[ONOS-4073] YANG enum translator implementation.
Change-Id: I129eaec0c8f81c674a994a579650f18499340052
diff --git a/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaEnumeration.java b/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaEnumeration.java
new file mode 100644
index 0000000..fe99500
--- /dev/null
+++ b/src/main/java/org/onosproject/yangutils/translator/tojava/javamodel/YangJavaEnumeration.java
@@ -0,0 +1,156 @@
+/*
+ * 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.YangEnumeration;
+import org.onosproject.yangutils.translator.exception.TranslatorException;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGenerator;
+import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
+import org.onosproject.yangutils.translator.tojava.JavaImportData;
+import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.utils.YangPluginConfig;
+
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_ENUM_CLASS;
+import static org.onosproject.yangutils.translator.tojava.utils.YangJavaModelUtils.generateCodeOfType;
+
+/**
+ * Represents YANG java enumeration information extended to support java code generation.
+ */
+public class YangJavaEnumeration extends YangEnumeration implements JavaCodeGenerator, JavaCodeGeneratorInfo {
+
+ /**
+ * Contains the information of the java file being generated.
+ */
+ private JavaFileInfo javaFileInfo;
+
+ /**
+ * Contains information of the imports to be inserted in the java file
+ * generated.
+ */
+ private JavaImportData javaImportData;
+
+ /**
+ * File handle to maintain temporary java code fragments as per the code
+ * snippet types.
+ */
+ private TempJavaCodeFragmentFiles tempFileHandle;
+
+ /**
+ * Creates YANG java enumeration object.
+ */
+ public YangJavaEnumeration() {
+ super();
+ setJavaFileInfo(new JavaFileInfo());
+ setJavaImportData(new JavaImportData());
+ getJavaFileInfo().setGeneratedFileTypes(GENERATE_ENUM_CLASS);
+ }
+
+ /**
+ * 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 data of java imports to be included in generated file.
+ *
+ * @return data of java imports to be included in generated file
+ */
+ @Override
+ public JavaImportData getJavaImportData() {
+
+ return javaImportData;
+ }
+
+ /**
+ * Sets the data of java imports to be included in generated file.
+ *
+ * @param javaImportData data of java imports to be included in generated
+ * file
+ */
+ @Override
+ public void setJavaImportData(JavaImportData javaImportData) {
+
+ this.javaImportData = javaImportData;
+ }
+
+ /**
+ * 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
+ * enumeration info.
+ *
+ * @param yangPlugin YANG plugin config
+ * @throws IOException IO operations fails
+ */
+ @Override
+ public void generateCodeEntry(YangPluginConfig yangPlugin) throws IOException {
+ generateCodeOfType(this, yangPlugin, false);
+ }
+
+ /**
+ * Creates a java file using the YANG enumeration info.
+ *
+ * @throws IOException IO operation fail
+ */
+ @Override
+ public void generateCodeExit() throws IOException {
+ getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_ENUM_CLASS, this);
+ }
+
+}