package org.apache.maven.plugin.deploy;

 /*

  * 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.deployer.ArtifactDeploymentException;

 import org.apache.maven.artifact.metadata.ArtifactMetadata;

 import org.apache.maven.artifact.repository.ArtifactRepository;

 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.MavenProject;

 import org.apache.maven.project.MavenProjectHelper;

 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.FileUtils;

 import org.codehaus.plexus.util.IOUtil;

 import org.codehaus.plexus.util.ReaderFactory;

 import org.codehaus.plexus.util.StringUtils;

 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.lang.reflect.Type;

 import java.util.Iterator;

 import java.util.List;

 /**

  * Installs the artifact in the remote repository.

  *

  * @author <a href="mailto:aramirez@apache.org">Allan Ramirez</a>

  * @goal deploy-file

  * @requiresProject false

  * @threadSafe

  */

 public class DeployFileMojo

     extends AbstractDeployMojo

 {

     /**

      * The default Maven project created when building the plugin

      * 

      * @parameter default-value="${project}"

      * @required

      * @readonly

      */

     private MavenProject project;

     /**

      * Used for attaching the source and javadoc jars to the project.

      *

      * @component

      */

     private MavenProjectHelper projectHelper;

     /**

      * GroupId of the artifact to be deployed.  Retrieved from POM file if specified.

      *

      * @parameter expression="${groupId}"

      */

     private String groupId;

     /**

      * ArtifactId of the artifact to be deployed.  Retrieved from POM file if specified.

      *

      * @parameter expression="${artifactId}"

      */

     private String artifactId;

     /**

      * Version of the artifact to be deployed.  Retrieved from POM file if specified.

      *

      * @parameter expression="${version}"

      */

     private String version;

     /**

      * Type of the artifact to be deployed. 

      * Retrieved from the <packaging&gt element of the POM file if a POM file specified.

      * Defaults to the file extension if it is not specified via command line or POM.<br/>

      * Maven uses two terms to refer to this datum: the <packaging> element 

      * for the entire POM, and the <type> element in a dependency specification.

      * 

      *

      * @parameter expression="${packaging}"

      */

     private String packaging;

     /**

      * Description passed to a generated POM file (in case of generatePom=true)

      *

      * @parameter expression="${generatePom.description}"

      */

     private String description;

     /**

      * File to be deployed.

      *

      * @parameter expression="${file}"

      * @required

      */

     private File file;

     /**

      * The bundled API docs for the artifact.

      *

      * @parameter expression="${javadoc}"

      * @since 2.6

      */

     private File javadoc;

     /**

      * The bundled sources for the artifact.

      *

      * @parameter expression="${sources}"

      * @since 2.6

      */

     private File sources;

     /**

      * Server Id to map on the <id> under <server> section of settings.xml

      * In most cases, this parameter will be required for authentication.

      *

      * @parameter expression="${repositoryId}" default-value="remote-repository"

      * @required

      */

     private String repositoryId;

     /**

      * The type of remote repository layout to deploy to. Try <i>legacy</i> for 

      * a Maven 1.x-style repository layout.

      * 

      * @parameter expression="${repositoryLayout}" default-value="default"

      */

     private String repositoryLayout;

     /**

      * URL where the artifact will be deployed. <br/>

      * ie ( file:///C:/m2-repo or scp://host.com/path/to/repo )

      *

      * @parameter expression="${url}"

      * @required

      */

     private String url;

     /**

      * Location of an existing POM file to be deployed alongside the main

      * artifact, given by the ${file} parameter.

      * 

      * @parameter expression="${pomFile}"

      */

     private File pomFile;

     /**

      * Upload a POM for this artifact.  Will generate a default POM if none is

      * supplied with the pomFile argument.

      *

      * @parameter expression="${generatePom}" default-value="true"

      */

     private boolean generatePom;

     /**

      * Add classifier to the artifact

      *

      * @parameter expression="${classifier}";

      */

     private String classifier;

     /**

      * Whether to deploy snapshots with a unique version or not.

      *

      * @parameter expression="${uniqueVersion}" default-value="true"

      */

     private boolean uniqueVersion;

     /**

      * The component used to validate the user-supplied artifact coordinates.

      * 

      * @component

      */

     private ModelValidator modelValidator;

     /**

      * A comma separated list of types for each of the extra side artifacts to deploy. If there is a mis-match in

      * the number of entries in {@link #files} or {@link #classifiers}, then an error will be raised.

      *

      * @parameter expression="${types}";

      */

     private String types;

     /**

      * A comma separated list of classifiers for each of the extra side artifacts to deploy. If there is a mis-match in

      * the number of entries in {@link #files} or {@link #types}, then an error will be raised.

      *

      * @parameter expression="${classifiers}";

      */

     private String classifiers;

     /**

      * A comma separated list of files for each of the extra side artifacts to deploy. If there is a mis-match in

      * the number of entries in {@link #types} or {@link #classifiers}, then an error will be raised.

      *

      * @parameter expression="${files}"

      */

     private String files;

     void initProperties()

         throws MojoExecutionException

     {

         // Process the supplied POM (if there is one)

         if ( pomFile != null )

         {

             generatePom = false;

             Model model = readModel( pomFile );

             processModel( model );

         }

         if ( packaging == null && file != null )

         {

             packaging = FileUtils.getExtension( file.getName() );

         }

     }

     public void execute()

         throws MojoExecutionException, MojoFailureException

     {

         failIfOffline();

         if ( !file.exists() )

         {

             throw new MojoExecutionException( file.getPath() + " not found." );

         }

         initProperties();

         validateArtifactInformation();

         ArtifactRepositoryLayout layout = getLayout( repositoryLayout );

         ArtifactRepository deploymentRepository =

             repositoryFactory.createDeploymentArtifactRepository( repositoryId, url, layout, uniqueVersion );

         String protocol = deploymentRepository.getProtocol();

         if ( StringUtils.isEmpty( protocol ) )

         {

             throw new MojoExecutionException( "No transfer protocol found." );

         }

         // Create the artifact

         Artifact artifact =

             artifactFactory.createArtifactWithClassifier( groupId, artifactId, version, packaging, classifier );

         if ( file.equals( getLocalRepoFile( artifact ) ) )

         {

             throw new MojoFailureException( "Cannot deploy artifact from the local repository: " + file );

         }

         // Upload the POM if requested, generating one if need be

         if ( !"pom".equals( packaging ) )

         {

             if ( pomFile != null )

             {

                 ArtifactMetadata metadata = new ProjectArtifactMetadata( artifact, pomFile );

                 artifact.addMetadata( metadata );

             }

             else if ( generatePom )

             {

                 ArtifactMetadata metadata = new ProjectArtifactMetadata( artifact, generatePomFile() );

                 artifact.addMetadata( metadata );

             }

         }

         if ( updateReleaseInfo )

         {

             artifact.setRelease( true );

         }

         project.setArtifact( artifact );

         try

         {

             deploy( file, artifact, deploymentRepository, getLocalRepository() );

         }

         catch ( ArtifactDeploymentException e )

         {

             throw new MojoExecutionException( e.getMessage(), e );

         }

         if ( sources != null )

         {

             projectHelper.attachArtifact( project, "jar", "sources", sources );

         }

         if ( javadoc != null )

         {

             projectHelper.attachArtifact( project, "jar", "javadoc", javadoc );

         }

         if ( files != null )

         {

             if ( types == null )

             {

                 throw new MojoExecutionException( "You must specify 'types' if you specify 'files'" );

             }

             if ( classifiers == null )

             {

                 throw new MojoExecutionException( "You must specify 'classifiers' if you specify 'files'" );

             }

             int filesLength = StringUtils.countMatches( files, "," );

             int typesLength = StringUtils.countMatches( types, "," );

             int classifiersLength = StringUtils.countMatches( classifiers, "," );

             if ( typesLength != filesLength )

             {

                 throw new MojoExecutionException( "You must specify the same number of entries in 'files' and " +

                         "'types' (respectively " + filesLength + " and " + typesLength + " entries )" );

             }

             if ( classifiersLength != filesLength )

             {

                 throw new MojoExecutionException( "You must specify the same number of entries in 'files' and " +

                         "'classifiers' (respectively " + filesLength + " and " + classifiersLength + " entries )" );

             }

             int fi = 0;

             int ti = 0;

             int ci = 0;

             for ( int i = 0; i <= filesLength; i++ )

             {

                 int nfi = files.indexOf( ',', fi );

                 if ( nfi == -1 )

                 {

                     nfi = files.length();

                 }

                 int nti = types.indexOf( ',', ti );

                 if ( nti == -1 )

                 {

                     nti = types.length();

                 }

                 int nci = classifiers.indexOf( ',', ci );

                 if ( nci == -1 )

                 {

                     nci = classifiers.length();

                 }

                 File file = new File( files.substring( fi, nfi ) );

                 if ( !file.isFile() )

                 {

                     // try relative to the project basedir just in case

                     file = new File( project.getBasedir(), files.substring( fi, nfi ) );

                 }

                 if ( file.isFile() )

                 {

                     if ( StringUtils.isWhitespace( classifiers.substring( ci, nci ) ) )

                     {

                         projectHelper.attachArtifact( project, types.substring( ti, nti ).trim(), file );

                     }

                     else

                     {

                         projectHelper.attachArtifact( project, types.substring( ti, nti).trim(), 

                                 classifiers.substring( ci, nci ).trim(), file);

                     }

                 }

                 else

                 {

                     throw new MojoExecutionException( "Specified side artifact " + file + " does not exist" );

                 }

                 fi = nfi + 1;

                 ti = nti + 1;

                 ci = nci + 1;

             }

         }

         else

         {

             if ( types != null )

             {

                 throw new MojoExecutionException( "You must specify 'files' if you specify 'types'" );

             }

             if ( classifiers != null )

             {

                 throw new MojoExecutionException( "You must specify 'files' if you specify 'classifiers'" );

             }

         }

         List attachedArtifacts = project.getAttachedArtifacts();

         for ( Iterator i = attachedArtifacts.iterator(); i.hasNext(); )

         {

             Artifact attached = ( Artifact ) i.next();

             try

             {

                 deploy( attached.getFile(), attached, deploymentRepository, getLocalRepository() );

             }

             catch ( ArtifactDeploymentException e )

             {

                 throw new MojoExecutionException( "Error deploying attached artifact " + attached.getFile() + ": " + e.getMessage(), e );

             }

         }

     }

     /**

      * Gets the path of the specified artifact within the local repository. Note that the returned path need not exist

      * (yet).

      * 

      * @param artifact The artifact whose local repo path should be determined, must not be <code>null</code>.

      * @return The absolute path to the artifact when installed, never <code>null</code>.

      */

     private File getLocalRepoFile( Artifact artifact )

     {

         String path = getLocalRepository().pathOf( artifact );

         return new File( getLocalRepository().getBasedir(), path );

     }

     /**

      * Process the supplied pomFile to get groupId, artifactId, version, and packaging

      *

      * @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();

         }

     }

     /**

      * Extract the model from the specified POM file.

      * 

      * @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 file doesn't exist of cannot be read.

      */

     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( "POM 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 );

         }

     }

     /**

      * Generates a minimal POM from the user-supplied artifact information.

      *

      * @return The path to the generated POM file, never <code>null</code>.

      * @throws MojoExecutionException If the generation failed.

      */

     private File generatePomFile()

         throws MojoExecutionException

     {

         Model model = generateModel();

         Writer fw = null;

         try

         {

             File tempFile = File.createTempFile( "mvndeploy", ".pom" );

             tempFile.deleteOnExit();

             fw = WriterFactory.newXmlWriter( tempFile );

             new MavenXpp3Writer().write( fw, model );

             return tempFile;

         }

         catch ( IOException e )

         {

             throw new MojoExecutionException( "Error writing temporary pom file: " + e.getMessage(), e );

         }

         finally

         {

             IOUtil.close( fw );

         }

     }

     /**

      * 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( description );

         return model;

     }

     void setGroupId( String groupId )

     {

         this.groupId = groupId;

     }

     void setArtifactId( String artifactId )

     {

         this.artifactId = artifactId;

     }

     void setVersion( String version )

     {

         this.version = version;

     }

     void setPackaging( String packaging )

     {

         this.packaging = packaging;

     }

     void setPomFile( File pomFile )

     {

         this.pomFile = pomFile;

     }

     String getGroupId()

     {

         return groupId;

     }

     String getArtifactId()

     {

         return artifactId;

     }

     String getVersion()

     {

         return version;

     }

     String getPackaging()

     {

         return packaging;

     }

     File getFile()

     {

         return file;

     }

     String getClassifier()

     {

         return classifier;

     }

     void setClassifier( String classifier )

     {

         this.classifier = classifier;

     }

 }