[ONOS-4922] Javamodel package creation for YANG utils.
Change-Id: Iff1745a8c04881b44db3f2f687967f984c38e2c7
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaNotificationTranslator.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaNotificationTranslator.java
new file mode 100644
index 0000000..a693820
--- /dev/null
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaNotificationTranslator.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+package org.onosproject.yangutils.translator.tojava.javamodel;
+
+import java.io.IOException;
+
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.javadatamodel.JavaFileInfo;
+import org.onosproject.yangutils.datamodel.javadatamodel.YangJavaNotification;
+import org.onosproject.yangutils.datamodel.javadatamodel.YangPluginConfig;
+import org.onosproject.yangutils.translator.exception.TranslatorException;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGenerator;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
+import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
+import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfoTranslator;
+import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
+import org.onosproject.yangutils.translator.tojava.TempJavaServiceFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.utils.JavaExtendsListHolder;
+
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.utils.UtilConstants.EVENT_LISTENER_STRING;
+import static org.onosproject.yangutils.utils.UtilConstants.EVENT_STRING;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
+
+/**
+ * Represents notification information extended to support java code generation.
+ */
+public class YangJavaNotificationTranslator
+ extends YangJavaNotification
+ implements JavaCodeGenerator, JavaCodeGeneratorInfo {
+
+ private static final long serialVersionUID = 806201624L;
+
+ /**
+ * File handle to maintain temporary java code fragments as per the code
+ * snippet types.
+ */
+ private transient TempJavaCodeFragmentFiles tempFileHandle;
+
+ /**
+ * Creates an instance of java Notification.
+ */
+ public YangJavaNotificationTranslator() {
+ super();
+ setJavaFileInfo(new JavaFileInfo());
+ getJavaFileInfo().setGeneratedFileTypes(GENERATE_INTERFACE_WITH_BUILDER);
+ }
+
+ /**
+ * Returns the generated java file information.
+ *
+ * @return generated java file information
+ */
+ @Override
+ public JavaFileInfo getJavaFileInfo() {
+
+ if (javaFileInfo == null) {
+ throw new TranslatorException("Missing java info in java datamodel node");
+ }
+ return javaFileInfo;
+ }
+
+ /**
+ * Sets the java file info object.
+ *
+ * @param javaInfo java file info object
+ */
+ @Override
+ public void setJavaFileInfo(JavaFileInfo javaInfo) {
+ javaFileInfo = javaInfo;
+ }
+
+ /**
+ * Returns the temporary file handle.
+ *
+ * @return temporary file handle
+ */
+ @Override
+ public TempJavaCodeFragmentFiles getTempJavaCodeFragmentFiles() {
+ return tempFileHandle;
+ }
+
+ /**
+ * Sets temporary file handle.
+ *
+ * @param fileHandle temporary file handle
+ */
+ @Override
+ public void setTempJavaCodeFragmentFiles(TempJavaCodeFragmentFiles fileHandle) {
+ tempFileHandle = fileHandle;
+ }
+
+ /**
+ * Prepare the information for java code generation corresponding to YANG
+ * notification info.
+ *
+ * @param yangPlugin YANG plugin config
+ * @throws TranslatorException translator operation fail
+ */
+ @Override
+ public void generateCodeEntry(YangPluginConfig yangPlugin) throws TranslatorException {
+
+ /**
+ * As part of the notification support the following files needs to be generated.
+ * 1) Subject of the notification(event), this is simple interface with builder class.
+ * 2) Event class extending "AbstractEvent" and defining event type enum.
+ * 3) Event listener interface extending "EventListener".
+ *
+ * The manager class needs to extend the ListenerRegistry.
+ */
+
+ // Generate subject of the notification(event), this is simple interface
+ // with builder class.
+ try {
+ generateCodeOfAugmentableNode(this, yangPlugin);
+ addNotificationToExtendsList();
+ } catch (IOException e) {
+ throw new TranslatorException(
+ "Failed to prepare generate code entry for notification node " + getName());
+ }
+ }
+
+ /*Adds current notification info to the extends list so its parents service*/
+ private void addNotificationToExtendsList() {
+ YangNode parent = getParent();
+ TempJavaServiceFragmentFiles tempJavaServiceFragmentFiles = ((TempJavaCodeFragmentFilesContainer) parent)
+ .getTempJavaCodeFragmentFiles()
+ .getServiceTempFiles();
+ JavaExtendsListHolder holder = tempJavaServiceFragmentFiles.getJavaExtendsListHolder();
+ JavaQualifiedTypeInfoTranslator event = new JavaQualifiedTypeInfoTranslator();
+
+ String parentInfo = getCapitalCase(((JavaFileInfoContainer) parent)
+ .getJavaFileInfo().getJavaName());
+ event.setClassInfo(parentInfo + EVENT_STRING);
+ event.setPkgInfo(getJavaFileInfo().getPackage());
+ holder.addToExtendsList(event, parent, tempJavaServiceFragmentFiles);
+
+ JavaQualifiedTypeInfoTranslator eventListener = new JavaQualifiedTypeInfoTranslator();
+
+ eventListener.setClassInfo(parentInfo + EVENT_LISTENER_STRING);
+ eventListener.setPkgInfo(getJavaFileInfo().getPackage());
+ holder.addToExtendsList(eventListener, parent, tempJavaServiceFragmentFiles);
+
+ }
+
+ /**
+ * Creates a java file using the YANG notification info.
+ */
+ @Override
+ public void generateCodeExit() throws TranslatorException {
+ try {
+ getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_INTERFACE_WITH_BUILDER, this);
+ } catch (IOException e) {
+ throw new TranslatorException("Failed to generate code for notification node " + getName());
+ }
+
+ }
+}