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.artifact.Artifact;

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

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

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

 import org.apache.maven.shared.jar.identification.hash.JarHashAnalyzer;

 import org.apache.maven.shared.jar.identification.repository.RepositoryHashSearch;

 import org.codehaus.plexus.logging.AbstractLogEnabled;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 /**

  * Exposer that examines a Maven repository for identical files to the JAR being analyzed. It will look for both

  * identical files, and files with identical classes.

  * <p/>

  * Note: if not using Plexus, you must call the following methods to be able to expose any data from the class:

  * {@link #setBytecodeHashAnalyzer(org.apache.maven.shared.jar.identification.hash.JarHashAnalyzer)},

  * {@link #setFileHashAnalyzer(org.apache.maven.shared.jar.identification.hash.JarHashAnalyzer)},

  * {@link #setRepositoryHashSearch(org.apache.maven.shared.jar.identification.repository.RepositoryHashSearch)}

  *

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

  */

 public class RepositorySearchExposer

     extends AbstractLogEnabled

     implements JarIdentificationExposer

 {

     /**

      * The repository searcher to use.

      *

      * @plexus.requirement

      * @todo this currently only provides for the 'empty' repository search, which isn't very useful

      */

     private RepositoryHashSearch repositoryHashSearch;

     /**

      * The hash analyzer for the entire file.

      *

      * @plexus.requirement role-hint="file"

      */

     private JarHashAnalyzer fileHashAnalyzer;

     /**

      * The hash analyzer for the file's bytecode.

      *

      * @plexus.requirement role-hint="bytecode"

      */

     private JarHashAnalyzer bytecodeHashAnalyzer;

     public void expose( JarIdentification identification, JarAnalyzer jarAnalyzer )

     {

         List repohits = new ArrayList();

         String hash = fileHashAnalyzer.computeHash( jarAnalyzer );

         if ( hash != null )

         {

             repohits.addAll( repositoryHashSearch.searchFileHash( hash ) );

         }

         String bytecodehash = bytecodeHashAnalyzer.computeHash( jarAnalyzer );

         if ( bytecodehash != null )

         {

             repohits.addAll( repositoryHashSearch.searchBytecodeHash( bytecodehash ) );

         }

         if ( !repohits.isEmpty() )

         {

             // Found hits in the repository.

             Iterator it = repohits.iterator();

             while ( it.hasNext() )

             {

                 Artifact artifact = (Artifact) it.next();

                 identification.addAndSetGroupId( artifact.getGroupId() );

                 identification.addAndSetArtifactId( artifact.getArtifactId() );

                 identification.addAndSetVersion( artifact.getVersion() );

             }

         }

     }

     public void setRepositoryHashSearch( RepositoryHashSearch repo )

     {

         this.repositoryHashSearch = repo;

     }

     public void setFileHashAnalyzer( JarHashAnalyzer fileHashAnalyzer )

     {

         this.fileHashAnalyzer = fileHashAnalyzer;

     }

     public void setBytecodeHashAnalyzer( JarHashAnalyzer bytecodeHashAnalyzer )

     {

         this.bytecodeHashAnalyzer = bytecodeHashAnalyzer;

     }

 }