package org.apache.maven.plugin.install;
   
   /*
    * 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.artifact.installer.ArtifactInstallationException;
  import org.apache.maven.artifact.metadata.ArtifactMetadata;
  import org.apache.maven.artifact.repository.DefaultArtifactRepository;
  import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
  import org.apache.maven.model.Model;
  import org.apache.maven.model.Parent;
  import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
  import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.project.artifact.ProjectArtifactMetadata;
  import org.apache.maven.project.validation.ModelValidationResult;
  import org.apache.maven.project.validation.ModelValidator;
  import org.codehaus.plexus.util.IOUtil;
  import org.codehaus.plexus.util.ReaderFactory;
  import org.codehaus.plexus.util.WriterFactory;
  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.Reader;
  import java.io.Writer;
  import java.net.MalformedURLException;
  import java.util.Map;
  
  /**
   * Installs a file in the local repository.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   * @version $Id: InstallFileMojo.java 942550 2010-05-09 15:19:07Z krosenvold $
   * @goal install-file
   * @requiresProject false
   * @aggregator
   * @threadSafe
   */
  public class InstallFileMojo
      extends AbstractInstallMojo
  {
  
      /**
       * GroupId of the artifact to be installed. Retrieved from POM file if one is specified.
       *
       * @parameter expression="${groupId}"
       */
      protected String groupId;
  
      /**
       * ArtifactId of the artifact to be installed. Retrieved from POM file if one is specified.
       *
       * @parameter expression="${artifactId}"
       */
      protected String artifactId;
  
      /**
       * Version of the artifact to be installed. Retrieved from POM file if one is specified.
       *
       * @parameter expression="${version}"
       */
      protected String version;
  
      /**
       * Packaging type of the artifact to be installed. Retrieved from POM file if one is specified.
       *
       * @parameter expression="${packaging}"
       */
      protected String packaging;
  
      /**
       * Classifier type of the artifact to be installed. For example, "sources" or "javadoc". Defaults to none which
       * means this is the project's main artifact.
       *
       * @parameter expression="${classifier}"
       * @since 2.2
       */
      protected String classifier;
  
     /**
      * The file to be installed in the local repository.
      *
      * @parameter expression="${file}"
      * @required
      */
     private File file;
 
     /**
      * The bundled API docs for the artifact.
      *
      * @parameter expression="${javadoc}"
      * @since 2.3
      */
     private File javadoc;
 
     /**
      * The bundled sources for the artifact.
      *
      * @parameter expression="${sources}"
      * @since 2.3
      */
     private File sources;
 
     /**
      * Location of an existing POM file to be installed alongside the main artifact, given by the {@link #file}
      * parameter.
      *
      * @parameter expression="${pomFile}"
      * @since 2.1
      */
     private File pomFile;
 
     /**
      * Generate a minimal POM for the artifact if none is supplied via the parameter {@link #pomFile}. Defaults to
      * <code>true</code> if there is no existing POM in the local repository yet.
      *
      * @parameter expression="${generatePom}"
      * @since 2.1
      */
     private Boolean generatePom;
 
     /**
      * The type of remote repository layout to install to. Try <code>legacy</code> for a Maven 1.x-style repository
      * layout.
      *
      * @parameter expression="${repositoryLayout}" default-value="default"
      * @required
      * @since 2.2
      */
     private String repositoryLayout;
 
     /**
      * Map that contains the repository layouts.
      *
      * @component role="org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout"
      */
     private Map repositoryLayouts;
 
     /**
      * The path for a specific local repository directory. If not specified the local repository path configured in the
      * Maven settings will be used.
      *
      * @parameter expression="${localRepositoryPath}"
      * @since 2.2
      */
     private File localRepositoryPath;
 
     /**
      * The component used to validate the user-supplied artifact coordinates.
      *
      * @component
      */
     private ModelValidator modelValidator;
 
     /**
      * @see org.apache.maven.plugin.Mojo#execute()
      */
     public void execute()
         throws MojoExecutionException, MojoFailureException
     {
         // ----------------------------------------------------------------------
         // Override the default localRepository variable
         // ----------------------------------------------------------------------
         if ( localRepositoryPath != null )
         {
             try
             {
                 ArtifactRepositoryLayout layout = (ArtifactRepositoryLayout) repositoryLayouts.get( repositoryLayout );
                 getLog().debug( "Layout: " + layout.getClass() );
 
                 localRepository =
                     new DefaultArtifactRepository( localRepository.getId(), localRepositoryPath.toURL().toString(),
                                                    layout );
             }
             catch ( MalformedURLException e )
             {
                 throw new MojoExecutionException( "MalformedURLException: " + e.getMessage(), e );
             }
         }
 
         if ( pomFile != null )
         {
             processModel( readModel( pomFile ) );
         }
 
         validateArtifactInformation();
 
         Artifact artifact =
             artifactFactory.createArtifactWithClassifier( groupId, artifactId, version, packaging, classifier );
 
         if ( file.equals( getLocalRepoFile( artifact ) ) )
         {
             throw new MojoFailureException( "Cannot install artifact. "
                 + "Artifact is already in the local repository.\n\nFile in question is: " + file + "\n" );
         }
 
         File generatedPomFile = null;
 
         if ( !"pom".equals( packaging ) )
         {
             if ( pomFile != null )
             {
                 ArtifactMetadata pomMetadata = new ProjectArtifactMetadata( artifact, pomFile );
                 artifact.addMetadata( pomMetadata );
             }
             else
             {
                 generatedPomFile = generatePomFile();
                 ArtifactMetadata pomMetadata = new ProjectArtifactMetadata( artifact, generatedPomFile );
                 if ( Boolean.TRUE.equals( generatePom )
                     || ( generatePom == null && !getLocalRepoFile( pomMetadata ).exists() ) )
                 {
                     getLog().debug( "Installing generated POM" );
                     artifact.addMetadata( pomMetadata );
                 }
                 else if ( generatePom == null )
                 {
                     getLog().debug( "Skipping installation of generated POM, already present in local repository" );
                 }
             }
         }
 
         if ( updateReleaseInfo )
         {
             artifact.setRelease( true );
         }
 
         // TODO: maybe not strictly correct, while we should enforce that packaging has a type handler of the same id,
         // we don't
         try
         {
             installer.install( file, artifact, localRepository );
             installChecksums( artifact );
         }
         catch ( ArtifactInstallationException e )
         {
             throw new MojoExecutionException( "Error installing artifact '" + artifact.getDependencyConflictId()
                 + "': " + e.getMessage(), e );
         }
         finally
         {
             if ( generatedPomFile != null )
             {
                 generatedPomFile.delete();
             }
         }
 
         if ( sources != null )
         {
             artifact = artifactFactory.createArtifactWithClassifier( groupId, artifactId, version, "jar", "sources" );
             try
             {
                 installer.install( sources, artifact, localRepository );
                 installChecksums( artifact );
             }
             catch ( ArtifactInstallationException e )
             {
                 throw new MojoExecutionException( "Error installing sources " + sources + ": " + e.getMessage(), e );
             }
         }
 
         if ( javadoc != null )
         {
             artifact = artifactFactory.createArtifactWithClassifier( groupId, artifactId, version, "jar", "javadoc" );
             try
             {
                 installer.install( javadoc, artifact, localRepository );
                 installChecksums( artifact );
             }
             catch ( ArtifactInstallationException e )
             {
                 throw new MojoExecutionException( "Error installing API docs " + javadoc + ": " + e.getMessage(), e );
             }
         }
     }
 
     /**
      * Parses a POM.
      *
      * @param pomFile The path of the POM file to parse, must not be <code>null</code>.
      * @return The model from the POM file, never <code>null</code>.
      * @throws MojoExecutionException If the POM could not be parsed.
      */
     private Model readModel( File pomFile )
         throws MojoExecutionException
     {
         Reader reader = null;
         try
         {
             reader = ReaderFactory.newXmlReader( pomFile );
             return new MavenXpp3Reader().read( reader );
         }
         catch ( FileNotFoundException e )
         {
             throw new MojoExecutionException( "File not found " + pomFile, e );
         }
         catch ( IOException e )
         {
             throw new MojoExecutionException( "Error reading POM " + pomFile, e );
         }
         catch ( XmlPullParserException e )
         {
             throw new MojoExecutionException( "Error parsing POM " + pomFile, e );
         }
         finally
         {
             IOUtil.close( reader );
         }
     }
 
     /**
      * Populates missing mojo parameters from the specified POM.
      *
      * @param model The POM to extract missing artifact coordinates from, must not be <code>null</code>.
      */
     private void processModel( Model model )
     {
         Parent parent = model.getParent();
 
         if ( this.groupId == null )
         {
             this.groupId = model.getGroupId();
             if ( this.groupId == null && parent != null )
             {
                 this.groupId = parent.getGroupId();
             }
         }
         if ( this.artifactId == null )
         {
             this.artifactId = model.getArtifactId();
         }
         if ( this.version == null )
         {
             this.version = model.getVersion();
             if ( this.version == null && parent != null )
             {
                 this.version = parent.getVersion();
             }
         }
         if ( this.packaging == null )
         {
             this.packaging = model.getPackaging();
         }
     }
 
     /**
      * Validates the user-supplied artifact information.
      *
      * @throws MojoExecutionException If any artifact coordinate is invalid.
      */
     private void validateArtifactInformation()
         throws MojoExecutionException
     {
         Model model = generateModel();
 
         ModelValidationResult result = modelValidator.validate( model );
 
         if ( result.getMessageCount() > 0 )
         {
             throw new MojoExecutionException( "The artifact information is incomplete or not valid:\n"
                 + result.render( "  " ) );
         }
     }
 
     /**
      * Generates a minimal model from the user-supplied artifact information.
      *
      * @return The generated model, never <code>null</code>.
      */
     private Model generateModel()
     {
         Model model = new Model();
 
         model.setModelVersion( "4.0.0" );
 
         model.setGroupId( groupId );
         model.setArtifactId( artifactId );
         model.setVersion( version );
         model.setPackaging( packaging );
 
         model.setDescription( "POM was created from install:install-file" );
 
         return model;
     }
 
     /**
      * Generates a (temporary) POM file from the plugin configuration. It's the responsibility of the caller to delete
      * the generated file when no longer needed.
      *
      * @return The path to the generated POM file, never <code>null</code>.
      * @throws MojoExecutionException If the POM file could not be generated.
      */
     private File generatePomFile()
         throws MojoExecutionException
     {
         Model model = generateModel();
 
         Writer writer = null;
         try
         {
             File pomFile = File.createTempFile( "mvninstall", ".pom" );
 
             writer = WriterFactory.newXmlWriter( pomFile );
             new MavenXpp3Writer().write( writer, model );
 
             return pomFile;
         }
         catch ( IOException e )
         {
             throw new MojoExecutionException( "Error writing temporary POM file: " + e.getMessage(), e );
         }
         finally
         {
             IOUtil.close( writer );
         }
     }
 
     /**
      * @return the localRepositoryPath
      */
     public File getLocalRepositoryPath()
     {
         return this.localRepositoryPath;
     }
 
     /**
      * @param theLocalRepositoryPath the localRepositoryPath to set
      */
     public void setLocalRepositoryPath( File theLocalRepositoryPath )
     {
         this.localRepositoryPath = theLocalRepositoryPath;
     }
 
 }