package org.apache.maven.plugin.dependency;

 /*

  * 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.doxia.sink.Sink;

 import org.apache.maven.doxia.siterenderer.Renderer;

 import org.apache.maven.plugins.annotations.Component;

 import org.apache.maven.plugins.annotations.Execute;

 import org.apache.maven.plugins.annotations.LifecyclePhase;

 import org.apache.maven.plugins.annotations.Mojo;

 import org.apache.maven.plugins.annotations.Parameter;

 import org.apache.maven.plugins.annotations.ResolutionScope;

 import org.apache.maven.project.MavenProject;

 import org.apache.maven.reporting.AbstractMavenReport;

 import org.apache.maven.reporting.MavenReportException;

 import org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalysis;

 import org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalyzer;

 import org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalyzerException;

 import java.io.File;

 import java.util.HashSet;

 import java.util.Iterator;

 import java.util.Locale;

 import java.util.ResourceBundle;

 import java.util.Set;

 /**

  * Analyzes the dependencies of this project and produces a report that summarizes which are: used and declared; used

  * and undeclared; unused and declared.

  *

  * @version $Id: AnalyzeReportMojo.java 1367274 2012-07-30 20:32:05Z hboutemy $

  * @since 2.0-alpha-5

  */

 @Mojo( name = "analyze-report", requiresDependencyResolution = ResolutionScope.TEST )

 @Execute( phase = LifecyclePhase.TEST_COMPILE )

 public class AnalyzeReportMojo

     extends AbstractMavenReport

 {

     // fields -----------------------------------------------------------------

     /**

      * The Maven project to analyze.

      */

     @Parameter

     private MavenProject project;

     /**

      * The Maven project dependency analyzer to use.

      */

     @Component

     private ProjectDependencyAnalyzer analyzer;

     /**

      *

      */

     @Component

     private Renderer siteRenderer;

     /**

      * Target folder

      *

      * @since 2.0-alpha-5

      */

     @Parameter( defaultValue = "${project.build.directory}", readonly = true )

     private File outputDirectory;

     /**

      * Ignore Runtime,Provide,Test,System scopes for unused dependency analysis

      */

     @Parameter( property = "ignoreNonCompile", defaultValue = "false" )

     private boolean ignoreNonCompile;

     // Mojo methods -----------------------------------------------------------

     /*

      * @see org.apache.maven.plugin.Mojo#execute()

      */

     public void executeReport( Locale locale )

         throws MavenReportException

     {

         // Step 0: Checking pom availability

         if ( "pom".equals( project.getPackaging() ) )

         {

             getLog().info( "Skipping pom project" );

             return;

         }

         if ( outputDirectory == null || !outputDirectory.exists() )

         {

             getLog().info( "Skipping project with no Target directory" );

             return;

         }

         // Step 1: Analyze the project

         ProjectDependencyAnalysis analysis = null;

         try

         {

             analysis = analyzer.analyze( project );

         }

         catch ( ProjectDependencyAnalyzerException exception )

         {

             throw new MavenReportException( "Cannot analyze dependencies", exception );

         }

         //remove everything that's not in the compile scope

         if ( ignoreNonCompile )

         {

             @SuppressWarnings( "unchecked" ) Set<Artifact> filteredUnusedDeclared =

                 new HashSet<Artifact>( analysis.getUnusedDeclaredArtifacts() );

             Iterator<Artifact> iter = filteredUnusedDeclared.iterator();

             while ( iter.hasNext() )

             {

                 Artifact artifact = iter.next();

                 if ( !artifact.getScope().equals( Artifact.SCOPE_COMPILE ) )

                 {

                     iter.remove();

                 }

             }

             ProjectDependencyAnalysis analysisTemp =

                 new ProjectDependencyAnalysis( analysis.getUsedDeclaredArtifacts(),

                                                analysis.getUsedUndeclaredArtifacts(), filteredUnusedDeclared );

             analysis = analysisTemp;

         }

         // Step 2: Create sink and bundle

         Sink sink = getSink();

         ResourceBundle bundle = getBundle( locale );

         // Step 3: Generate the report

         AnalyzeReportView analyzethis = new AnalyzeReportView();

         analyzethis.generateReport( analysis, sink, bundle );

     }

     // MavenReport methods ----------------------------------------------------

     /*

      * @see org.apache.maven.reporting.AbstractMavenReport#getOutputName()

      */

     public String getOutputName()

     {

         return "dependency-analysis";

     }

     /*

      * @see org.apache.maven.reporting.AbstractMavenReport#getName(java.util.Locale)

      */

     public String getName( Locale locale )

     {

         return getBundle( locale ).getString( "analyze.report.name" );

     }

     /*

      * @see org.apache.maven.reporting.AbstractMavenReport#getDescription(java.util.Locale)

      */

     public String getDescription( Locale locale )

     {

         return getBundle( locale ).getString( "analyze.report.description" );

     }

     // AbstractMavenReport methods --------------------------------------------

     /*

      * @see org.apache.maven.reporting.AbstractMavenReport#getProject()

      */

     protected MavenProject getProject()

     {

         return project;

     }

     /*

      * @see org.apache.maven.reporting.AbstractMavenReport#getOutputDirectory()

      */

     protected String getOutputDirectory()

     {

         getLog().info( outputDirectory.toString() );

         return outputDirectory.toString();

     }

     /*

      * @see org.apache.maven.reporting.AbstractMavenReport#getSiteRenderer()

      */

     protected Renderer getSiteRenderer()

     {

         return siteRenderer;

     }

     // protected methods ------------------------------------------------------

     /**

      * @param locale the current locale

      */

     protected ResourceBundle getBundle( Locale locale )

     {

         return ResourceBundle.getBundle( "analyze-report", locale, this.getClass().getClassLoader() );

     }

 }