[ONOS-3878] Addressed Unwanted Warning in Listener's Framework

Change-Id: I41cc51a4cbbd4732f631c5e82808f1f3131757e3

@@ -152,11 +152,43 @@
                 <configuration>
                 <configuration>
                     <sourceDirectory>src/main/resources</sourceDirectory>
                     <sourceDirectory>src/main/resources</sourceDirectory>
                     <outputDirectory>target/generated-sources/org/onosproject/yangutils/parser/antlrgencode</outputDirectory>
                     <outputDirectory>target/generated-sources/org/onosproject/yangutils/parser/antlrgencode</outputDirectory>
-                    <visitor>true</visitor>
+                    <visitor>false</visitor>
                     <listener>true</listener>
                     <listener>true</listener>
                 </configuration>
                 </configuration>
             </plugin>
             </plugin>
             <plugin>
             <plugin>
+                <artifactId>maven-clean-plugin</artifactId>
+                <version>3.0.0</version>
+                <executions>
+                    <execution>
+                        <id>Deleting auto-generated listener interfaces</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>clean</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <excludeDefaultDirectories>true</excludeDefaultDirectories>
+                    <filesets>
+                        <fileset>
+                            <directory>target</directory>
+                            <followSymlinks>false</followSymlinks>
+                            <useDefaultExcludes>true</useDefaultExcludes>
+                            <excludes>
+                                <exclude>**/generated-sources/org/onosproject/yangutils/parser/antlrgencode/GeneratedYangLexer.java</exclude>
+                                <exclude>**/generated-sources/org/onosproject/yangutils/parser/antlrgencode/GeneratedYang.tokens</exclude>
+                                <exclude>**/generated-sources/org/onosproject/yangutils/parser/antlrgencode/GeneratedYangParser.java</exclude>
+                                <exclude>**/generated-sources/org/onosproject/yangutils/parser/antlrgencode/GeneratedYangLexer.tokens</exclude>
+                                <exclude>**/generated-sources/org/onosproject/yangutils/parser/antlrgencode/YangLexer.java</exclude>
+                                <exclude>**/generated-sources/org/onosproject/yangutils/parser/antlrgencode/YangLexer.tokens</exclude>
+                            </excludes>
+                        </fileset>
+                    </filesets>
+                    <verbose>true</verbose>
+                </configuration>
+            </plugin>
+            <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>build-helper-maven-plugin</artifactId>
                 <artifactId>build-helper-maven-plugin</artifactId>
                 <version>1.10</version>
                 <version>1.10</version>
@@ -176,16 +208,6 @@
                 </executions>
                 </executions>
             </plugin>
             </plugin>
             <plugin>
             <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.10.3</version>
-                <configuration>
-                    <excludePackageNames>
-                        *.org.onosproject.yangutils.parser.antlrgencode
-                    </excludePackageNames>
-                </configuration>
-            </plugin>
-            <plugin>
                 <groupId>org.apache.felix</groupId>
                 <groupId>org.apache.felix</groupId>
                 <artifactId>maven-bundle-plugin</artifactId>
                 <artifactId>maven-bundle-plugin</artifactId>
                 <extensions>true</extensions>
                 <extensions>true</extensions>

@@ -29,9 +29,10 @@ public interface YangUtilsParser {
     /**
     /**
      * It is an entry function to initiate the YANG file parsing.
      * It is an entry function to initiate the YANG file parsing.
      *
      *
-     * @param file input YANG file
-     * @return YangNode root node of the data model tree
-     * @throws ParserException when fails to get the data model
+     * @param file input YANG file.
+     * @return YangNode root node of the data model tree.
+     * @throws ParserException when fails to get the data model.
+     * @throws IOException when there is an exception in IO operation.
      */
      */
     YangNode getDataModel(String file) throws IOException, ParserException;
     YangNode getDataModel(String file) throws IOException, ParserException;
 }
 }

+/*
+ * 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.
+ */
+
+/**
+ * ANTLR interfaces to be implemented by listener.
+ */
+package org.onosproject.yangutils.parser.antlrgencode;
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