-/*
- * ===============================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);
- }
-}
+/*\r
+ * ===============================LICENSE_START======================================\r
+ * dcae-analytics\r
+ * ================================================================================\r
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
+ * ================================================================================\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ * ============================LICENSE_END===========================================\r
+ */\r
+\r
+package org.openecomp.dcae.apod.analytics.model.util;\r
+\r
+import com.fasterxml.jackson.core.JsonParseException;\r
+import com.fasterxml.jackson.databind.JsonMappingException;\r
+import java.io.FileNotFoundException;\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+import java.io.InputStreamReader;\r
+import java.nio.charset.Charset;\r
+import java.util.Properties;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+\r
+/**\r
+ * Utility class containing methods for IO related operations\r
+ * <p>\r
+ * @author Rajiv Singla . Creation Date: 10/17/2016.\r
+ */\r
+public abstract class AnalyticsModelIOUtils extends AnalyticsModelJsonUtils {\r
+\r
+ private static final Logger LOG = LoggerFactory.getLogger(AnalyticsModelIOUtils.class);\r
+\r
+ /**\r
+ * Parses given valid JSON file Location to object of given binding class type.\r
+ *\r
+ * @param fileLocation valid JSON File Location\r
+ * @param bindingClass class Type of Binding object\r
+ *\r
+ * @param <T> binding Class Type\r
+ *\r
+ * @return binding Class Object which properties populated from JSON File Location\r
+ * @throws IOException when fails to do IO operations\r
+ */\r
+ public static final <T> T convertToJsonObject(String fileLocation, Class<T> bindingClass) throws IOException {\r
+\r
+ // Load Resource from give path\r
+ final InputStream resourceAsStream = loadResourceAsStream(fileLocation);\r
+\r
+ // If resource is null throw an exception\r
+ if (resourceAsStream == null) {\r
+ final String errorMessage = String.format("Invalid File location: %s", fileLocation);\r
+ throw new IOException(errorMessage, new FileNotFoundException(errorMessage));\r
+ }\r
+\r
+ // Parse input stream\r
+ try (InputStreamReader inputStreamReader = new InputStreamReader(resourceAsStream, Charset.forName("UTF-8"))) {\r
+\r
+ return ANALYTICS_MODEL_OBJECT_MAPPER.readValue(inputStreamReader, bindingClass);\r
+ } catch (JsonMappingException | JsonParseException e) {\r
+\r
+ // If parsing fails due to Invalid Json or Json IO Issues throw an exception\r
+ final String errorMessage = String.format("Json parsing error while parsing Json File location: %s",\r
+ fileLocation);\r
+\r
+ LOG.error(errorMessage);\r
+ throw new IOException(errorMessage, e);\r
+ } catch (IOException e) {\r
+\r
+ // If parsing fails due to IO Issues throw an exception\r
+ final String errorMessage = String.format("IO Error while parsing Json File location: %s", fileLocation);\r
+ LOG.error(errorMessage);\r
+ throw new IOException(errorMessage, e);\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Loads properties from a given file location. Throws {@link RuntimeException} if file location is invalid\r
+ * or there were exception when loading properties\r
+ *\r
+ * @param propertiesFileLocation path string for properties file\r
+ * @param properties properties object that needs to be populated with give file properties\r
+ *\r
+ * @return properties object with populated properties from properties file\r
+ *\r
+ */\r
+ public static Properties loadPropertiesFile(String propertiesFileLocation, final Properties properties) {\r
+\r
+ // Load Resource from give properties file path\r
+ final InputStream propertiesFileInputStream = loadResourceAsStream(propertiesFileLocation);\r
+\r
+ // If properties file is not present throw an exception\r
+ if (propertiesFileInputStream == null) {\r
+ final String errorMessage = String.format("Invalid Properties File at location: %s",\r
+ propertiesFileLocation);\r
+ //TODO: discuss and change this excpeiton as well.\r
+ throw new RuntimeException(errorMessage, new FileNotFoundException(errorMessage));\r
+ }\r
+\r
+ try {\r
+ properties.load(propertiesFileInputStream);\r
+ } catch (IOException e) {\r
+ final String errorMessage = String.format("IO Exception while reading Properties File at location: %s",\r
+ propertiesFileLocation);\r
+ throw new RuntimeException(errorMessage, e);\r
+ }\r
+\r
+ return properties;\r
+\r
+ }\r
+\r
+ /**\r
+ * Loads Input file from the given classpath file location and returns file InputStream\r
+ *\r
+ * @param fileLocation classpath file location\r
+ *\r
+ * @return {@link InputStream} for classpath file\r
+ */\r
+ public static InputStream loadResourceAsStream(String fileLocation) {\r
+ // Load Resource from give path\r
+ return Thread.currentThread().getContextClassLoader().getResourceAsStream(fileLocation);\r
+ }\r
+}\r
Code Review / dcaegen2 / analytics / tca.git / blobdiff