diff options
Diffstat (limited to 'dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/AnalyticsModelIOUtils.java')
-rw-r--r-- | dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/AnalyticsModelIOUtils.java | 264 |
1 files changed, 132 insertions, 132 deletions
diff --git a/dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/AnalyticsModelIOUtils.java b/dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/AnalyticsModelIOUtils.java index df1d46d..6fcd459 100644 --- a/dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/AnalyticsModelIOUtils.java +++ b/dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/AnalyticsModelIOUtils.java @@ -1,132 +1,132 @@ -/* - * ===============================LICENSE_START====================================== - * dcae-analytics - * ================================================================================ - * Copyright © 2017 AT&T Intellectual Property. 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. - * ============================LICENSE_END=========================================== - */ - -package org.openecomp.dcae.apod.analytics.model.util; - -import com.fasterxml.jackson.core.JsonParseException; -import com.fasterxml.jackson.databind.JsonMappingException; -import java.io.FileNotFoundException; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.nio.charset.Charset; -import java.util.Properties; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -/** - * Utility class containing methods for IO related operations - * <p> - * @author Rajiv Singla . Creation Date: 10/17/2016. - */ -public abstract class AnalyticsModelIOUtils extends AnalyticsModelJsonUtils { - - private static final Logger LOG = LoggerFactory.getLogger(AnalyticsModelIOUtils.class); - - /** - * Parses given valid JSON file Location to object of given binding class type. - * - * @param fileLocation valid JSON File Location - * @param bindingClass class Type of Binding object - * - * @param <T> binding Class Type - * - * @return binding Class Object which properties populated from JSON File Location - * @throws IOException when fails to do IO operations - */ - public static final <T> T convertToJsonObject(String fileLocation, Class<T> bindingClass) throws IOException { - - // Load Resource from give path - final InputStream resourceAsStream = loadResourceAsStream(fileLocation); - - // If resource is null throw an exception - if (resourceAsStream == null) { - final String errorMessage = String.format("Invalid File location: %s", fileLocation); - throw new IOException(errorMessage, new FileNotFoundException(errorMessage)); - } - - // Parse input stream - try (InputStreamReader inputStreamReader = new InputStreamReader(resourceAsStream, Charset.forName("UTF-8"))) { - - return ANALYTICS_MODEL_OBJECT_MAPPER.readValue(inputStreamReader, bindingClass); - } catch (JsonMappingException | JsonParseException e) { - - // If parsing fails due to Invalid Json or Json IO Issues throw an exception - final String errorMessage = String.format("Json parsing error while parsing Json File location: %s", - fileLocation); - - LOG.error(errorMessage); - throw new IOException(errorMessage, e); - } catch (IOException e) { - - // If parsing fails due to IO Issues throw an exception - final String errorMessage = String.format("IO Error while parsing Json File location: %s", fileLocation); - LOG.error(errorMessage); - throw new IOException(errorMessage, e); - } - } - - /** - * Loads properties from a given file location. Throws {@link RuntimeException} if file location is invalid - * or there were exception when loading properties - * - * @param propertiesFileLocation path string for properties file - * @param properties properties object that needs to be populated with give file properties - * - * @return properties object with populated properties from properties file - * - */ - public static Properties loadPropertiesFile(String propertiesFileLocation, final Properties properties) { - - // Load Resource from give properties file path - final InputStream propertiesFileInputStream = loadResourceAsStream(propertiesFileLocation); - - // If properties file is not present throw an exception - if (propertiesFileInputStream == null) { - final String errorMessage = String.format("Invalid Properties File at location: %s", - propertiesFileLocation); - //TODO: discuss and change this excpeiton as well. - throw new RuntimeException(errorMessage, new FileNotFoundException(errorMessage)); - } - - try { - properties.load(propertiesFileInputStream); - } catch (IOException e) { - final String errorMessage = String.format("IO Exception while reading Properties File at location: %s", - propertiesFileLocation); - throw new RuntimeException(errorMessage, e); - } - - return properties; - - } - - /** - * Loads Input file from the given classpath file location and returns file InputStream - * - * @param fileLocation classpath file location - * - * @return {@link InputStream} for classpath file - */ - public static InputStream loadResourceAsStream(String fileLocation) { - // Load Resource from give path - return Thread.currentThread().getContextClassLoader().getResourceAsStream(fileLocation); - } -} +/*
+ * ===============================LICENSE_START======================================
+ * dcae-analytics
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. 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.
+ * ============================LICENSE_END===========================================
+ */
+
+package org.openecomp.dcae.apod.analytics.model.util;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import java.util.Properties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Utility class containing methods for IO related operations
+ * <p>
+ * @author Rajiv Singla . Creation Date: 10/17/2016.
+ */
+public abstract class AnalyticsModelIOUtils extends AnalyticsModelJsonUtils {
+
+ private static final Logger LOG = LoggerFactory.getLogger(AnalyticsModelIOUtils.class);
+
+ /**
+ * Parses given valid JSON file Location to object of given binding class type.
+ *
+ * @param fileLocation valid JSON File Location
+ * @param bindingClass class Type of Binding object
+ *
+ * @param <T> binding Class Type
+ *
+ * @return binding Class Object which properties populated from JSON File Location
+ * @throws IOException when fails to do IO operations
+ */
+ public static final <T> T convertToJsonObject(String fileLocation, Class<T> bindingClass) throws IOException {
+
+ // Load Resource from give path
+ final InputStream resourceAsStream = loadResourceAsStream(fileLocation);
+
+ // If resource is null throw an exception
+ if (resourceAsStream == null) {
+ final String errorMessage = String.format("Invalid File location: %s", fileLocation);
+ throw new IOException(errorMessage, new FileNotFoundException(errorMessage));
+ }
+
+ // Parse input stream
+ try (InputStreamReader inputStreamReader = new InputStreamReader(resourceAsStream, Charset.forName("UTF-8"))) {
+
+ return ANALYTICS_MODEL_OBJECT_MAPPER.readValue(inputStreamReader, bindingClass);
+ } catch (JsonMappingException | JsonParseException e) {
+
+ // If parsing fails due to Invalid Json or Json IO Issues throw an exception
+ final String errorMessage = String.format("Json parsing error while parsing Json File location: %s",
+ fileLocation);
+
+ LOG.error(errorMessage);
+ throw new IOException(errorMessage, e);
+ } catch (IOException e) {
+
+ // If parsing fails due to IO Issues throw an exception
+ final String errorMessage = String.format("IO Error while parsing Json File location: %s", fileLocation);
+ LOG.error(errorMessage);
+ throw new IOException(errorMessage, e);
+ }
+ }
+
+ /**
+ * Loads properties from a given file location. Throws {@link RuntimeException} if file location is invalid
+ * or there were exception when loading properties
+ *
+ * @param propertiesFileLocation path string for properties file
+ * @param properties properties object that needs to be populated with give file properties
+ *
+ * @return properties object with populated properties from properties file
+ *
+ */
+ public static Properties loadPropertiesFile(String propertiesFileLocation, final Properties properties) {
+
+ // Load Resource from give properties file path
+ final InputStream propertiesFileInputStream = loadResourceAsStream(propertiesFileLocation);
+
+ // If properties file is not present throw an exception
+ if (propertiesFileInputStream == null) {
+ final String errorMessage = String.format("Invalid Properties File at location: %s",
+ propertiesFileLocation);
+ //TODO: discuss and change this excpeiton as well.
+ throw new RuntimeException(errorMessage, new FileNotFoundException(errorMessage));
+ }
+
+ try {
+ properties.load(propertiesFileInputStream);
+ } catch (IOException e) {
+ final String errorMessage = String.format("IO Exception while reading Properties File at location: %s",
+ propertiesFileLocation);
+ throw new RuntimeException(errorMessage, e);
+ }
+
+ return properties;
+
+ }
+
+ /**
+ * Loads Input file from the given classpath file location and returns file InputStream
+ *
+ * @param fileLocation classpath file location
+ *
+ * @return {@link InputStream} for classpath file
+ */
+ public static InputStream loadResourceAsStream(String fileLocation) {
+ // Load Resource from give path
+ return Thread.currentThread().getContextClassLoader().getResourceAsStream(fileLocation);
+ }
+}
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