diff options
Diffstat (limited to 'tools/tools-common/src/main/java/org')
5 files changed, 739 insertions, 0 deletions
diff --git a/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/CliOptions.java b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/CliOptions.java new file mode 100644 index 000000000..277769be2 --- /dev/null +++ b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/CliOptions.java @@ -0,0 +1,105 @@ +/*- + * ============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.tools.common; + +import org.apache.commons.cli.Option; + +/** + * Standard application CLI options. + * + * @author Sven van der Meer (sven.van.der.meer@ericsson.com) + */ +public final class CliOptions { + + /** Private constructor to prevent instantiation. */ + private CliOptions() {} + + /** A console option with "-c" and "--console". */ + public static final Option CONSOLE = + Option.builder("c").longOpt("console").desc("application as console with input from standard in").build(); + + /** A help option with "-h" and "--help". */ + public static final Option HELP = + Option.builder("h").longOpt("help").desc("prints this help and usage screen").build(); + + /** A version option with "-v" and "--version". */ + public static final Option VERSION = + Option.builder("v").longOpt("version").desc("prints the application version").build(); + + /** A print-stacktrace option with "--print-stacktrace". */ + public static final Option PRINTSTACKTRACE = + Option.builder().longOpt("print-stacktrace").desc("prints stack traces for any exception").build(); + + /** A check-java-class option with "--check-java-class". */ + public static final Option CHECKJAVACLASS = Option.builder("j").longOpt("check-java-class") + .desc("switch on checking of Java class references, requires JAR in class path").build(); + + /** A quiet option with "-q" and "--quiet". */ + public static final Option QUIET = + Option.builder("q").longOpt("quiet").desc("application in quiet mode, no output at all").build(); + + /** A no-warning option with "--no-warnings". */ + public static final Option NOWARNINGS = + Option.builder().longOpt("no-warnings").desc("switch off all warnings").build(); + + /** A no-error option with "--no-errors". */ + public static final Option NOERRORS = + Option.builder().longOpt("no-errors").desc("switch off error messages").build(); + + /** A no-progress option with "--no-progress". */ + public static final Option SHOWPROGRESS = + Option.builder().longOpt("no-progress").desc("switch off progress information").build(); + + /** A file-in option with "-f" and "--input-file". */ + public static final Option FILEIN = + Option.builder("f").hasArg().argName("FILE").longOpt("input-file").desc("set the input file").build(); + + /** A file-out option with "-o" and "--output-file". */ + public static final Option FILEOUT = Option.builder("o").hasArg().argName("FILE").longOpt("output-file") + .desc("set the output file").required(false).build(); + + /** An overwrite option with "-ow" and "--overwrite". */ + public static final Option OVERWRITE = Option.builder("ow").required(false).longOpt("overwrite") + .desc("overwrite the output file if it exists. This option can only be used with the -" + FILEOUT.getOpt() + + " option") + .build(); + + /** An option for the policy model file with "-m" and "--model". */ + public static final Option MODELFILE = Option.builder("m").hasArg().argName("MODEL-FILE").longOpt("model") + .desc("set the input policy model file").build(); + + /** A type option defining what type is used for events with "-t" and "--type". */ + public static final Option TYPE = Option.builder("t").hasArg().argName("TYPE").longOpt("type").desc( + "set the event type for generation, one of: stimuli (trigger events), response (action events), internal (events between states)") + .build(); + + /** A server option with "-s" and "--server". */ + public static final Option SERVER = Option.builder("s").hasArg().argName("HOSTNAME").longOpt("server") + .desc("set the Websocket server hostname, default: localhost").build(); + + /** A port option with "-p" and "--port". */ + public static final Option PORT = Option.builder("p").hasArg().argName("PORT").longOpt("port") + .desc("set the Websocket server port, default: 8887").build(); + + /** A skip validation option with "-sv" and "--skip-validation". */ + public static final Option SKIPVALIDATION = Option.builder("sv").longOpt("skip-validation") + .desc("switch of validation of the input file").required(false).type(boolean.class).build(); +} diff --git a/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/CliParser.java b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/CliParser.java new file mode 100644 index 000000000..588abfc6b --- /dev/null +++ b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/CliParser.java @@ -0,0 +1,119 @@ +/*- + * ============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.tools.common; + +//// +//// NOTE: This file contains tags for ASCIIDOC +//// DO NOT REMOVE any of those tag lines, e.g. +////// tag::** +////// end::** +//// + +import java.util.Scanner; + +import org.apache.commons.cli.CommandLine; +import org.apache.commons.cli.CommandLineParser; +import org.apache.commons.cli.DefaultParser; +import org.apache.commons.cli.Option; +import org.apache.commons.cli.Options; +import org.apache.commons.cli.ParseException; + +/** + * Application CLI parser. + * + * @author Sven van der Meer (sven.van.der.meer@ericsson.com) + */ +public class CliParser { + + /** The local set of CLI options. */ + private final Options options; + + /** The command line, null on start, not null after successful parse. */ + private CommandLine cmd; + + /** + * Creates a new CLI parser. + */ + public CliParser() { + options = new Options(); + } + + /** + * Adds an option to the parser. + * + * @param option the new option, must not be null + * @return self to allow chaining + */ + public CliParser addOption(final Option option) { + if (option == null) { + throw new IllegalStateException("CLI parser: given option was null"); + } + options.addOption(option); + return this; + } + + /** + * Parses the arguments with the set options. + * + * @param args the arguments to parse + * @return a command line with parsed arguments, null on parse errors. + */ + public CommandLine parseCli(final String[] args) { + final CommandLineParser parser = new DefaultParser(); + try { + cmd = parser.parse(options, args); + } catch (final ParseException ex) { + System.err.println("Parsing failed. Reason: " + ex.getMessage()); + ex.printStackTrace(); + } + return cmd; + } + + /** + * Returns the parsed command line. + * + * @return the parsed command line, null if nothing parsed + */ + public CommandLine getCommandLine() { + return cmd; + } + + /** + * Returns the CLI options. + * + * @return CLI options + */ + public Options getOptions() { + return options; + } + + /** + * Returns the version for an application as set by Maven. + * + * @return version, null if version file <code>/app-version.txt</code> was not found + */ + @SuppressWarnings("resource") + // tag::cliParserVersion[] + public String getAppVersion() { + return new Scanner(CliParser.class.getResourceAsStream("/app-version.txt"), "UTF-8").useDelimiter("\\A").next(); + } + // end::cliParserVersion[] +} diff --git a/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/Console.java b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/Console.java new file mode 100644 index 000000000..571333147 --- /dev/null +++ b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/Console.java @@ -0,0 +1,352 @@ +/*- + * ============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.tools.common; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.commons.lang3.StringUtils; +import org.apache.commons.text.StrBuilder; +import org.slf4j.helpers.MessageFormatter; + +/** + * A console for printing messages with functionality similar to loggers. The class provides a static instance for all + * parts of an application. The default configuration is to not collect errors or warnings. The default types being + * activated are errors, warnings, and info messages. + * + * @author Sven van der Meer (sven.van.der.meer@ericsson.com) + */ +public final class Console { + + /** The console as static object. */ + public static final Console CONSOLE = new Console(); + + /** Type for a quiet console, no messages being printed. */ + public static final int TYPE_QUIET = 0; + + /** Type for printing error messages. */ + public static final int TYPE_ERROR = 0b0001; + + /** Type for printing warning messages. */ + public static final int TYPE_WARNING = 0b0010; + + /** Type for printing information messages. */ + public static final int TYPE_INFO = 0b0100; + + /** Type for printing progress messages. */ + public static final int TYPE_PROGRESS = 0b1000; + + /** Type for printing debug messages. */ + public static final int TYPE_DEBUG = 0b001_0000; + + /** Type for printing trace messages. */ + public static final int TYPE_TRACE = 0b010_0000; + + /** Type for printing stack traces of caught exceptions. */ + public static final int TYPE_STACKTRACE = 0b110_0000; + + /** Type for a verbose console, activating all message types. */ + public static final int TYPE_VERBOSE = 0b111_1111; + + /** Configuration for a collecting error messages. */ + public static final int CONFIG_COLLECT_ERRORS = 0b0001; + + /** Configuration for a collecting warning messages. */ + public static final int CONFIG_COLLECT_WARNINGS = 0b0010; + + /** The setting for message types, set using type flags. */ + private int types; + + /** The console configuration, set using configuration flags. */ + private int configuration; + + /** A name for the application, if set used as prefix for messages. */ + private String appName; + + /** The list of errors, filled if error collection is activates. */ + private final List<String> errors; + + /** The list of warnings, filled if warning collection is activates. */ + private final List<String> warnings; + + /** + * Creates a new console. The constructor is private since the class provides static access to an instance. The + * default for types is verbose. + */ + private Console() { + types = TYPE_VERBOSE; + + configuration = 0; + errors = new ArrayList<>(); + warnings = new ArrayList<>(); + } + + /** + * Sets the application name. + * + * @param appName new application name, use <code>null</code> to reset the application name, a non-blank string for + * a new name, blank strings are ignored + */ + public void setAppName(final String appName) { + if (appName == null) { + this.appName = null; + } else if (!StringUtils.isBlank(appName)) { + this.appName = appName; + } + } + + /** + * Returns the application name. + * + * @return application name, null if not set, non-blank string otherwise + */ + public String getAppName() { + return appName; + } + + /** + * Activates a type. + * + * @param type the type to activate + */ + public void activate(final int type) { + types = types | type; + } + + /** + * Deactivates a type. + * + * @param type type to deactivate + */ + public void deActivate(final int type) { + types = types & ~type; + } + + /** + * Sets the type to the given type, effectively deactivating all other types. + * + * @param type new type + */ + public void set(final int type) { + types = type; + } + + /** + * Configures the console. Use the configuration flags in combination for the required configuration. For instance, + * to collect errors and warnings use <code>CONFIG_COLLECT_ERRORS | CONFIG_COLLECT_WARNINGS</code>. + * + * @param config the new configuration, overwrites the current configuration, 0 deactivates all settings + */ + public void configure(final int config) { + this.configuration = config; + } + + /** + * Sets the type to the given types, effectively deactivating all other types. + * + * @param ts array of types to set + */ + public void set(final int... ts) { + this.types = 0; + for (final int type : ts) { + this.activate(type); + } + } + + /** + * Prints an error message with message and objects if {@link #TYPE_ERROR} is set; and increases the error count. + * Errors are collected (if configuration is set) and the error counter is increased regardless of the console error + * type settings. + * + * @param message the error message, using the same format as the SLF4J MessageFormatter, nothing done if + * <code>blank</code> + * @param objects the objects for substitution in the message + */ + public void error(final String message, final Object... objects) { + if (StringUtils.isBlank(message)) { + return; + } + + final StrBuilder err = new StrBuilder(); + if (appName != null) { + err.append(this.getAppName()).append(": "); + } + err.append("error: "); + err.append(MessageFormatter.arrayFormat(message, objects).getMessage()); + + if ((types & TYPE_ERROR) == TYPE_ERROR) { + System.err.println(err.build()); + } + if ((configuration & CONFIG_COLLECT_ERRORS) == CONFIG_COLLECT_ERRORS) { + errors.add(err.build()); + } + } + + /** + * Prints a warning message with message and objects if {@link #TYPE_WARNING} is set; and increases the warning + * count. Warnings are collected (if configuration is set) and the warning counter is increased regardless of the + * console warning type settings. + * + * @param message the warning message, using the same format as the SLF4J MessageFormatter, nothing done if + * <code>blank</code> + * @param objects the objects for substitution in the message + */ + public void warn(final String message, final Object... objects) { + if (StringUtils.isBlank(message)) { + return; + } + + final StrBuilder warn = new StrBuilder(); + if (appName != null) { + warn.append(this.getAppName()).append(": "); + } + warn.append("warning: "); + warn.append(MessageFormatter.arrayFormat(message, objects).getMessage()); + + if ((types & TYPE_WARNING) == TYPE_WARNING) { + System.err.println(warn.build()); + } + if ((configuration & CONFIG_COLLECT_WARNINGS) == CONFIG_COLLECT_WARNINGS) { + warnings.add(warn.build()); + } + } + + /** + * Prints an info message with message and objects if {@link #TYPE_INFO} is set. + * + * @param message the warning message, using the same format as the SLF4J MessageFormatter, nothing done if + * <code>blank</code> + * @param objects the objects for substitution in the message + */ + public void info(final String message, final Object... objects) { + if (StringUtils.isBlank(message)) { + return; + } + + if ((types & TYPE_INFO) == TYPE_INFO) { + if (appName != null) { + System.err.print(appName + ": "); + } + System.err.println(MessageFormatter.arrayFormat(message, objects).getMessage()); + } + } + + /** + * Prints a progress message with message and objects if {@link #TYPE_PROGRESS} is set. + * + * @param message the warning message, using the same format as the SLF4J MessageFormatter, nothing done if + * <code>blank</code> + * @param objects the objects for substitution in the message + */ + public void progress(final String message, final Object... objects) { + if (StringUtils.isBlank(message)) { + return; + } + + if ((types & TYPE_PROGRESS) == TYPE_PROGRESS) { + if (appName != null) { + System.err.print(appName + ": "); + } + System.err.print("progress: "); + System.err.println(MessageFormatter.arrayFormat(message, objects).getMessage()); + } + } + + /** + * Prints a debug message with message and objects if {@link #TYPE_DEBUG} is set. + * + * @param message the warning message, using the same format as the SLF4J MessageFormatter, nothing done if + * <code>blank</code> + * @param objects the objects for substitution in the message + */ + public void debug(final String message, final Object... objects) { + if (StringUtils.isBlank(message)) { + return; + } + + if ((types & TYPE_DEBUG) == TYPE_DEBUG) { + if (appName != null) { + System.err.print(appName + ": "); + } + System.err.print("debug: "); + System.err.println(MessageFormatter.arrayFormat(message, objects).getMessage()); + } + } + + /** + * Prints a trace message with message and objects if {@link #TYPE_TRACE} is set. + * + * @param message the warning message, using the same format as the SLF4J MessageFormatter, nothing done if + * <code>blank</code> + * @param objects the objects for substitution in the message + */ + public void trace(final String message, final Object... objects) { + if (StringUtils.isBlank(message)) { + return; + } + + if ((types & TYPE_TRACE) == TYPE_TRACE) { + if (appName != null) { + System.err.print(appName + ": "); + } + System.err.print("trace: "); + System.err.println(MessageFormatter.arrayFormat(message, objects).getMessage()); + } + } + + /** + * Prints message, cause, and stack trace for a given exception if {@link #TYPE_STACKTRACE} is set. + * + * @param exception the exception to print, ignored if <code>null</code> + */ + public void stacktrace(final Exception exception) { + if (exception == null) { + return; + } + + if ((types & TYPE_STACKTRACE) == TYPE_STACKTRACE) { + if (appName != null) { + System.err.print(appName + ": "); + } + System.err.println("exception stack trace: "); + System.err.println(" - message: " + exception.getMessage()); + if (exception.getCause() != null) { + System.err.println(" - cause: " + exception.getCause()); + } + exception.printStackTrace(); + } + } + + /** + * Resets the error counter and the list of errors. + */ + public void resetErrors() { + errors.clear(); + } + + /** + * Resets the warning counter and the list of warnings. + */ + public void resetWarnings() { + warnings.clear(); + } + +} diff --git a/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/OutputFile.java b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/OutputFile.java new file mode 100644 index 000000000..b529a7e08 --- /dev/null +++ b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/OutputFile.java @@ -0,0 +1,136 @@ +/*- + * ============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.tools.common; + +import java.io.BufferedWriter; +import java.io.File; +import java.io.FileOutputStream; +import java.io.FileWriter; +import java.io.IOException; +import java.io.OutputStream; +import java.io.Writer; +import java.nio.file.FileSystems; +import java.nio.file.Path; + +import org.apache.commons.lang3.StringUtils; +import org.apache.commons.lang3.Validate; + +/** + * Standard output file handling and tests. + * + * @author Sven van der Meer (sven.van.der.meer@ericsson.com) + */ +public class OutputFile { + + /** The output file name. */ + private final String fileName; + + /** The output file name. */ + private final boolean overwrite; + + /** + * Creates a new object for a given file name. + * + * @param fileName the file name + */ + public OutputFile(final String fileName) { + this(fileName, false); + } + + /** + * Creates a new object for a given file name. + * + * @param fileName the file name + * @param overwrite if the file already exists, can it be overwritten, or should an error be raised + */ + public OutputFile(final String fileName, final boolean overwrite) { + Validate.notBlank(fileName); + this.fileName = fileName; + this.overwrite = overwrite; + } + + /** + * Get a File object for this output file. + * + * @return a File object for this output file + */ + public File toFile() { + final Path fp = FileSystems.getDefault().getPath(fileName); + return fp.toFile(); + } + + /** + * Get a Writer object for this output file. + * + * @return a Writer object for this output file + */ + public Writer toWriter() { + try { + return new BufferedWriter(new FileWriter(toFile())); + } catch (final IOException e) { + return null; + } + } + + /** + * Get a OutputStream object for this output file. + * + * @return an OutputStream object for this output file + */ + public OutputStream toOutputStream() { + try { + return new FileOutputStream(toFile()); + } catch (final IOException e) { + return null; + } + } + + /** + * Validates the output file. Validation tests for file name being blank, file existing, creation, and finally + * can-write. + * + * @return null on success, an error message on error + */ + public String validate() { + if (StringUtils.isBlank(fileName)) { + return "file name was blank"; + } + + final File file = toFile(); + if (file.exists()) { + if (!overwrite) { + return "file already exists"; + } + } else { + try { + file.createNewFile(); + } catch (final IOException e) { + return "could not create output file: " + e.getMessage(); + } + } + + if (!file.canWrite()) { + return "cannot write to file"; + } + + return null; + } +} diff --git a/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/package-info.java b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/package-info.java new file mode 100644 index 000000000..e193aac5d --- /dev/null +++ b/tools/tools-common/src/main/java/org/onap/policy/apex/tools/common/package-info.java @@ -0,0 +1,27 @@ +/*- + * ============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========================================================= + */ + +/** + * Utilities for APEX related applications, such as CLI parser and application console. + * + * @author Sven van der Meer (sven.van.der.meer@ericsson.com) + */ + +package org.onap.policy.apex.tools.common; |