[ONOS-3906],[ONOS-3910] Implementation of YANG module and leaf/leaf-list translator.
Change-Id: If1a8a991ffafa14b51211f97c435176ee1bf856f
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
new file mode 100644
index 0000000..736f40c
--- /dev/null
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2016 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.utils;
+
+import org.onosproject.yangutils.translator.GeneratedFileType;
+import org.onosproject.yangutils.utils.UtilConstants;
+
+/**
+ * Generates class definition for generated files.
+ */
+public final class ClassDefinitionGenerator {
+
+ /**
+ * Default constructor.
+ */
+ private ClassDefinitionGenerator() {
+ }
+
+ /**
+ * Generate class definition for specific classes.
+ *
+ * @param genFileTypes generated file type
+ * @param yangName class name
+ * @return class definition
+ */
+ public static String generateClassDefinition(GeneratedFileType genFileTypes, String yangName) {
+
+ /**
+ * based on the file type and the YANG name of the file, generate
+ * the class / interface definition start.
+ */
+ if (genFileTypes.equals(GeneratedFileType.INTERFACE)) {
+
+ return getInterfaceDefinition(yangName);
+ } else if (genFileTypes.equals(GeneratedFileType.BUILDER_CLASS)) {
+
+ return getBuilderClassDefinition(yangName);
+ } else if (genFileTypes.equals(GeneratedFileType.IMPL)) {
+
+ return getImplClassDefinition(yangName);
+ } else if (genFileTypes.equals(GeneratedFileType.BUILDER_INTERFACE)) {
+
+ return getBuilderInterfaceDefinition();
+ }
+ return null;
+ }
+
+ /**
+ * Returns interface file class definition.
+ *
+ * @param yangName file name
+ * @return definition
+ */
+ private static String getInterfaceDefinition(String yangName) {
+
+ return UtilConstants.PUBLIC + UtilConstants.SPACE + UtilConstants.INTERFACE + UtilConstants.SPACE + yangName
+ + UtilConstants.SPACE + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE;
+ }
+
+ /**
+ * Returns builder interface file class definition.
+ *
+ * @return definition
+ */
+ private static String getBuilderInterfaceDefinition() {
+ return UtilConstants.INTERFACE + UtilConstants.SPACE + UtilConstants.BUILDER + UtilConstants.SPACE
+ + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE;
+ }
+
+ /**
+ * Returns builder file class definition.
+ *
+ * @param yangName file name
+ * @return definition
+ */
+ private static String getBuilderClassDefinition(String yangName) {
+
+ return UtilConstants.PUBLIC + UtilConstants.SPACE + UtilConstants.CLASS + UtilConstants.SPACE + yangName
+ + UtilConstants.BUILDER + UtilConstants.SPACE + UtilConstants.IMPLEMENTS + UtilConstants.SPACE
+ + yangName + UtilConstants.PERIOD + UtilConstants.BUILDER + UtilConstants.SPACE
+ + UtilConstants.OPEN_CURLY_BRACKET + UtilConstants.NEW_LINE;
+ }
+
+ /**
+ * Returns impl file class definition.
+ *
+ * @param yangName file name
+ * @return definition
+ */
+ private static String getImplClassDefinition(String yangName) {
+
+ return UtilConstants.PUBLIC + UtilConstants.SPACE + UtilConstants.FINAL + UtilConstants.SPACE
+ + UtilConstants.CLASS + UtilConstants.SPACE + yangName + UtilConstants.IMPL + UtilConstants.SPACE
+ + UtilConstants.IMPLEMENTS + UtilConstants.SPACE + yangName + UtilConstants.OPEN_CURLY_BRACKET
+ + UtilConstants.SPACE + UtilConstants.NEW_LINE;
+ }
+
+}