package org.apache.maven.shared.jar.identification.exposers;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.

  */

 import org.apache.maven.shared.jar.JarAnalyzer;

 import org.apache.maven.shared.jar.classes.JarClasses;

 import org.apache.maven.shared.jar.classes.JarClassesAnalysis;

 import org.apache.maven.shared.jar.identification.JarIdentification;

 import org.apache.maven.shared.jar.identification.JarIdentificationExposer;

 import java.util.Iterator;

 /**

  * Exposer that examines a JAR file to derive Maven metadata from the classes in a JAR. It will currently identify

  * potential group IDs from the class packages.

  * <p/>

  * Note: if not being used from Plexus, the {@link #setAnalyzer(org.apache.maven.shared.jar.classes.JarClassesAnalysis)}

  * method must be called to avoid a NullPointerException during the expose method.

  *

  * @plexus.component role="org.apache.maven.shared.jar.identification.JarIdentificationExposer" role-hint="jarClasses"

  */

 public class JarClassesExposer

     implements JarIdentificationExposer

 {

     /**

      * @plexus.requirement

      */

     private JarClassesAnalysis analyzer;

     public void expose( JarIdentification identification, JarAnalyzer jarAnalyzer )

     {

         JarClasses jarclasses = analyzer.analyze( jarAnalyzer );

         Iterator it = jarclasses.getPackages().iterator();

         while ( it.hasNext() )

         {

             String packagename = (String) it.next();

             identification.addGroupId( packagename );

         }

     }

     public void setAnalyzer( JarClassesAnalysis analyzer )

     {

         this.analyzer = analyzer;

     }

 }