diff options
Diffstat (limited to 'model/utilities/src')
28 files changed, 2669 insertions, 0 deletions
diff --git a/model/utilities/src/main/antlr4/org/onap/policy/apex/model/utilities/typeutils/ParametrizedType.g4 b/model/utilities/src/main/antlr4/org/onap/policy/apex/model/utilities/typeutils/ParametrizedType.g4 new file mode 100644 index 000000000..3a37d4043 --- /dev/null +++ b/model/utilities/src/main/antlr4/org/onap/policy/apex/model/utilities/typeutils/ParametrizedType.g4 @@ -0,0 +1,58 @@ +//------------------------------------------------------------------------------- +// ============LICENSE_START======================================================= +// Copyright (C) 2016-2018 Ericsson. All rights reserved. +// ================================================================================ +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// SPDX-License-Identifier: Apache-2.0 +// ============LICENSE_END========================================================= +//------------------------------------------------------------------------------- + +grammar ParametrizedType; + +//For more information see: +// http://stackoverflow.com/questions/39401083/class-forname-equivalent-for-creating-parameterizedtypes-from-string +// https://github.com/KetothXupack/stackoverflow-answers/tree/master/q39401083 + +@parser::header { + //For more information see: + // http://stackoverflow.com/questions/39401083/class-forname-equivalent-for-creating-parameterizedtypes-from-string + // https://github.com/KetothXupack/stackoverflow-answers/tree/master/q39401083 + + + //Note: Unused Imports + //Since this is generated code compile warnings are to be expected and cannot always be suppressed + //See https://github.com/antlr/antlr4/issues/1192 + import org.onap.policy.apex.model.utilities.typeutils.ClassBuilder; +} + +type returns[ClassBuilder value] + : cls=CLASS { $value = ClassBuilder.parse($cls.text); } + | cls=CLASS { $value = ClassBuilder.parse($cls.text); } + LT head=type { $value.add($head.value); } + (COMMA tail=type { $value.add($tail.value); })* GT + ; + +GT : '>' + ; + +LT : '<' + ; + +COMMA + : ',' + ; + +CLASS + : ('a'..'z'|'A'..'Z') ('a'..'z'|'A'..'Z'|'0'..'9'|'$'|'.'|'_')* + ; diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/Assertions.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/Assertions.java new file mode 100644 index 000000000..c215f3fee --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/Assertions.java @@ -0,0 +1,154 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +/** + * The Class Assertions is a template class that is used as a shorthand for assertions in the source code. + * + * @author Sajeevan Achuthan (sajeevan.achuthan@ericsson.com) + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public final class Assertions { + /** + * Private constructor used to prevent sub class instantiation. + */ + private Assertions() { + } + + /** + * Checks if a string parameter matches a regular expression. + * + * @param parameterName the string parameter name + * @param parameterValue the string parameter value + * @param pattern The regular expression + * @return the trimmed string + */ + public static String validateStringParameter(final String parameterName, final String parameterValue, final String pattern) { + argumentNotNull(parameterName, "parameter name is null"); + argumentNotNull(parameterValue, "parameter \"" + parameterName + "\" is null"); + argumentNotNull(pattern, "parameter pattern is null"); + + final String trimmedValue = parameterValue.trim(); + if (trimmedValue.matches(pattern)) { + return trimmedValue; + } + else { + throw new IllegalArgumentException( + "parameter \"" + parameterName + "\": value \"" + parameterValue + "\", does not match regular expression \"" + pattern + "\""); + } + } + + /** + * Used as a shorthand to check that method arguments are not null, throws IllegalArgumentException on error. + * + * @param <T> the generic type of the argument to check + * @param value the value of the type + * @param message the error message to issue + */ + public static <T> void argumentNotNull(final T value, final String message) { + if (value == null) { + throw new IllegalArgumentException(message); + } + } + + /** + * Used as a shorthand to check that method arguments are not false, throws IllegalArgumentException on error. + * + * @param value the value to check if false + * @param message the error message to issue + */ + public static void argumentNotFalse(final boolean value, final String message) { + if (!value) { + throw new IllegalArgumentException(message); + } + } + + /** + * Used as a shorthand to check that method arguments are not null, throws an exception of the specified type on error. + * + * @param <T> the generic type of the argument to check + * @param <E> the exception to throw if incoming value is null + * @param value the value of the type + * @param exceptionClass the class of exception to return an instance of + * @param message the error message to issue + * @throws E an instance of the passed Exception Class + */ + public static <T, E extends Exception> void argumentNotNull(final T value, final Class<E> exceptionClass, final String message) throws E { + if (value == null) { + // Instantiate the exception and throw it + try { + throw exceptionClass.getConstructor(String.class).newInstance(message); + } + catch (final Exception errorException) { + throw new IllegalArgumentException(message, errorException); + } + } + } + + /** + * Used as a shorthand to check that method argument is not false, throws an exception of the specified type on error. + * + * @param <E> the exception to throw if incoming value is false + * @param value the value to check if false + * @param exceptionClass the class of exception to return an instance of + * @param message the error message to issue + * @throws E an instance of the passed Exception Class + */ + public static <E extends Exception> void argumentNotFalse(final boolean value, final Class<E> exceptionClass, final String message) throws E { + if (!value) { + // Instantiate the exception and throw it + try { + throw exceptionClass.getConstructor(String.class).newInstance(message); + } + catch (final Exception errorException) { + throw new IllegalArgumentException(message, errorException); + } + } + } + + /** + * Used as a shorthand to check that an object is an instance of a given class, throws IllegalArgumentException on error. + * + * @param <T> the generic type of the argument to check + * @param objectInstance the object instance for which to check the class + * @param requiredClass the class that the object should be an instance of + * @throws IllegalArgumentException if the incoming object is not an instance of requiredClass + */ + public static <T> void instanceOf(final Object objectInstance, final Class<T> requiredClass) { + if (!requiredClass.isAssignableFrom(objectInstance.getClass())) { + throw new IllegalArgumentException(objectInstance.getClass().getCanonicalName() + " is not an instance of " + requiredClass.getCanonicalName()); + } + } + + /** + * Used as a shorthand to check that an instance of a class can be an instance of a given class, throws IllegalArgumentException on error. + * + * @param <T> the generic type of the argument to check + * @param checkClass the class to check + * @param requiredClass the class that the object should be an instance of + * @throws IllegalArgumentException if the incoming object is not an instance of requiredClass + */ + public static <T> void assignableFrom(final Class<?> checkClass, final Class<T> requiredClass) { + if (!requiredClass.isAssignableFrom(checkClass)) { + throw new IllegalArgumentException(checkClass.getCanonicalName() + " is not an instance of " + requiredClass.getCanonicalName()); + } + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/CollectionUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/CollectionUtils.java new file mode 100644 index 000000000..fb7207e0b --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/CollectionUtils.java @@ -0,0 +1,108 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import java.util.List; +import java.util.ListIterator; + +/** + * This is common utility class with static methods for handling collections. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public abstract class CollectionUtils { + /** + * Private constructor used to prevent sub class instantiation. + */ + private CollectionUtils() { + } + + /** + * Compare two lists, checks for equality, then for equality on members. + * + * @param <T> The type of the lists being compared + * @param leftList The leftmost List + * @param rightList The rightmost list + * @return an integer indicating how different the lists are + */ + public static <T> int compareLists(final List<? extends Comparable<T>> leftList, final List<? extends Comparable<T>> rightList) { + // Check for nulls + if (leftList == null && rightList == null) { + return 0; + } + if (leftList != null && rightList == null) { + return -1; + } + if (leftList == null) { + return 1; + } + + // Check for equality + if (leftList.equals(rightList)) { + return 0; + } + + return compareListEntries(leftList, rightList); + } + + /** + * Compare two lists for equality on members. + * + * @param <T> The type of the lists being compared + * @param leftList The leftmost List + * @param rightList The rightmost list + * @return an integer indicating how different the lists are + */ + private static <T> int compareListEntries(final List<? extends Comparable<T>> leftList, final List<? extends Comparable<T>> rightList) { + + // Iterate down the lists till we find a difference + final ListIterator<?> leftIterator = leftList.listIterator(); + final ListIterator<?> rightIterator = rightList.listIterator(); + + while (true) { + // Check the iterators + if (!leftIterator.hasNext() && !rightIterator.hasNext()) { + return 0; + } + if (leftIterator.hasNext() && !rightIterator.hasNext()) { + return -1; + } + if (!leftIterator.hasNext() && rightIterator.hasNext()) { + return 1; + } + + // Get the next objects + @SuppressWarnings("unchecked") + final T leftObject = (T) leftIterator.next(); + @SuppressWarnings("unchecked") + final T rightObject = (T) rightIterator.next(); + + // Compare the objects + @SuppressWarnings("unchecked") + final int comparisonResult = ((Comparable<T>) leftObject).compareTo(rightObject); + + // Check the comparison result + if (comparisonResult != 0) { + return comparisonResult; + } + } + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/DirectoryUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/DirectoryUtils.java new file mode 100644 index 000000000..00e5cb4cf --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/DirectoryUtils.java @@ -0,0 +1,138 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import java.io.File; + +import org.slf4j.ext.XLogger; +import org.slf4j.ext.XLoggerFactory; + +/** + * This is common utility class with static methods for handling directories. It is an abstract class to prevent any direct instantiation and private + * constructor to prevent extending this class. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public abstract class DirectoryUtils { + // Get a reference to the logger + private static final XLogger LOGGER = XLoggerFactory.getXLogger(DirectoryUtils.class); + + /** + * Private constructor used to prevent sub class instantiation. + */ + private DirectoryUtils() { + } + + /** + * Method to get an empty temporary directory in the system temporary directory on the local machine that will be deleted on (normal) shutdown. + * + * @param nameprefix The prefix of the filename. System.nanoTime() will be appended to the pattern to create a unique file pattern + * @return The temporary directory + */ + public static File getLocalTempDirectory(final String nameprefix) { + try { + // Get the name of the temporary directory + final String tempDirName = System.getProperty("java.io.tmpdir") + "/" + nameprefix + System.nanoTime(); + final File tempDir = new File(tempDirName); + + // Delete the directory if it already exists + if (tempDir.exists()) { + return null; + } + + // Make the directory + tempDir.mkdirs(); + + // Add a shutdown hook that deletes the directory contents when the JVM closes + Runtime.getRuntime().addShutdownHook(new DirectoryDeleteShutdownHook(tempDir)); + + LOGGER.trace("creating temp directory\"{}\" : ", tempDir.getAbsolutePath()); + return tempDir; + } + catch (final Exception e) { + LOGGER.debug("error creating temp directory\"{}\" : " + e.getMessage(), e); + return null; + } + } + + /** + * Method to recursively delete all the files in a directory. + * + * @param tempDir the directory to empty + * @return true if the operation succeeds, false otherwise + */ + public static boolean emptyDirectory(final File tempDir) { + // Sanity check + if (!tempDir.exists() || !tempDir.isDirectory()) { + return false; + } + + // Walk the directory structure deleting files as we go + final File[] files = tempDir.listFiles(); + if (files != null) { + for (final File directoryFile : files) { + // Check if this is a directory itself + if (directoryFile.isDirectory()) { + // Recurse into the sub directory and empty it + emptyDirectory(directoryFile); + } + + // Delete the directory entry + directoryFile.delete(); + } + } + + return true; + } +} + +/** + * The Class DirectoryShutdownHook removes the contents of a directory and the directory itself at shutdown. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +final class DirectoryDeleteShutdownHook extends Thread { + // The directory we are acting on + private final File tempDir; + + /** + * Constructor that defines the directory to act on at shutdown. + * + * @param tempDir The temporary directory to delete + */ + DirectoryDeleteShutdownHook(final File tempDir) { + this.tempDir = tempDir; + } + + /* + * (non-Javadoc) + * + * @see java.lang.Runnable#run() + */ + @Override + public void run() { + if (tempDir.exists()) { + // Empty and delete the directory + DirectoryUtils.emptyDirectory(tempDir); + tempDir.delete(); + } + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/PropertyUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/PropertyUtils.java new file mode 100644 index 000000000..72f85638b --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/PropertyUtils.java @@ -0,0 +1,78 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import java.util.Map.Entry; + +/** + * Convenience methods for handling Java properties class instances. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public abstract class PropertyUtils { + /** + * Private constructor used to prevent sub class instantiation. + */ + private PropertyUtils() { + } + + /** + * Return all properties as a string. + * + * @return a string containing all the property values + */ + public static String getAllProperties() { + final StringBuilder builder = new StringBuilder(); + + for (final Entry<Object, Object> property : System.getProperties().entrySet()) { + builder.append(property.getKey().toString()); + builder.append('='); + builder.append(property.getValue().toString()); + builder.append('\n'); + } + + return builder.toString(); + } + + /** + * Checks if a property is set. If the property is set with no value or with a value of "true", this method returns true. It returns "false" if the property + * is not set or is set to false + * + * @param propertyName The property to check + * @return true if the property is set to true, false otherwise + */ + public static boolean propertySetOrTrue(final String propertyName) { + if (propertyName == null) { + return false; + } + + final String propertyValue = System.getProperty(propertyName); + if (propertyValue == null) { + return false; + } + + if (propertyValue.trim().length() == 0) { + return true; + } + + return new Boolean(propertyValue); + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/ResourceUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/ResourceUtils.java new file mode 100644 index 000000000..588748dda --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/ResourceUtils.java @@ -0,0 +1,226 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; + +import org.slf4j.ext.XLogger; +import org.slf4j.ext.XLoggerFactory; + +/** + * This is common utility class with static methods for handling Java resources on the class path. It is an abstract class to prevent any direct instantiation + * and private constructor to prevent extending this class. + * + * @author Sajeevan Achuthan (sajeevan.achuthan@ericsson.com) + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public abstract class ResourceUtils { + // Get a reference to the logger + private static final XLogger LOGGER = XLoggerFactory.getXLogger(ResourceUtils.class); + + // The length of byte buffers used to read resources into strings + private static final int BYTE_BUFFER_LENGH = 1024; + + /** + * Private constructor used to prevent sub class instantiation. + */ + private ResourceUtils() { + } + + /** + * Method to resolve a resource; the local file system is checked first and then the class path is checked. + * + * @param resourceName The resource name + * @return A URL to a resource + */ + public static URL getURL4Resource(final String resourceName) { + // Check the local fine system first + final URL urlToResource = getLocalFile(resourceName); + + // Check if this is a local file + if (urlToResource != null) { + return urlToResource; + } + else { + // Resort to the class path + return getURLResource(resourceName); + } + } + + /** + * Method to return a resource as a string. The resource can be on the local file system or in the class path. The resource is resolved and loaded into a + * string. + * + * @param resourceName The resource name + * @return A string containing the resource + */ + public static String getResourceAsString(final String resourceName) { + // Get the resource as a stream, we'll convert it to a string then + final InputStream resourceStream = getResourceAsStream(resourceName); + if (resourceStream == null) { + return null; + } + + // Read the stream contents in to an output stream + final ByteArrayOutputStream resourceOutputStreamBuffer = new ByteArrayOutputStream(); + final byte[] resourceBuffer = new byte[BYTE_BUFFER_LENGH]; + int length; + try { + while ((length = resourceStream.read(resourceBuffer)) != -1) { + resourceOutputStreamBuffer.write(resourceBuffer, 0, length); + } + } + catch (final IOException e) { + LOGGER.debug("error reading resource stream \"{}\" : " + e.getMessage(), resourceName, e); + return null; + } + + return resourceOutputStreamBuffer.toString(); + } + + /** + * Method to return a resource as a stream. The resource can be on the local file system or in the class path. The resource is resolved and returned as a + * stream. + * + * @param resourceName The resource name + * @return A stream attached to the resource + */ + public static InputStream getResourceAsStream(final String resourceName) { + // Find a URL to the resource first + final URL urlToResource = getURL4Resource(resourceName); + + // Check if the resource exists + if (urlToResource == null) { + // No resource found + LOGGER.debug("cound not find resource \"{}\" : ", resourceName); + return null; + } + + // Read the resource into a string + try { + return urlToResource.openStream(); + } + catch (final IOException e) { + // Any of many IO exceptions such as the resource is a directory + LOGGER.debug("error attaching resource \"{}\" to stream : " + e.getMessage(), resourceName, e); + return null; + } + } + + /** + * Method to get a URL resource from the class path. + * + * @param resourceName The resource name + * @return The URL to the resource + */ + public static URL getURLResource(final String resourceName) { + try { + final ClassLoader classLoader = ResourceUtils.class.getClassLoader(); + + final String[] fileParts = resourceName.split("/"); + // Read the resource + URL url = classLoader.getResource(resourceName); + + // Check if the resource is defined + if (url != null) { + // Return the resource as a file name + LOGGER.debug("found URL resource \"{}\" : ", url); + return url; + } + else { + url = classLoader.getResource(fileParts[fileParts.length - 1]); + if (url == null) { + LOGGER.debug("cound not find URL resource \"{}\" : ", resourceName); + return null; + } + LOGGER.debug("found URL resource \"{}\" : ", url); + return url; + } + } + catch (final Exception e) { + LOGGER.debug("error getting URL resource \"{}\" : " + e.getMessage(), e); + return null; + } + } + + /** + * Method to get a URL resource from the local machine. + * + * @param resourceName The resource name + * @return The URL to the resource + */ + public static URL getLocalFile(final String resourceName) { + try { + // Input might already be in URL format + final URL ret = new URL(resourceName); + final File f = new File(ret.toURI()); + if (f.exists()) { + return ret; + } + } + catch (final Exception ignore) { + // We ignore exceptions here and catch them below + } + + try { + final File f = new File(resourceName); + // Check if the file exists + if (f.exists()) { + final URL urlret = f.toURI().toURL(); + LOGGER.debug("resource \"{}\" was found on the local file system", f.toURI().toURL()); + return urlret; + } + else { + LOGGER.debug("resource \"{}\" does not exist on the local file system", resourceName); + return null; + } + } + catch (final Exception e) { + LOGGER.debug("error finding resource \"{}\" : " + e.getMessage(), e); + return null; + } + } + + /** + * Gets the file path for a resource on the local file system or on the class path. + * + * @param resource the resource to the get the file path for + * @return the resource file path + */ + public static String getFilePath4Resource(final String resource) { + if (resource == null) { + return null; + } + + URL modelFileURL = getURL4Resource(resource); + if (modelFileURL != null) { + return modelFileURL.getPath(); + } + else { + return resource; + } + } + +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TextFileUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TextFileUtils.java new file mode 100644 index 000000000..d05245f23 --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TextFileUtils.java @@ -0,0 +1,117 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; + +/** + * The Class TextFileUtils is class that provides useful functions for handling text files. Functions to read and wrtie text files to strings and strings are + * provided. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public abstract class TextFileUtils { + private static final int READER_CHAR_BUFFER_SIZE_4096 = 4096; + + private TextFileUtils() { + // This class cannot be initialized + } + + /** + * Method to return the contents of a text file as a string. + * + * @param textFilePath The path to the file as a string + * @return A string containing the contents of the file + * @throws IOException on errors reading text from the file + */ + public static String getTextFileAsString(final String textFilePath) throws IOException { + final File textFile = new File(textFilePath); + final FileInputStream textFileInputStream = new FileInputStream(textFile); + final byte[] textData = new byte[(int) textFile.length()]; + textFileInputStream.read(textData); + textFileInputStream.close(); + return new String(textData); + } + + /** + * Method to write contents of a string to a text file. + * + * @param outString The string to write + * @param textFilePath The path to the file as a string + * @throws IOException on errors reading text from the file + */ + public static void putStringAsTextFile(final String outString, final String textFilePath) throws IOException { + final File textFile = new File(textFilePath); + putStringAsFile(outString, textFile); + } + + /** + * Method to write contents of a string to a text file. + * + * @param outString The string to write + * @param textFile The file to write the string to + * @throws IOException on errors reading text from the file + */ + public static void putStringAsFile(final String outString, final File textFile) throws IOException { + final FileOutputStream textFileOutputStream = new FileOutputStream(textFile); + textFileOutputStream.write(outString.getBytes()); + textFileOutputStream.close(); + } + + /** + * Method to return the contents of a text steam as a string. + * + * @param textStream The stream + * @return A string containing the output of the stream as text + * @throws IOException on errors reading text from the file + */ + public static String getStreamAsString(final InputStream textStream) throws IOException { + return getReaderAsString(new BufferedReader(new InputStreamReader(textStream))); + } + + /** + * Method to return the contents of a reader steam as a string. This closes the reader after use + * + * @param textReader The reader + * @return A string containing the output of the reader as text + * @throws IOException on errors reading text from the file + */ + public static String getReaderAsString(final BufferedReader textReader) throws IOException { + + final StringBuilder builder = new StringBuilder(); + int charsRead = -1; + final char[] chars = new char[READER_CHAR_BUFFER_SIZE_4096]; + do { + charsRead = textReader.read(chars, 0, chars.length); + if (charsRead > 0) { + builder.append(chars, 0, charsRead); + } + } + while (charsRead > 0); + return builder.toString(); + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TreeMapUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TreeMapUtils.java new file mode 100644 index 000000000..02ab0dd24 --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TreeMapUtils.java @@ -0,0 +1,80 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import java.util.AbstractMap.SimpleEntry; +import java.util.ArrayList; +import java.util.List; +import java.util.Map.Entry; +import java.util.TreeMap; + +/** + * This class provides utility functions for tree maps. A function to find the nearest match in the tree map to an input string is provided. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public abstract class TreeMapUtils { + + /** + * This class is a utility class that can't be instantiated. + */ + private TreeMapUtils() { + } + + /** + * Find the list of entries that matches a given word, for example "p" will match "put", "policy", and "push". + * + * @param <T> the generic type for the value of the tree map + * @param searchMap the map that the method operates on + * @param word the word to search for + * @return the list of entries in the {@code searchMap} that match the {@code word} + */ + public static <T> List<Entry<String, T>> findMatchingEntries(final TreeMap<String, T> searchMap, final String word) { + final List<Entry<String, T>> foundNodes = new ArrayList<>(); + + // A straight match check + if (searchMap.containsKey(word)) { + foundNodes.add(new SimpleEntry<>(word, searchMap.get(word))); + return foundNodes; + } + + // Set up the beginning point for our search for a list of near matches + String foundKeyword = searchMap.floorKey(word); + if (foundKeyword == null) { + foundKeyword = searchMap.firstKey(); + } + else { + foundKeyword = searchMap.higherKey(foundKeyword); + } + + // Find all the nodes that start with the word we are searching for + while (foundKeyword != null) { + if (foundKeyword.startsWith(word)) { + foundNodes.add(new SimpleEntry<>(foundKeyword, searchMap.get(foundKeyword))); + foundKeyword = searchMap.higherKey(foundKeyword); + } + else { + break; + } + } + return foundNodes; + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyComparer.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyComparer.java new file mode 100644 index 000000000..8903ea803 --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyComparer.java @@ -0,0 +1,42 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.comparison; + +/** + * This class compares two keys and returns their differences. It is used in bulk comparisons in models where maps of keys are being compared. The + * {@link KeyComparer} that is returned does the actual comparison + * + * @author Liam Fallon (liam.fallon@ericsson.com) + * @param <K> the type of key being compared + */ +public class KeyComparer<K> { + + /** + * Compare two keys and return their differences. + * + * @param leftKey The left key of the comparison + * @param rightKey The right key of the comparison + * @return The difference between the keys + */ + public KeyDifference<K> compareKeys(final K leftKey, final K rightKey) { + return new KeyDifference<>(leftKey, rightKey); + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyDifference.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyDifference.java new file mode 100644 index 000000000..43c44aefe --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyDifference.java @@ -0,0 +1,100 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.comparison; + +/** + * This class is used to template key differences for bulk key comparisons in models. It performs a difference check between two keys. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + * @param <K> the generic type + */ +public class KeyDifference<K> { + // The keys being compared + private K leftKey; + private K rightKey; + + /** + * Constructor used to set the keys being compared. + * + * @param leftKey the left key that is being compared + * @param rightKey the right key that is being compared + */ + public KeyDifference(final K leftKey, final K rightKey) { + this.leftKey = leftKey; + this.rightKey = rightKey; + } + + /** + * Gets the left key. + * + * @return the left key + */ + public K getLeftKey() { + return leftKey; + } + + /** + * Gets the right key. + * + * @return the right key + */ + public K getRightKey() { + return rightKey; + } + + /** + * Checks if the left and right keys are equal. + * + * @return true, if checks if is equal + */ + public boolean isEqual() { + return leftKey.equals(rightKey); + } + + /** + * Gets a string representation of the difference between the keys. + * + * @param diffsOnly if set, then a blank string is returned if the keys are equal + * @return the difference between the keys as a string + */ + public String asString(final boolean diffsOnly) { + StringBuilder builder = new StringBuilder(); + + if (leftKey.equals(rightKey)) { + if (!diffsOnly) { + builder.append("left key "); + builder.append(leftKey); + builder.append(" equals right key "); + builder.append(rightKey); + builder.append('\n'); + } + } + else { + builder.append("left key "); + builder.append(leftKey); + builder.append(" and right key "); + builder.append(rightKey); + builder.append(" differ\n"); + } + + return builder.toString(); + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyedMapComparer.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyedMapComparer.java new file mode 100644 index 000000000..b11f77a0f --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyedMapComparer.java @@ -0,0 +1,95 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.comparison; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.TreeSet; + +/** + * Compare two maps and returns their differences. The types of the keys and the values in the two maps being comapred must be the same. The class returns + * entries that are only in the left map, only in the right map, entries that have identical keys and different values and entries that have different keys and + * different values in a {@link KeyedMapDifference} instance. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + * @param <K> the type of the keys in the maps being compared + * @param <V> the type of the values in the maps being compared + */ +public class KeyedMapComparer<K, V> { + /** + * Compare two maps and return their differences in a {@link KeyedMapDifference} instance. + * + * @param leftMap The left map to be compared + * @param rightMap The right map to be compared + * @return The common, left only, and right only maps in a {@link KeyedMapDifference} instance + */ + public KeyedMapDifference<K, V> compareMaps(final Map<K, V> leftMap, final Map<K, V> rightMap) { + KeyedMapDifference<K, V> result = new KeyedMapDifference<>(); + + // Get the keys that are only in the left map + Set<K> leftOnlyKeys = new TreeSet<>(leftMap.keySet()); + leftOnlyKeys.removeAll(rightMap.keySet()); + + // Get the keys that are only in the right map + Set<K> rightOnlyKeys = new TreeSet<>(rightMap.keySet()); + rightOnlyKeys.removeAll(leftMap.keySet()); + + // Find the keys common across both maps + Set<K> commonKeys = new TreeSet<>(rightMap.keySet()); + commonKeys.addAll(leftMap.keySet()); + commonKeys.removeAll(leftOnlyKeys); + commonKeys.removeAll(rightOnlyKeys); + + // Now save the left values + for (K key : leftOnlyKeys) { + result.getLeftOnly().put(key, leftMap.get(key)); + } + + // Now save the right values + for (K key : rightOnlyKeys) { + result.getRightOnly().put(key, rightMap.get(key)); + } + + // Save the common values to two maps, an identical and different map + for (K key : commonKeys) { + // Check if the values are identical in each map + V leftValue = leftMap.get(key); + V rightValue = rightMap.get(key); + + // Store as appropriate + if (leftValue.equals(rightValue)) { + result.getIdenticalValues().put(key, leftValue); + } + else { + // Store the two values + List<V> valueList = new ArrayList<>(); + valueList.add(leftValue); + valueList.add(rightValue); + + result.getDifferentValues().put(key, valueList); + } + } + + return result; + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyedMapDifference.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyedMapDifference.java new file mode 100644 index 000000000..0f9d6ca50 --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/KeyedMapDifference.java @@ -0,0 +1,206 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.comparison; + +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.TreeMap; + +/** + * This class holds the result of a difference check between two keyed maps. Four results are returned in the class. The {@code leftOnly} result is the entries + * that appear only in the left map. the {@code rightOnly} result is the entries that appear only in the right map. The {@code differentValues} result are the + * entries that have the same key but different values in the maps being compared. The {@code identicalValues} result are the entries with identical keys and + * values in both maps being compared. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + * @param <K> the generic type + * @param <V> the generic type + */ +public class KeyedMapDifference<K, V> { + private static final String KEY = "key="; + private static final String VALUE = ",value="; + + // Three maps to hold the comparison result + private Map<K, V> leftOnly = new TreeMap<>(); + private Map<K, V> rightOnly = new TreeMap<>(); + private Map<K, V> identicalValues = new TreeMap<>(); + private Map<K, List<V>> differentValues = new TreeMap<>(); + + /** + * Gets the entries that were found only in the left map. + * + * @return the entries only in the left map + */ + public Map<K, V> getLeftOnly() { + return leftOnly; + } + + /** + * Gets the entries that were found only in the right map. + * + * @return the entries only in the right map + */ + public Map<K, V> getRightOnly() { + return rightOnly; + } + + /** + * Gets the entries that were identical (keys and values the same) in both maps. + * + * @return the identical entries + */ + public Map<K, V> getIdenticalValues() { + return identicalValues; + } + + /** + * Gets the entries that had the same key but different values in both maps. + * + * @return the entries that were different. There are two values in the list of values for each entry. The first value is the value that was in the left map + * and the second value is the value that was in the right map. + */ + public Map<K, List<V>> getDifferentValues() { + return differentValues; + } + + /** + * Return a string representation of the differences. + * + * @param diffsOnly if set, then a blank string is returned if the maps are equal + * @param keysOnly if set, then a terse string that prints only the keys is returned, otherwise both keys and values are printed + * @return the string + */ + public String asString(final boolean diffsOnly, final boolean keysOnly) { + StringBuilder builder = new StringBuilder(); + + if (leftOnly.isEmpty()) { + if (!diffsOnly) { + builder.append("*** all left keys in right\n"); + } + } + else { + builder.append(getInOneSideOnlyAsString(leftOnly, "left", keysOnly)); + } + + if (leftOnly.isEmpty()) { + if (!diffsOnly) { + builder.append("*** all right keys in left\n"); + } + } + else { + builder.append(getInOneSideOnlyAsString(rightOnly, "right", keysOnly)); + } + + if (differentValues.isEmpty()) { + if (!diffsOnly) { + builder.append("*** all values in left and right are identical\n"); + } + } + else { + builder.append(getDifferencesAsString(keysOnly)); + } + + if (!diffsOnly) { + builder.append(getIdenticalsAsString(keysOnly)); + } + + return builder.toString(); + } + + /** + * Output the entries in a map with entries that are in one side only as a string + * @param sideMap the map for the side being checked + * @param sideMapString the string that represents the map in output strings + * @param keysOnly if true, just add key information and not entries + * @return the entries as a string + */ + private Object getInOneSideOnlyAsString(final Map<K, V> sideMap, final String sideMapString, final boolean keysOnly) { + StringBuilder builder = new StringBuilder(); + + builder.append("*** list of keys on " + sideMapString + " only\n"); + for (Entry<K, V> leftEntry : sideMap.entrySet()) { + builder.append(KEY); + builder.append(leftEntry.getKey()); + if (!keysOnly) { + builder.append(VALUE); + builder.append(leftEntry.getValue()); + } + builder.append('\n'); + } + + return builder.toString(); + } + + /** + * Output the differences between two the maps as a string + * @param keysOnly if true, just add key information and not entries + * @return the differences as a string + */ + private String getDifferencesAsString(final boolean keysOnly) { + StringBuilder builder = new StringBuilder(); + + builder.append("*** list of differing entries between left and right\n"); + for (Entry<K, List<V>> differentEntry : differentValues.entrySet()) { + builder.append(KEY); + builder.append(differentEntry.getKey()); + if (!keysOnly) { + builder.append(",values={"); + boolean first = true; + for (V differentEntryValue : differentEntry.getValue()) { + builder.append(differentEntryValue); + if (first) { + first = false; + } + else { + builder.append(','); + } + } + builder.append("}"); + } + builder.append('\n'); + } + + return builder.toString(); + } + + /** + * Output the identical entries in the maps as a string + * @param keysOnly if true, just add key information and not entries + * @return the identical entries as a string + */ + private String getIdenticalsAsString(final boolean keysOnly) { + StringBuilder builder = new StringBuilder(); + + builder.append("*** list of identical entries in left and right\n"); + for (Entry<K, V> identicalEntry : identicalValues.entrySet()) { + builder.append(KEY); + builder.append(identicalEntry.getKey()); + if (!keysOnly) { + builder.append(VALUE); + builder.append(identicalEntry.getValue()); + } + builder.append('\n'); + } + + return builder.toString(); + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/package-info.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/package-info.java new file mode 100644 index 000000000..f0488eacd --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/comparison/package-info.java @@ -0,0 +1,26 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +/** + * Provides utility template classes that compare keys and maps of any type. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +package org.onap.policy.apex.model.utilities.comparison; diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/package-info.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/package-info.java new file mode 100644 index 000000000..446d009ba --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/package-info.java @@ -0,0 +1,26 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +/** + * Provides utility classes that are used in APEX models and indeed in other packages that use APEX models. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +package org.onap.policy.apex.model.utilities; diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/ClassBuilder.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/ClassBuilder.java new file mode 100644 index 000000000..e806bd7a0 --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/ClassBuilder.java @@ -0,0 +1,99 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.typeutils; + +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.List; + +//CHECKSTYLE:OFF: checkstyle:IllegalImport +import sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl; +//CHECKSTYLE:ON: checkstyle:IllegalImport + +/** + * This class is a utility class that builds a class with a set of user defined fields. It is used to get the Type of fields in Java schemas<br> + * For more information see:<br> + * <a href="http://stackoverflow.com/questions/39401083/class-forname-equivalent-for-creating-parameterizedtypes-from-string"> + * http://stackoverflow.com/questions/39401083/class-forname-equivalent-for-creating-parameterizedtypes-from-string</a><br> + * <a href="https://github.com/KetothXupack/stackoverflow-answers/tree/master/q39401083"> + * https://github.com/KetothXupack/stackoverflow-answers/tree/master/q39401083</a><br> + */ +@SuppressWarnings("restriction") +public class ClassBuilder { + private final Class<?> clazz; + private final List<ClassBuilder> parameters = new ArrayList<>(); + + /** + * Constructor that sets the class for the class builder. + * + * @param clazz the class of the class builder + */ + public ClassBuilder(final Class<?> clazz) { + this.clazz = clazz; + } + + /** + * Creates a {@link ClassBuilder} instance for a class with the given class name. + * + * @param className the class name of the class builder to create + * @return the class builder that is created + */ + public static ClassBuilder parse(final String className) { + try { + return new ClassBuilder(Class.forName(className)); + } + catch (ClassNotFoundException e) { + try { + return new ClassBuilder(Class.forName("java.lang." + className)); + } + catch (Exception ignore) { + throw new IllegalArgumentException("Class '" + className + "' not found. Also looked for a class called 'java.lang." + className + "'", e); + } + } + } + + /** + * Adds a field to the class builder. Each field is itself a class builder. + * + * @param fieldBuilder the class builder for the field + */ + public void add(final ClassBuilder fieldBuilder) { + parameters.add(fieldBuilder); + } + + /** + * Builds the {@link Type} of the class. + * + * @return the {@link Type} of the class + */ + public Type build() { + // class is not parameterized + if (parameters.isEmpty()) { + return clazz; + } + Type[] paramtypes = new Type[parameters.size()]; + int i = 0; + for (ClassBuilder classBuilder : parameters) { + paramtypes[i++] = classBuilder.build(); + } + return ParameterizedTypeImpl.make(clazz, paramtypes, null); + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/TypeBuilder.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/TypeBuilder.java new file mode 100644 index 000000000..a3f22a446 --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/TypeBuilder.java @@ -0,0 +1,114 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.typeutils; + +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; + +import org.antlr.v4.runtime.ANTLRInputStream; +import org.antlr.v4.runtime.BailErrorStrategy; +import org.antlr.v4.runtime.CharStream; +import org.antlr.v4.runtime.CommonTokenStream; +import org.antlr.v4.runtime.TokenStream; + +/** + * This class . + */ +public final class TypeBuilder { + /** + * Private constructor used to prevent sub class instantiation. + */ + private TypeBuilder() { + } + + /** + * Builds the Type of the Type string that was input. + * + * @param type the java Type as a string + * @return the Type of the string that was input + */ + public static Type build(final String type) { + if (type == null || type.length() == 0) { + throw new IllegalArgumentException("Blank type string passed to " + TypeBuilder.class.getCanonicalName() + ".build(String type)"); + } + + try { + final CharStream stream = new ANTLRInputStream(type); + final TokenStream tokenStream = new CommonTokenStream(new ParametrizedTypeLexer(stream)); + + final ParametrizedTypeParser parser = new ParametrizedTypeParser(tokenStream); + parser.removeErrorListeners(); + parser.setErrorHandler(new BailErrorStrategy()); + parser.setBuildParseTree(true); + return parser.type().value.build(); + } + catch (final Exception e) { + throw new IllegalArgumentException("Failed to build type '" + type + "': " + e, e); + } + } + + /** + * Gets the class of Java Type. + * + * @param type the java Type as a string + * @return the java Type + */ + public static Class<?> getJavaTypeClass(final String type) { + return getJavaTypeClass(build(type)); + } + + /** + * Gets the class of Java Type. + * + * @param type the java Type as a Type + * @return the java Type + */ + public static Class<?> getJavaTypeClass(final Type type) { + if (type instanceof Class<?>) { + return (Class<?>) type; + } + else if (type instanceof ParameterizedType) { + final Type raw = ((ParameterizedType) type).getRawType(); + if (!(raw instanceof Class<?>)) { + throw new IllegalArgumentException( + "The Parameterised javatype " + type + " with base type " + raw + " is not a Java 'Class' that can be instantiated"); + } + return (Class<?>) raw; + } + throw new IllegalArgumentException("The Parameterised javatype " + type + " is not a Java 'Type' that has a 'Class'"); + } + + /** + * Gets the parameters of a Java Type. + * + * @param type the Java Type + * @return the parameters of the java Type + */ + public static Type[] getJavaTypeParameters(final Type type) { + if (type instanceof Class<?>) { + return new Type[0]; + } + else if (type instanceof ParameterizedType) { + return ((ParameterizedType) type).getActualTypeArguments(); + } + throw new IllegalArgumentException("\"The Parameterised javatype \" + type + \" is not a Java 'Type' that has parameter types"); + } +} diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/package-info.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/package-info.java new file mode 100644 index 000000000..ed4b079bf --- /dev/null +++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/typeutils/package-info.java @@ -0,0 +1,26 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +/** + * Provides utility classes that operate on and work with Java Types. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +package org.onap.policy.apex.model.utilities.typeutils; diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/AssertionsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/AssertionsTest.java new file mode 100644 index 000000000..db25147c3 --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/AssertionsTest.java @@ -0,0 +1,99 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.Assertions; + +/** + * The Class ResourceUtilsTest. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class AssertionsTest { + @Test + public void testAssertions() { + Assertions.argumentNotFalse(true, "it is true"); + + try { + Assertions.argumentNotFalse(false, "it is false"); + } + catch (IllegalArgumentException e) { + assertEquals("it is false", e.getMessage()); + } + + Assertions.argumentNotFalse(true, ArithmeticException.class, "it is true"); + + try { + Assertions.argumentNotFalse(false, ArithmeticException.class, "it is false"); + } + catch (Exception e) { + assertEquals("it is false", e.getMessage()); + } + + Assertions.argumentNotNull("Hello", "it is OK"); + + try { + Assertions.argumentNotNull(null, "it is null"); + } + catch (IllegalArgumentException e) { + assertEquals("it is null", e.getMessage()); + } + + Assertions.argumentNotNull(true, ArithmeticException.class, "it is OK"); + + try { + Assertions.argumentNotNull(null, ArithmeticException.class, "it is null"); + } + catch (Exception e) { + assertEquals("it is null", e.getMessage()); + } + + Assertions.assignableFrom(java.util.TreeMap.class, java.util.Map.class); + + try { + Assertions.assignableFrom(java.util.Map.class, java.util.TreeMap.class); + } + catch (IllegalArgumentException e) { + assertEquals("java.util.Map is not an instance of java.util.TreeMap", e.getMessage()); + } + + Assertions.instanceOf("Hello", String.class); + + try { + Assertions.instanceOf(100, String.class); + } + catch (IllegalArgumentException e) { + assertEquals("java.lang.Integer is not an instance of java.lang.String", e.getMessage()); + } + + Assertions.validateStringParameter("name", "MyName", "^M.*e$"); + + try { + Assertions.validateStringParameter("name", "MyName", "^M.*f$"); + } + catch (IllegalArgumentException e) { + assertEquals("parameter \"name\": value \"MyName\", does not match regular expression \"^M.*f$\"", e.getMessage()); + } + } +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/CollectionUtilitiesTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/CollectionUtilitiesTest.java new file mode 100644 index 000000000..4682d985d --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/CollectionUtilitiesTest.java @@ -0,0 +1,91 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import static org.junit.Assert.*; + +import java.util.ArrayList; +import java.util.List; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.CollectionUtils; + +/** + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class CollectionUtilitiesTest { + + @Test + public void testNullLists() { + List<String> leftList = new ArrayList<String>(); + List<String> rightList = new ArrayList<String>(); + + int result = 0; + + result = CollectionUtils.compareLists(null, null); + assertEquals(0, result); + + result = CollectionUtils.compareLists(leftList, null); + assertEquals(-1, result); + + result = CollectionUtils.compareLists(null, rightList); + assertEquals(1, result); + + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(0, result); + + leftList.add("AAA"); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(-1, result); + + rightList.add("AAA"); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(0, result); + + rightList.add("BBB"); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(1, result); + + leftList.add("BBB"); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(0, result); + + leftList.add("CCA"); + rightList.add("CCB"); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(-1, result); + + leftList.remove(leftList.size() -1); + rightList.remove(rightList.size() -1); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(0, result); + + leftList.add("CCB"); + rightList.add("CCA"); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(1, result); + + leftList.remove(leftList.size() -1); + rightList.remove(rightList.size() -1); + result = CollectionUtils.compareLists(leftList, rightList); + assertEquals(0, result); + } +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/DirectoryUtilsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/DirectoryUtilsTest.java new file mode 100644 index 000000000..84e9733f3 --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/DirectoryUtilsTest.java @@ -0,0 +1,56 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import java.io.File; +import java.io.IOException; +import java.nio.file.Files; +import java.util.Arrays; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.DirectoryUtils; +import org.onap.policy.apex.model.utilities.TextFileUtils; + +/** + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class DirectoryUtilsTest { + + @Test + public void test() throws IOException { + DirectoryUtils.emptyDirectory(new File("/i/dont/exist")); + + File tempDir = Files.createTempDirectory("test").toFile(); + + Files.createTempDirectory(tempDir.toPath(), "testsubprefix"); + + TextFileUtils.putStringAsTextFile("Temp File 0 contents", tempDir.getAbsolutePath() + "/tempFile0.tmp"); + TextFileUtils.putStringAsTextFile("Temp File 1 contents", tempDir.getAbsolutePath() + "/tempFile1.tmp"); + + DirectoryUtils.emptyDirectory(tempDir); + + DirectoryUtils.getLocalTempDirectory(null); + + byte[] byteArray = new byte[] {0, 0, 0}; + DirectoryUtils.getLocalTempDirectory(Arrays.toString(byteArray)); + } + +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/PropertyUtilsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/PropertyUtilsTest.java new file mode 100644 index 000000000..e25e3ffaa --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/PropertyUtilsTest.java @@ -0,0 +1,48 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.PropertyUtils; + +/** + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class PropertyUtilsTest { + + @Test + public void test() { + System.setProperty("boolean.true", "true"); + System.setProperty("boolean.false", "false"); + System.setProperty("boolean.blank", " "); + + assertNotNull(PropertyUtils.getAllProperties()); + + assertEquals(false, PropertyUtils.propertySetOrTrue(null)); + assertEquals(false, PropertyUtils.propertySetOrTrue("ZOOBY")); + assertEquals(true, PropertyUtils.propertySetOrTrue("boolean.true")); + assertEquals(true, PropertyUtils.propertySetOrTrue("boolean.blank")); + assertEquals(false, PropertyUtils.propertySetOrTrue("boolean.false")); + } +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/ResourceUtilsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/ResourceUtilsTest.java new file mode 100644 index 000000000..9f789065e --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/ResourceUtilsTest.java @@ -0,0 +1,308 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertTrue; + +import java.io.File; +import java.io.FileWriter; +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; + +import org.junit.After; +import org.junit.Before; +import org.junit.Test; +import org.onap.policy.apex.model.utilities.ResourceUtils; + +/** + * The Class ResourceUtilsTest. + * + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class ResourceUtilsTest { + private File tmpDir = null; + private File tmpEmptyFile = null; + private File tmpUsedFile = null; + + private String jarDirResource = null; + private String jarFileResource = null; + + private final String pathDirResource = "testdir"; + private final String pathFileResource = "testdir/testfile.xml"; + + private final String nonExistantResource = "somewhere/over/the/rainbow"; + private final String invalidResource = "@%%%\\\\_:::DESD"; + + /** + * Setup resource utils test. + * + * @throws IOException Signals that an I/O exception has occurred. + */ + @Before + public void setupResourceUtilsTest() throws IOException { + tmpDir = new File(System.getProperty("java.io.tmpdir")); + tmpEmptyFile = File.createTempFile(this.getClass().getName(), ".tmp"); + tmpUsedFile = File.createTempFile(this.getClass().getName(), ".tmp"); + + jarDirResource = "META-INF"; + jarFileResource = "META-INF/MANIFEST.MF"; + + final FileWriter fileWriter = new FileWriter(tmpUsedFile); + fileWriter.write("Bluebirds fly over the rainbow"); + fileWriter.close(); + } + + /** + * Test get url resource. + */ + @Test + public void testGetURLResource() { + URL theURL = ResourceUtils.getURLResource(tmpDir.getAbsolutePath()); + assertNull(theURL); + + theURL = ResourceUtils.getURLResource(tmpEmptyFile.getAbsolutePath()); + assertNull(theURL); + + theURL = ResourceUtils.getURLResource(tmpUsedFile.getAbsolutePath()); + assertNull(theURL); + + theURL = ResourceUtils.getURLResource(jarDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURLResource(jarFileResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURLResource(pathDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURLResource(pathFileResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURLResource("file:///" + pathDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile("src/test/resources/" + pathDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile("src/test/resources/" + pathFileResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURLResource(nonExistantResource); + assertNull(theURL); + + theURL = ResourceUtils.getURLResource(invalidResource); + assertNull(theURL); + + theURL = ResourceUtils.getURLResource(null); + assertNull(theURL); + } + + /** + * Test get local file. + */ + @Test + public void testGetLocalFile() { + URL theURL = ResourceUtils.getLocalFile(tmpDir.getAbsolutePath()); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile(tmpEmptyFile.getAbsolutePath()); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile(tmpUsedFile.getAbsolutePath()); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile(jarDirResource); + assertNull(theURL); + + theURL = ResourceUtils.getLocalFile(jarFileResource); + assertNull(theURL); + + theURL = ResourceUtils.getLocalFile(pathDirResource); + assertNull(theURL); + + theURL = ResourceUtils.getLocalFile(pathFileResource); + assertNull(theURL); + + theURL = ResourceUtils.getLocalFile("src/test/resources/" + pathDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile("src/test/resources/" + pathFileResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile(nonExistantResource); + assertNull(theURL); + + theURL = ResourceUtils.getLocalFile(invalidResource); + assertNull(theURL); + + theURL = ResourceUtils.getLocalFile("file:///"); + assertNotNull(theURL); + + theURL = ResourceUtils.getLocalFile("file:///testdir/testfile.xml"); + assertNull(theURL); + + theURL = ResourceUtils.getLocalFile(null); + assertNull(theURL); + } + + /** + * Test get resource as stream. + */ + @Test + public void testGetResourceAsStream() { + InputStream theStream = ResourceUtils.getResourceAsStream(tmpDir.getAbsolutePath()); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(tmpEmptyFile.getAbsolutePath()); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(tmpUsedFile.getAbsolutePath()); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(jarDirResource); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(jarFileResource); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(pathDirResource); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(pathFileResource); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream("src/test/resources/" + pathDirResource); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream("src/test/resources/" + pathFileResource); + assertNotNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(nonExistantResource); + assertNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(invalidResource); + assertNull(theStream); + + theStream = ResourceUtils.getResourceAsStream(null); + assertNull(null); + + theStream = ResourceUtils.getResourceAsStream(""); + assertNull(null); + } + + /** + * Test get resource as string. + */ + @Test + public void testGetResourceAsString() { + String theString = ResourceUtils.getResourceAsString(tmpDir.getAbsolutePath()); + assertNotNull(theString); + + theString = ResourceUtils.getResourceAsString(tmpEmptyFile.getAbsolutePath()); + assertTrue(theString.equals("")); + + theString = ResourceUtils.getResourceAsString(tmpUsedFile.getAbsolutePath()); + assertTrue(theString.equals("Bluebirds fly over the rainbow")); + + theString = ResourceUtils.getResourceAsString(jarFileResource); + assertNotNull(theString); + + theString = ResourceUtils.getResourceAsString(pathDirResource); + assertNotNull(theString); + + theString = ResourceUtils.getResourceAsString(pathFileResource); + assertNotNull(theString); + + theString = ResourceUtils.getResourceAsString("src/test/resources/" + pathDirResource); + assertNotNull(theString); + + theString = ResourceUtils.getResourceAsString("src/test/resources/" + pathFileResource); + assertNotNull(theString); + + theString = ResourceUtils.getResourceAsString(nonExistantResource); + assertNull(theString); + + theString = ResourceUtils.getResourceAsString(invalidResource); + assertNull(theString); + + theString = ResourceUtils.getResourceAsString(null); + assertNull(theString); + + theString = ResourceUtils.getResourceAsString(""); + assertEquals("org\ntestdir\n", theString); + } + + @Test + public void testGetURL4Resource() { + URL theURL = ResourceUtils.getURL4Resource(tmpDir.getAbsolutePath()); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource(tmpEmptyFile.getAbsolutePath()); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource(tmpUsedFile.getAbsolutePath()); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource(jarDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource(jarFileResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource(pathDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource(pathFileResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource("src/test/resources/" + pathDirResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource("src/test/resources/" + pathFileResource); + assertNotNull(theURL); + + theURL = ResourceUtils.getURL4Resource(nonExistantResource); + assertNull(theURL); + + theURL = ResourceUtils.getURL4Resource(invalidResource); + assertNull(theURL); + } + + @Test + public void testGetFilePath4Resource() { + assertNull(ResourceUtils.getFilePath4Resource(null)); + assertEquals("/something/else", ResourceUtils.getFilePath4Resource("/something/else")); + assertTrue(ResourceUtils.getFilePath4Resource("xml/example.xml").endsWith("xml/example.xml")); + } + + /** + * Cleandown resource utils test. + */ + @After + public void cleandownResourceUtilsTest() { + tmpEmptyFile.delete(); + tmpUsedFile.delete(); + } +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TextFileUtilsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TextFileUtilsTest.java new file mode 100644 index 000000000..4e5cba374 --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TextFileUtilsTest.java @@ -0,0 +1,52 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import static org.junit.Assert.assertEquals; + +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.TextFileUtils; + +/** + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class TextFileUtilsTest { + + @Test + public void test() throws IOException { + File tempTextFile = File.createTempFile("Test", "txt"); + + TextFileUtils.putStringAsTextFile("This is the contents of a text file", tempTextFile.getAbsolutePath()); + + String textFileString0 = TextFileUtils.getTextFileAsString(tempTextFile.getAbsolutePath()); + assertEquals("This is the contents of a text file", textFileString0); + + FileInputStream fis = new FileInputStream(tempTextFile); + String textFileString1 = TextFileUtils.getStreamAsString(fis); + assertEquals(textFileString0, textFileString1); + + } + +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TreeMapUtilsTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TreeMapUtilsTest.java new file mode 100644 index 000000000..10a31e3b9 --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/TreeMapUtilsTest.java @@ -0,0 +1,87 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities; + +import static org.junit.Assert.assertEquals; + +import java.util.List; +import java.util.Map.Entry; +import java.util.TreeMap; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.TreeMapUtils; + +/** + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class TreeMapUtilsTest { + + @Test + public void test() { + TreeMap<String, String> testTreeMap = new TreeMap<String, String>(); + testTreeMap.put("G", "G"); + testTreeMap.put("H", "H"); + testTreeMap.put("JA", "JA"); + testTreeMap.put("JAM", "JAM"); + testTreeMap.put("JOE", "JOE"); + testTreeMap.put("JOSH", "JOSH"); + testTreeMap.put("K", "K"); + + List<Entry<String, String>> foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "F"); + assertEquals(0, foundKeyList.size()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "G"); + assertEquals("G", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "H"); + assertEquals("H", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "I"); + assertEquals(0, foundKeyList.size()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "J"); + assertEquals("JA", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "JA"); + assertEquals("JA", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "JB"); + assertEquals(0, foundKeyList.size()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "JO"); + assertEquals("JOE", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "JOE"); + assertEquals("JOE", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "JOS"); + assertEquals("JOSH", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "JOSH"); + assertEquals("JOSH", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "K"); + assertEquals("K", foundKeyList.get(0).getKey()); + + foundKeyList = TreeMapUtils.findMatchingEntries(testTreeMap, "L"); + assertEquals(0, foundKeyList.size()); + } +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/ParserTest.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/ParserTest.java new file mode 100644 index 000000000..bf4226102 --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/ParserTest.java @@ -0,0 +1,92 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.typeutils; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.fail; + +import java.lang.reflect.Type; + +import org.antlr.v4.runtime.ANTLRInputStream; +import org.antlr.v4.runtime.BailErrorStrategy; +import org.antlr.v4.runtime.CharStream; +import org.antlr.v4.runtime.CommonTokenStream; +import org.antlr.v4.runtime.TokenStream; +import org.junit.Test; + + +/** + */ +public class ParserTest { + @Test + public void testParser() { + final CharStream stream = new ANTLRInputStream( + "java.util.Map<java.util.List<java.lang.Integer>,java.util.Set<java.lang.String>>"); + final TokenStream tokenStream = new CommonTokenStream(new ParametrizedTypeLexer(stream)); + + final ParametrizedTypeParser parser = new ParametrizedTypeParser(tokenStream); + parser.removeErrorListeners(); + parser.setErrorHandler(new BailErrorStrategy()); + parser.setBuildParseTree(true); + assertEquals("java.util.Map<java.util.List<java.lang.Integer>, java.util.Set<java.lang.String>>", + parser.type().value.build().getTypeName()); + + } + + @Test + public void testBuilder() throws IllegalArgumentException { + String t = "java.util.Map<java.util.List<java.lang.Integer>,java.util.Set<java.lang.String>>"; + Type ret = TypeBuilder.build(t); + assertEquals("java.util.Map<java.util.List<java.lang.Integer>, java.util.Set<java.lang.String>>", + ret.getTypeName()); + assertEquals(java.util.Map.class, TypeBuilder.getJavaTypeClass(ret)); + + final Type[] args = TypeBuilder.getJavaTypeParameters(ret); + assertEquals("java.util.List<java.lang.Integer>", args[0].getTypeName()); + assertEquals("java.util.Set<java.lang.String>", args[1].getTypeName()); + t = "java.lang.Integer"; + ret = TypeBuilder.build(t); + assertEquals(java.lang.Integer.class, TypeBuilder.getJavaTypeClass(ret)); + + } + + @Test + public void testBoundaryConditions() { + try { + TypeBuilder.build(null); + fail("Test should throw exception"); + } catch (final IllegalArgumentException e) { + assertEquals( + "Blank type string passed to org.onap.policy.apex.model.utilities.typeutils.TypeBuilder.build(String type)", + e.getMessage()); + } + + try { + TypeBuilder.build("org.zooby.Wooby"); + fail("Test should throw exception"); + } catch (final IllegalArgumentException e) { + assertEquals(e.getMessage(), "Failed to build type 'org.zooby.Wooby': java.lang.IllegalArgumentException: " + + "Class 'org.zooby.Wooby' not found. Also looked for a class called 'java.lang.org.zooby.Wooby'"); + } + + assertEquals(TypeBuilder.getJavaTypeClass("java.lang.String"), String.class); + } +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyComparer.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyComparer.java new file mode 100644 index 000000000..c2e84c6fb --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyComparer.java @@ -0,0 +1,50 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.typeutils; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.comparison.KeyComparer; +import org.onap.policy.apex.model.utilities.comparison.KeyDifference; + +/** + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class TestKeyComparer { + + @Test + public void test() { + KeyDifference<String> keyDifference = new KeyComparer<String>().compareKeys("Hello", "Goodbye"); + + assertFalse(keyDifference.isEqual()); + assertTrue("Hello".equals(keyDifference.getLeftKey().toString())); + assertTrue("Goodbye".equals(keyDifference.getRightKey().toString())); + + assertTrue("left key Hello and right key Goodbye differ\n".equals(keyDifference.asString(true))); + assertTrue("left key Hello and right key Goodbye differ\n".equals(keyDifference.asString(false))); + + KeyDifference<String> keyDifference2 = new KeyComparer<String>().compareKeys("Here", "Here"); + assertTrue("".equals(keyDifference2.asString(true))); + assertTrue("left key Here equals right key Here\n".equals(keyDifference2.asString(false))); + } +} diff --git a/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyedMapComparer.java b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyedMapComparer.java new file mode 100644 index 000000000..33b8101a1 --- /dev/null +++ b/model/utilities/src/test/java/org/onap/policy/apex/model/utilities/typeutils/TestKeyedMapComparer.java @@ -0,0 +1,73 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.apex.model.utilities.typeutils; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertTrue; + +import java.util.TreeMap; + +import org.junit.Test; +import org.onap.policy.apex.model.utilities.comparison.KeyedMapComparer; +import org.onap.policy.apex.model.utilities.comparison.KeyedMapDifference; + +/** + * @author Liam Fallon (liam.fallon@ericsson.com) + */ +public class TestKeyedMapComparer { + + @Test + public void test() { + TreeMap<String, String> leftMap = new TreeMap<String, String>(); + leftMap.put("B", "BBBBB"); + leftMap.put("C", "CCCCC"); + leftMap.put("E", "EEEEE"); + leftMap.put("G", "GGGGG"); + + TreeMap<String, String> rightMap = new TreeMap<String, String>(); + rightMap.put("A", "AAAAA"); + rightMap.put("B", "B"); + rightMap.put("D", "DDDDD"); + rightMap.put("E", "EEEEE"); + rightMap.put("F", "FFFFF"); + rightMap.put("G", "G"); + + KeyedMapDifference<String, String> kmComparedSame = new KeyedMapComparer<String, String>().compareMaps(leftMap, leftMap); + KeyedMapDifference<String, String> kmComparedDiff = new KeyedMapComparer<String, String>().compareMaps(leftMap, rightMap); + + assertTrue(kmComparedSame.getIdenticalValues().equals(leftMap)); + assertEquals(1, kmComparedDiff.getLeftOnly().size()); + assertEquals(3, kmComparedDiff.getRightOnly().size()); + assertEquals(2, kmComparedDiff.getDifferentValues().size()); + assertEquals(1, kmComparedDiff.getIdenticalValues().size()); + + assertNotNull(kmComparedSame.asString(true, true)); + assertNotNull(kmComparedSame.asString(true, false)); + assertNotNull(kmComparedSame.asString(false, false)); + assertNotNull(kmComparedSame.asString(false, true)); + + assertNotNull(kmComparedDiff.asString(true, true)); + assertNotNull(kmComparedDiff.asString(true, false)); + assertNotNull(kmComparedDiff.asString(false, false)); + assertNotNull(kmComparedDiff.asString(false, true)); + } +} diff --git a/model/utilities/src/test/resources/testdir/testfile.xml b/model/utilities/src/test/resources/testdir/testfile.xml new file mode 100644 index 000000000..ddffc5822 --- /dev/null +++ b/model/utilities/src/test/resources/testdir/testfile.xml @@ -0,0 +1,20 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + ============LICENSE_START======================================================= + Copyright (C) 2016-2018 Ericsson. All rights reserved. + ================================================================================ + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + + SPDX-License-Identifier: Apache-2.0 + ============LICENSE_END========================================================= +--> |