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.identification.JarIdentification;

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

 import java.util.Iterator;

 import java.util.Map;

 import java.util.jar.Attributes;

 import java.util.jar.Manifest;

 /**

  * Exposer that examines a JAR's manifest to derive Maven metadata.

  *

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

  */

 public class ManifestExposer

     implements JarIdentificationExposer

 {

     public void expose( JarIdentification identification, JarAnalyzer jarAnalyzer )

     {

         Manifest manifest = jarAnalyzer.getJarData().getManifest();

         if ( manifest != null )

         {

             addManifestAttributeValues( manifest.getMainAttributes(), identification );

             Map entries = manifest.getEntries();

             Iterator itentries = entries.entrySet().iterator();

             while ( itentries.hasNext() )

             {

                 Map.Entry entry = (Map.Entry) itentries.next();

                 Attributes attribs = (Attributes) entry.getValue();

                 addManifestAttributeValues( attribs, identification );

             }

         }

     }

     private void addManifestAttributeValues( Attributes attribs, JarIdentification identification )

     {

         identification.addName( attribs.getValue( Attributes.Name.IMPLEMENTATION_TITLE ) );

         identification.addVersion( attribs.getValue( Attributes.Name.IMPLEMENTATION_VERSION ) );

         identification.addVendor( attribs.getValue( Attributes.Name.IMPLEMENTATION_VENDOR ) );

         identification.addName( attribs.getValue( Attributes.Name.SPECIFICATION_TITLE ) );

         identification.addVersion( attribs.getValue( Attributes.Name.SPECIFICATION_VERSION ) );

         identification.addVendor( attribs.getValue( Attributes.Name.SPECIFICATION_VENDOR ) );

         identification.addGroupId( attribs.getValue( Attributes.Name.EXTENSION_NAME ) );

     }

 }