diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/parser/impl/listeners/TypeListener.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/parser/impl/listeners/TypeListener.java
new file mode 100644
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--- /dev/null
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/parser/impl/listeners/TypeListener.java
@@ -0,0 +1,268 @@
+/*
+ * 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.parser.impl.listeners;
+
+import org.onosproject.yangutils.datamodel.YangDataTypes;
+import org.onosproject.yangutils.datamodel.YangDerivedInfo;
+import org.onosproject.yangutils.datamodel.YangLeaf;
+import org.onosproject.yangutils.datamodel.YangLeafList;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangNodeIdentifier;
+import org.onosproject.yangutils.datamodel.YangType;
+import org.onosproject.yangutils.datamodel.YangTypeDef;
+import org.onosproject.yangutils.datamodel.YangUnion;
+import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
+import org.onosproject.yangutils.datamodel.utils.Parsable;
+import org.onosproject.yangutils.linker.impl.YangResolutionInfoImpl;
+import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+
+import static org.onosproject.yangutils.datamodel.utils.DataModelUtils.addResolutionInfo;
+import static org.onosproject.yangutils.datamodel.utils.GeneratedLanguage.JAVA_GENERATION;
+import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.UNRESOLVED;
+import static org.onosproject.yangutils.datamodel.utils.YangConstructType.TYPE_DATA;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.ENTRY;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.EXIT;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructExtendedListenerErrorMessage;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructListenerErrorMessage;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.INVALID_HOLDER;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.MISSING_CURRENT_HOLDER;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.MISSING_HOLDER;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.UNHANDLED_PARSED_DATA;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerUtil.getValidNodeIdentifier;
+import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.checkStackIsNotEmpty;
+import static org.onosproject.yangutils.translator.tojava.YangDataModelFactory.getYangType;
+
+/*
+ * Reference: RFC6020 and YANG ANTLR Grammar
+ *
+ * ABNF grammar as per RFC6020
+ *  type-stmt           = type-keyword sep identifier-ref-arg-str optsep
+ *                        (";" /
+ *                         "{" stmtsep
+ *                            type-body-stmts
+ *                         "}")
+ *
+ * ANTLR grammar rule
+ * typeStatement : TYPE_KEYWORD string (STMTEND | LEFT_CURLY_BRACE typeBodyStatements RIGHT_CURLY_BRACE);
+ */
+
+/**
+ * Represents listener based call back function corresponding to the "type" rule
+ * defined in ANTLR grammar file for corresponding ABNF rule in RFC 6020.
+ */
+public final class TypeListener {
+
+    /**
+     * Creates a new type listener.
+     */
+    private TypeListener() {
+    }
+
+    /**
+     * It is called when parser receives an input matching the grammar rule
+     * (type), performs validation and updates the data model tree.
+     *
+     * @param listener listener's object
+     * @param ctx      context object of the grammar rule
+     */
+    public static void processTypeEntry(TreeWalkListener listener,
+                                        GeneratedYangParser.TypeStatementContext ctx) {
+
+        // Check for stack to be non empty.
+        checkStackIsNotEmpty(listener, MISSING_HOLDER, TYPE_DATA, ctx.string().getText(), ENTRY);
+
+        // Validate node identifier.
+        YangNodeIdentifier nodeIdentifier = getValidNodeIdentifier(ctx.string().getText(), TYPE_DATA,
+                ctx);
+
+        // Obtain the YANG data type.
+        YangDataTypes yangDataTypes = YangDataTypes.getType(ctx.string().getText());
+
+        // Create YANG type object and fill the values.
+        YangType<?> type = getYangType(JAVA_GENERATION);
+        type.setNodeIdentifier(nodeIdentifier);
+        type.setDataType(yangDataTypes);
+
+        int errorLine = ctx.getStart().getLine();
+        int errorPosition = ctx.getStart().getCharPositionInLine();
+
+        Parsable tmpData = listener.getParsedDataStack().peek();
+        switch (tmpData.getYangConstructType()) {
+            case LEAF_DATA:
+                YangLeaf leaf = (YangLeaf) tmpData;
+                leaf.setDataType(type);
+
+                /*
+                 * If data type is derived, resolution information to be added
+                 * in resolution list.
+                 */
+                if (yangDataTypes == YangDataTypes.DERIVED) {
+                    // Parent YANG node of leaf to be added in resolution information.
+                    Parsable leafData = listener.getParsedDataStack().pop();
+                    Parsable parentNodeOfLeaf = listener.getParsedDataStack().peek();
+                    listener.getParsedDataStack().push(leafData);
+
+                    // Verify parent node of leaf
+                    if (!(parentNodeOfLeaf instanceof YangNode)) {
+                        throw new ParserException(constructListenerErrorMessage(INVALID_HOLDER, TYPE_DATA,
+                                ctx.string().getText(), EXIT));
+                    }
+
+                    // Create empty derived info and attach it to type extended info.
+                    YangDerivedInfo<?> yangDerivedInfo = new YangDerivedInfo<>();
+                    ((YangType<YangDerivedInfo>) type).setDataTypeExtendedInfo(yangDerivedInfo);
+
+                    type.setResolvableStatus(UNRESOLVED);
+
+                    // Add resolution information to the list
+                    YangResolutionInfoImpl resolutionInfo = new YangResolutionInfoImpl<YangType>(type,
+                            (YangNode) parentNodeOfLeaf, errorLine, errorPosition);
+                    addToResolutionList(resolutionInfo, ctx);
+                }
+                break;
+            case LEAF_LIST_DATA:
+                YangLeafList leafList = (YangLeafList) tmpData;
+                leafList.setDataType(type);
+
+                /*
+                 * If data type is derived, resolution information to be added
+                 * in resolution list.
+                 */
+                if (yangDataTypes == YangDataTypes.DERIVED) {
+                    // Parent YANG node of leaf list to be added in resolution information.
+                    Parsable leafListData = listener.getParsedDataStack().pop();
+                    Parsable parentNodeOfLeafList = listener.getParsedDataStack().peek();
+                    listener.getParsedDataStack().push(leafListData);
+
+                    // Verify parent node of leaf
+                    if (!(parentNodeOfLeafList instanceof YangNode)) {
+                        throw new ParserException(constructListenerErrorMessage(INVALID_HOLDER, TYPE_DATA,
+                                ctx.string().getText(), EXIT));
+                    }
+
+                    // Create empty derived info and attach it to type extended info.
+                    YangDerivedInfo<?> yangDerivedInfo = new YangDerivedInfo<>();
+                    ((YangType<YangDerivedInfo>) type).setDataTypeExtendedInfo(yangDerivedInfo);
+
+                    // Add resolution information to the list
+                    YangResolutionInfoImpl resolutionInfo =
+                            new YangResolutionInfoImpl<YangType>(type, (YangNode) parentNodeOfLeafList, errorLine,
+                                    errorPosition);
+                    addToResolutionList(resolutionInfo, ctx);
+                }
+                break;
+            case UNION_DATA:
+                YangUnion unionNode = (YangUnion) tmpData;
+                try {
+                    unionNode.addType(type);
+                } catch (DataModelException e) {
+                    ParserException parserException = new ParserException(e.getMessage());
+                    parserException.setLine(ctx.getStart().getLine());
+                    parserException.setCharPosition(ctx.getStart().getCharPositionInLine());
+                    throw parserException;
+                }
+
+                /*
+                 * If data type is derived, resolution information to be added
+                 * in resolution list.
+                 */
+                if (yangDataTypes == YangDataTypes.DERIVED) {
+
+                    // Create empty derived info and attach it to type extended info.
+                    YangDerivedInfo<?> yangDerivedInfo = new YangDerivedInfo<>();
+                    ((YangType<YangDerivedInfo>) type).setDataTypeExtendedInfo(yangDerivedInfo);
+
+                    type.setResolvableStatus(UNRESOLVED);
+
+                    // Add resolution information to the list
+                    YangResolutionInfoImpl resolutionInfo =
+                            new YangResolutionInfoImpl<YangType>(type, unionNode, errorLine, errorPosition);
+                    addToResolutionList(resolutionInfo, ctx);
+                }
+
+                break;
+            case TYPEDEF_DATA:
+                /* Prepare the base type info and set in derived type */
+                YangTypeDef typeDef = (YangTypeDef) tmpData;
+                typeDef.setDataType(type);
+
+                /*
+                 * If data type is derived, resolution information to be added
+                 * in resolution list.
+                 */
+                if (yangDataTypes == YangDataTypes.DERIVED) {
+                    // Create empty derived info and attach it to type extended info.
+                    YangDerivedInfo<?> yangDerivedInfo = new YangDerivedInfo<>();
+                    ((YangType<YangDerivedInfo>) type).setDataTypeExtendedInfo(yangDerivedInfo);
+
+                    type.setResolvableStatus(UNRESOLVED);
+
+                    // Add resolution information to the list
+                    YangResolutionInfoImpl resolutionInfo =
+                            new YangResolutionInfoImpl<YangType>(type, typeDef, errorLine, errorPosition);
+                    addToResolutionList(resolutionInfo, ctx);
+                }
+                break;
+            //TODO: deviate replacement statement.
+
+            default:
+                throw new ParserException(constructListenerErrorMessage(INVALID_HOLDER, TYPE_DATA,
+                        ctx.string().getText(), EXIT));
+        }
+
+        // Push the type to the stack.
+        listener.getParsedDataStack().push(type);
+    }
+
+    /**
+     * It is called when parser exits from grammar rule (type), it perform
+     * validations and update the data model tree.
+     *
+     * @param listener Listener's object
+     * @param ctx      context object of the grammar rule
+     */
+    public static void processTypeExit(TreeWalkListener listener,
+                                       GeneratedYangParser.TypeStatementContext ctx) {
+
+        // Check for stack to be non empty.
+        checkStackIsNotEmpty(listener, MISSING_CURRENT_HOLDER, TYPE_DATA, ctx.string().getText(), EXIT);
+
+        Parsable parsableType = listener.getParsedDataStack().pop();
+        if (!(parsableType instanceof YangType)) {
+            throw new ParserException(constructListenerErrorMessage(INVALID_HOLDER, TYPE_DATA,
+                    ctx.string().getText(), EXIT));
+        }
+    }
+
+    /**
+     * Adds to resolution list.
+     *
+     * @param resolutionInfo resolution information
+     * @param ctx            context object of the grammar rule
+     */
+    private static void addToResolutionList(YangResolutionInfoImpl<YangType> resolutionInfo,
+                                            GeneratedYangParser.TypeStatementContext ctx) {
+        try {
+            addResolutionInfo(resolutionInfo);
+        } catch (DataModelException e) {
+            throw new ParserException(constructExtendedListenerErrorMessage(UNHANDLED_PARSED_DATA,
+                    TYPE_DATA, ctx.string().getText(), ENTRY, e.getMessage()));
+        }
+    }
+}