src/main/java/org/apache/maven/plugins/deploy/DeployFileMojo.java - maven-deploy-plugin - Git at Google

 package org.apache.maven.plugins.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 java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.Reader;
 import java.io.Writer;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Enumeration;
 import java.util.List;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import java.util.regex.Pattern;

 import org.apache.maven.api.Artifact;
 import org.apache.maven.api.Project;
 import org.apache.maven.api.RemoteRepository;
 import org.apache.maven.api.plugin.MojoException;
 import org.apache.maven.api.plugin.annotations.Mojo;
 import org.apache.maven.api.plugin.annotations.Parameter;
 import org.apache.maven.api.services.ArtifactDeployer;
 import org.apache.maven.api.services.ArtifactDeployerException;
 import org.apache.maven.api.services.ArtifactManager;
 import org.apache.maven.api.services.ProjectBuilder;
 import org.apache.maven.api.services.ProjectBuilderException;
 import org.apache.maven.api.services.ProjectBuilderRequest;
 import org.apache.maven.api.services.ProjectBuilderResult;
 import org.apache.maven.api.services.ProjectBuilderSource;
 import org.apache.maven.api.services.ProjectManager;
 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.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;

 /**
  * Installs the artifact in the remote repository.
  *
  * @author <a href="mailto:aramirez@apache.org">Allan Ramirez</a>
  */
 @Mojo( name = "deploy-file", requiresProject = false )
 public class DeployFileMojo
     extends AbstractDeployMojo
 {
     /**
      * GroupId of the artifact to be deployed. Retrieved from POM file if specified.
      */
     @Parameter( property = "groupId" )
     private String groupId;

     /**
      * ArtifactId of the artifact to be deployed. Retrieved from POM file if specified.
      */
     @Parameter( property = "artifactId" )
     private String artifactId;

     /**
      * Version of the artifact to be deployed. Retrieved from POM file if specified.
      */
     @Parameter( property = "version" )
     private String version;

     /**
      * Type of the artifact to be deployed. Retrieved from the &lt;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 &lt;packaging&gt; element for the entire POM, and the
      * &lt;type&gt; element in a dependency specification.
      */
     @Parameter( property = "packaging" )
     private String packaging;

     /**
      * Description passed to a generated POM file (in case of generatePom=true)
      */
     @Parameter( property = "generatePom.description" )
     private String description;

     /**
      * File to be deployed.
      */
     @Parameter( property = "file", required = true )
     private File file;

     /**
      * The bundled API docs for the artifact.
      *
      * @since 2.6
      */
     @Parameter( property = "javadoc" )
     private File javadoc;

     /**
      * The bundled sources for the artifact.
      *
      * @since 2.6
      */
     @Parameter( property = "sources" )
     private File sources;

     /**
      * Server Id to map on the &lt;id&gt; under &lt;server&gt; section of settings.xml In most cases, this parameter
      * will be required for authentication.
      */
     @Parameter( property = "repositoryId", defaultValue = "remote-repository", required = true )
     private String repositoryId;

     /**
      * URL where the artifact will be deployed. <br/>
      * ie ( file:///C:/m2-repo or scp://host.com/path/to/repo )
      */
     @Parameter( property = "url", required = true )
     private String url;

     /**
      * Location of an existing POM file to be deployed alongside the main artifact, given by the ${file} parameter.
      */
     @Parameter( property = "pomFile" )
     private File pomFile;

     /**
      * Upload a POM for this artifact. Will generate a default POM if none is supplied with the pomFile argument.
      */
     @Parameter( property = "generatePom", defaultValue = "true" )
     private boolean generatePom;

     /**
      * Add classifier to the artifact
      */
     @Parameter( property = "classifier" )
     private String classifier;

     /**
      * Whether to deploy snapshots with a unique version or not.
      *
      * @deprecated As of Maven 3, this isn't supported anymore and this parameter is only present to break the build if
      *             you use it!
      */
     @Parameter( property = "uniqueVersion" )
     @Deprecated
     private Boolean uniqueVersion;

     /**
      * 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( property = "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( property = "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( property = "files" )
     private String files;

     void initProperties()
         throws MojoException
     {
         if ( pomFile == null )
         {
             boolean foundPom = false;

             JarFile jarFile = null;
             try
             {
                 Pattern pomEntry = Pattern.compile( "META-INF/maven/.*/pom\\.xml" );

                 jarFile = new JarFile( file );

                 Enumeration<JarEntry> jarEntries = jarFile.entries();

                 while ( jarEntries.hasMoreElements() )
                 {
                     JarEntry entry = jarEntries.nextElement();

                     if ( pomEntry.matcher( entry.getName() ).matches() )
                     {
                         logger.debug( "Using " + entry.getName() + " as pomFile" );

                         foundPom = true;

                         InputStream pomInputStream = null;
                         OutputStream pomOutputStream = null;

                         try
                         {
                             pomInputStream = jarFile.getInputStream( entry );

                             String base = file.getName();
                             if ( base.indexOf( '.' ) > 0 )
                             {
                                 base = base.substring( 0, base.lastIndexOf( '.' ) );
                             }
                             pomFile = new File( file.getParentFile(), base + ".pom" );

                             pomOutputStream = new FileOutputStream( pomFile );

                             IOUtil.copy( pomInputStream, pomOutputStream );

                             pomOutputStream.close();
                             pomOutputStream = null;
                             pomInputStream.close();
                             pomInputStream = null;

                             processModel( readModel( pomFile ) );

                             break;
                         }
                         finally
                         {
                             IOUtil.close( pomInputStream );
                             IOUtil.close( pomOutputStream );
                         }
                     }
                 }

                 if ( !foundPom )
                 {
                     logger.info( "pom.xml not found in " + file.getName() );
                 }
             }
             catch ( IOException e )
             {
                 // ignore, artifact not packaged by Maven
             }
             finally
             {
                 if ( jarFile != null )
                 {
                     try
                     {
                         jarFile.close();
                     }
                     catch ( IOException e )
                     {
                         // we did our best
                     }
                 }
             }
         }
         else
         {
             processModel( readModel( pomFile ) );
         }

         if ( packaging == null && file != null )
         {
             packaging = FileUtils.getExtension( file.getName() );
         }
     }

     public void execute()
         throws MojoException
     {
         if ( uniqueVersion != null )
         {
             throw new MojoException( "You are using 'uniqueVersion' which has been removed"
                 + " from the maven-deploy-plugin. "
                 + "Please see the >>Major Version Upgrade to version 3.0.0<< on the plugin site." );
         }

         failIfOffline();

         if ( !file.exists() )
         {
             throw new MojoException( file.getPath() + " not found." );
         }

         initProperties();

         RemoteRepository deploymentRepository = createDeploymentArtifactRepository( repositoryId, url );

         String protocol = deploymentRepository.getProtocol();

         if ( StringUtils.isEmpty( protocol ) )
         {
             throw new MojoException( "No transfer protocol found." );
         }

         ArtifactManager artifactManager = getSession().getService( ArtifactManager.class );
         ProjectManager projectManager = getSession().getService( ProjectManager.class );
         ArtifactDeployer artifactDeployer = getSession().getService( ArtifactDeployer.class );

         Project project = createMavenProject();
         Artifact artifact = project.getArtifact();

         if ( file.equals( getLocalRepoFile().toFile() ) )
         {
             throw new MojoException( "Cannot deploy artifact from the local repository: " + file );
         }

         List<Artifact> deployableArtifacts = new ArrayList<>();

         if ( classifier == null )
         {
             artifactManager.setPath( artifact, file.toPath() );
             deployableArtifacts.add( artifact );
         }
         else
         {
             projectManager.attachArtifact( getSession(), project, packaging, classifier, file.toPath() );
         }

         // Upload the POM if requested, generating one if need be
         if ( !"pom".equals( packaging ) )
         {
             File pom = pomFile;
             if ( pom == null && generatePom )
             {
                 pom = generatePomFile();
             }
             if ( pom != null )
             {
                 if ( classifier == null )
                 {
                     Artifact pomArtifact = getSession().createArtifact(
                             groupId, artifactId, "", version, "pom"
                     );
                     artifactManager.setPath( pomArtifact, pom.toPath() );
                     deployableArtifacts.add( pomArtifact );
                 }
                 else
                 {
                     artifactManager.setPath( artifact, pom.toPath() );
                     deployableArtifacts.add( artifact );
                 }
             }
         }

         if ( sources != null )
         {
             projectManager.attachArtifact( getSession(), project, "jar", "sources", sources.toPath() );
         }

         if ( javadoc != null )
         {
             projectManager.attachArtifact( getSession(), project, "jar", "javadoc", javadoc.toPath() );
         }

         if ( files != null )
         {
             if ( types == null )
             {
                 throw new MojoException( "You must specify 'types' if you specify 'files'" );
             }
             if ( classifiers == null )
             {
                 throw new MojoException( "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 MojoException( "You must specify the same number of entries in 'files' and "
                     + "'types' (respectively " + filesLength + " and " + typesLength + " entries )" );
             }
             if ( classifiersLength != filesLength )
             {
                 throw new MojoException( "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.getPomPath().getParent().toFile(), files.substring( fi, nfi ) );
                 }
                 if ( file.isFile() )
                 {
                     String classifier = classifiers.substring( ci, nci ).trim();
                     String type = types.substring( ti, nti ).trim();
                     projectManager.attachArtifact( getSession(), project, type, classifier, file.toPath() );
                 }
                 else
                 {
                     throw new MojoException( "Specified side artifact " + file + " does not exist" );
                 }
                 fi = nfi + 1;
                 ti = nti + 1;
                 ci = nci + 1;
             }
         }
         else
         {
             if ( types != null )
             {
                 throw new MojoException( "You must specify 'files' if you specify 'types'" );
             }
             if ( classifiers != null )
             {
                 throw new MojoException( "You must specify 'files' if you specify 'classifiers'" );
             }
         }

         Collection<Artifact> attachedArtifacts = projectManager.getAttachedArtifacts( project );

         deployableArtifacts.addAll( attachedArtifacts );

         try
         {
             artifactDeployer.deploy( getSession(), deploymentRepository, deployableArtifacts );
         }
         catch ( ArtifactDeployerException e )
         {
             throw new MojoException( e.getMessage(), e );
         }
     }

     /**
      * Creates a Maven project in-memory from the user-supplied groupId, artifactId and version. When a classifier is
      * supplied, the packaging must be POM because the project with only have attachments. This project serves as basis
      * to attach the artifacts to deploy to.
      *
      * @return The created Maven project, never <code>null</code>.
      * @throws MojoException When the model of the project could not be built.
      */
     private Project createMavenProject()
         throws MojoException
     {
         if ( groupId == null || artifactId == null || version == null || packaging == null )
         {
             throw new MojoException( "The artifact information is incomplete: 'groupId', 'artifactId', "
                 + "'version' and 'packaging' are required." );
         }
         try
         {
             String prj = "<project>"
                     + "<modelVersion>4.0.0</modelVersion>"
                     + "<groupId>" + groupId + "</groupId>"
                     + "<artifactId>" + artifactId + "</artifactId>"
                     + "<version>" + version + "</version>"
                     + "<packaging>" + ( classifier == null ? packaging : "pom" ) + "</packaging>"
                     + "</project>";
             ProjectBuilderResult result = getSession().getService( ProjectBuilder.class )
                     .build( ProjectBuilderRequest.builder()
                             .session( getSession() )
                             .source( new StringSource( prj ) )
                             .processPlugins( false )
                             .resolveDependencies( false )
                             .build() );

             return result.getProject().get();
         }
         catch ( ProjectBuilderException e )
         {
             throw new MojoException( "Unable to create the project.", e );
         }
     }

     /**
      * Gets the path of the artifact constructed from the supplied groupId, artifactId, version, classifier and
      * packaging within the local repository. Note that the returned path need not exist (yet).
      *
      * @return The absolute path to the artifact when installed, never <code>null</code>.
      */
     private Path getLocalRepoFile()
     {
         Artifact artifact = getSession().createArtifact( groupId, artifactId, classifier, version, packaging );
         return getSession().getPathForLocalArtifact( artifact );
     }

     /**
      * 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 MojoException If the file doesn't exist of cannot be read.
      */
     Model readModel( File pomFile )
         throws MojoException
     {
         Reader reader = null;
         try
         {
             reader = ReaderFactory.newXmlReader( pomFile );
             final Model model = new MavenXpp3Reader().read( reader );
             reader.close();
             reader = null;
             return model;
         }
         catch ( FileNotFoundException e )
         {
             throw new MojoException( "POM not found " + pomFile, e );
         }
         catch ( IOException e )
         {
             throw new MojoException( "Error reading POM " + pomFile, e );
         }
         catch ( XmlPullParserException e )
         {
             throw new MojoException( "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 MojoException If the generation failed.
      */
     private File generatePomFile()
         throws MojoException
     {
         Model model = generateModel();

         Writer fw = null;
         try
         {
             File tempFile = File.createTempFile( "mvndeploy", ".pom" );
             tempFile.deleteOnExit();

             fw = WriterFactory.newXmlWriter( tempFile );

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

             fw.close();
             fw = null;

             return tempFile;
         }
         catch ( IOException e )
         {
             throw new MojoException( "Error writing temporary pom file: " + e.getMessage(), e );
         }
         finally
         {
             IOUtil.close( fw );
         }
     }

     /**
      * 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;
     }

     private static class StringSource implements ProjectBuilderSource
     {
         private final String prj;

         StringSource( String prj )
         {
             this.prj = prj;
         }

         @Override
         public InputStream getInputStream() throws IOException
         {
             return new ByteArrayInputStream( prj.getBytes( StandardCharsets.UTF_8 ) );
         }

         @Override
         public String getLocation()
         {
             return null;
         }
     }

 }
	package org.apache.maven.plugins.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 java.io.ByteArrayInputStream;
	import java.io.File;
	import java.io.FileNotFoundException;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.OutputStream;
	import java.io.Reader;
	import java.io.Writer;
	import java.nio.charset.StandardCharsets;
	import java.nio.file.Path;
	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Enumeration;
	import java.util.List;
	import java.util.jar.JarEntry;
	import java.util.jar.JarFile;
	import java.util.regex.Pattern;

	import org.apache.maven.api.Artifact;
	import org.apache.maven.api.Project;
	import org.apache.maven.api.RemoteRepository;
	import org.apache.maven.api.plugin.MojoException;
	import org.apache.maven.api.plugin.annotations.Mojo;
	import org.apache.maven.api.plugin.annotations.Parameter;
	import org.apache.maven.api.services.ArtifactDeployer;
	import org.apache.maven.api.services.ArtifactDeployerException;
	import org.apache.maven.api.services.ArtifactManager;
	import org.apache.maven.api.services.ProjectBuilder;
	import org.apache.maven.api.services.ProjectBuilderException;
	import org.apache.maven.api.services.ProjectBuilderRequest;
	import org.apache.maven.api.services.ProjectBuilderResult;
	import org.apache.maven.api.services.ProjectBuilderSource;
	import org.apache.maven.api.services.ProjectManager;
	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.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;

	/**
	* Installs the artifact in the remote repository.
	*
	* @author <a href="mailto:aramirez@apache.org">Allan Ramirez</a>
	*/
	@Mojo( name = "deploy-file", requiresProject = false )
	public class DeployFileMojo
	extends AbstractDeployMojo
	{
	/**
	* GroupId of the artifact to be deployed. Retrieved from POM file if specified.
	*/
	@Parameter( property = "groupId" )
	private String groupId;

	/**
	* ArtifactId of the artifact to be deployed. Retrieved from POM file if specified.
	*/
	@Parameter( property = "artifactId" )
	private String artifactId;

	/**
	* Version of the artifact to be deployed. Retrieved from POM file if specified.
	*/
	@Parameter( property = "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( property = "packaging" )
	private String packaging;

	/**
	* Description passed to a generated POM file (in case of generatePom=true)
	*/
	@Parameter( property = "generatePom.description" )
	private String description;

	/**
	* File to be deployed.
	*/
	@Parameter( property = "file", required = true )
	private File file;

	/**
	* The bundled API docs for the artifact.
	*
	* @since 2.6
	*/
	@Parameter( property = "javadoc" )
	private File javadoc;

	/**
	* The bundled sources for the artifact.
	*
	* @since 2.6
	*/
	@Parameter( property = "sources" )
	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( property = "repositoryId", defaultValue = "remote-repository", required = true )
	private String repositoryId;

	/**
	* URL where the artifact will be deployed. <br/>
	* ie ( file:///C:/m2-repo or scp://host.com/path/to/repo )
	*/
	@Parameter( property = "url", required = true )
	private String url;

	/**
	* Location of an existing POM file to be deployed alongside the main artifact, given by the ${file} parameter.
	*/
	@Parameter( property = "pomFile" )
	private File pomFile;

	/**
	* Upload a POM for this artifact. Will generate a default POM if none is supplied with the pomFile argument.
	*/
	@Parameter( property = "generatePom", defaultValue = "true" )
	private boolean generatePom;

	/**
	* Add classifier to the artifact
	*/
	@Parameter( property = "classifier" )
	private String classifier;

	/**
	* Whether to deploy snapshots with a unique version or not.
	*
	* @deprecated As of Maven 3, this isn't supported anymore and this parameter is only present to break the build if
	* you use it!
	*/
	@Parameter( property = "uniqueVersion" )
	@Deprecated
	private Boolean uniqueVersion;

	/**
	* 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( property = "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( property = "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( property = "files" )
	private String files;

	void initProperties()
	throws MojoException
	{
	if ( pomFile == null )
	{
	boolean foundPom = false;

	JarFile jarFile = null;
	try
	{
	Pattern pomEntry = Pattern.compile( "META-INF/maven/.*/pom\\.xml" );

	jarFile = new JarFile( file );

	Enumeration<JarEntry> jarEntries = jarFile.entries();

	while ( jarEntries.hasMoreElements() )
	{
	JarEntry entry = jarEntries.nextElement();

	if ( pomEntry.matcher( entry.getName() ).matches() )
	{
	logger.debug( "Using " + entry.getName() + " as pomFile" );

	foundPom = true;

	InputStream pomInputStream = null;
	OutputStream pomOutputStream = null;

	try
	{
	pomInputStream = jarFile.getInputStream( entry );

	String base = file.getName();
	if ( base.indexOf( '.' ) > 0 )
	{
	base = base.substring( 0, base.lastIndexOf( '.' ) );
	}
	pomFile = new File( file.getParentFile(), base + ".pom" );

	pomOutputStream = new FileOutputStream( pomFile );

	IOUtil.copy( pomInputStream, pomOutputStream );

	pomOutputStream.close();
	pomOutputStream = null;
	pomInputStream.close();
	pomInputStream = null;

	processModel( readModel( pomFile ) );

	break;
	}
	finally
	{
	IOUtil.close( pomInputStream );
	IOUtil.close( pomOutputStream );
	}
	}
	}

	if ( !foundPom )
	{
	logger.info( "pom.xml not found in " + file.getName() );
	}
	}
	catch ( IOException e )
	{
	// ignore, artifact not packaged by Maven
	}
	finally
	{
	if ( jarFile != null )
	{
	try
	{
	jarFile.close();
	}
	catch ( IOException e )
	{
	// we did our best
	}
	}
	}
	}
	else
	{
	processModel( readModel( pomFile ) );
	}

	if ( packaging == null && file != null )
	{
	packaging = FileUtils.getExtension( file.getName() );
	}
	}

	public void execute()
	throws MojoException
	{
	if ( uniqueVersion != null )
	{
	throw new MojoException( "You are using 'uniqueVersion' which has been removed"
	+ " from the maven-deploy-plugin. "
	+ "Please see the >>Major Version Upgrade to version 3.0.0<< on the plugin site." );
	}

	failIfOffline();

	if ( !file.exists() )
	{
	throw new MojoException( file.getPath() + " not found." );
	}

	initProperties();

	RemoteRepository deploymentRepository = createDeploymentArtifactRepository( repositoryId, url );

	String protocol = deploymentRepository.getProtocol();

	if ( StringUtils.isEmpty( protocol ) )
	{
	throw new MojoException( "No transfer protocol found." );
	}

	ArtifactManager artifactManager = getSession().getService( ArtifactManager.class );
	ProjectManager projectManager = getSession().getService( ProjectManager.class );
	ArtifactDeployer artifactDeployer = getSession().getService( ArtifactDeployer.class );

	Project project = createMavenProject();
	Artifact artifact = project.getArtifact();

	if ( file.equals( getLocalRepoFile().toFile() ) )
	{
	throw new MojoException( "Cannot deploy artifact from the local repository: " + file );
	}

	List<Artifact> deployableArtifacts = new ArrayList<>();

	if ( classifier == null )
	{
	artifactManager.setPath( artifact, file.toPath() );
	deployableArtifacts.add( artifact );
	}
	else
	{
	projectManager.attachArtifact( getSession(), project, packaging, classifier, file.toPath() );
	}

	// Upload the POM if requested, generating one if need be
	if ( !"pom".equals( packaging ) )
	{
	File pom = pomFile;
	if ( pom == null && generatePom )
	{
	pom = generatePomFile();
	}
	if ( pom != null )
	{
	if ( classifier == null )
	{
	Artifact pomArtifact = getSession().createArtifact(
	groupId, artifactId, "", version, "pom"
	);
	artifactManager.setPath( pomArtifact, pom.toPath() );
	deployableArtifacts.add( pomArtifact );
	}
	else
	{
	artifactManager.setPath( artifact, pom.toPath() );
	deployableArtifacts.add( artifact );
	}
	}
	}

	if ( sources != null )
	{
	projectManager.attachArtifact( getSession(), project, "jar", "sources", sources.toPath() );
	}

	if ( javadoc != null )
	{
	projectManager.attachArtifact( getSession(), project, "jar", "javadoc", javadoc.toPath() );
	}

	if ( files != null )
	{
	if ( types == null )
	{
	throw new MojoException( "You must specify 'types' if you specify 'files'" );
	}
	if ( classifiers == null )
	{
	throw new MojoException( "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 MojoException( "You must specify the same number of entries in 'files' and "
	+ "'types' (respectively " + filesLength + " and " + typesLength + " entries )" );
	}
	if ( classifiersLength != filesLength )
	{
	throw new MojoException( "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.getPomPath().getParent().toFile(), files.substring( fi, nfi ) );
	}
	if ( file.isFile() )
	{
	String classifier = classifiers.substring( ci, nci ).trim();
	String type = types.substring( ti, nti ).trim();
	projectManager.attachArtifact( getSession(), project, type, classifier, file.toPath() );
	}
	else
	{
	throw new MojoException( "Specified side artifact " + file + " does not exist" );
	}
	fi = nfi + 1;
	ti = nti + 1;
	ci = nci + 1;
	}
	}
	else
	{
	if ( types != null )
	{
	throw new MojoException( "You must specify 'files' if you specify 'types'" );
	}
	if ( classifiers != null )
	{
	throw new MojoException( "You must specify 'files' if you specify 'classifiers'" );
	}
	}

	Collection<Artifact> attachedArtifacts = projectManager.getAttachedArtifacts( project );

	deployableArtifacts.addAll( attachedArtifacts );

	try
	{
	artifactDeployer.deploy( getSession(), deploymentRepository, deployableArtifacts );
	}
	catch ( ArtifactDeployerException e )
	{
	throw new MojoException( e.getMessage(), e );
	}
	}

	/**
	* Creates a Maven project in-memory from the user-supplied groupId, artifactId and version. When a classifier is
	* supplied, the packaging must be POM because the project with only have attachments. This project serves as basis
	* to attach the artifacts to deploy to.
	*
	* @return The created Maven project, never <code>null</code>.
	* @throws MojoException When the model of the project could not be built.
	*/
	private Project createMavenProject()
	throws MojoException
	{
	if ( groupId == null \|\| artifactId == null \|\| version == null \|\| packaging == null )
	{
	throw new MojoException( "The artifact information is incomplete: 'groupId', 'artifactId', "
	+ "'version' and 'packaging' are required." );
	}
	try
	{
	String prj = "<project>"
	+ "<modelVersion>4.0.0</modelVersion>"
	+ "<groupId>" + groupId + "</groupId>"
	+ "<artifactId>" + artifactId + "</artifactId>"
	+ "<version>" + version + "</version>"
	+ "<packaging>" + ( classifier == null ? packaging : "pom" ) + "</packaging>"
	+ "</project>";
	ProjectBuilderResult result = getSession().getService( ProjectBuilder.class )
	.build( ProjectBuilderRequest.builder()
	.session( getSession() )
	.source( new StringSource( prj ) )
	.processPlugins( false )
	.resolveDependencies( false )
	.build() );

	return result.getProject().get();
	}
	catch ( ProjectBuilderException e )
	{
	throw new MojoException( "Unable to create the project.", e );
	}
	}

	/**
	* Gets the path of the artifact constructed from the supplied groupId, artifactId, version, classifier and
	* packaging within the local repository. Note that the returned path need not exist (yet).
	*
	* @return The absolute path to the artifact when installed, never <code>null</code>.
	*/
	private Path getLocalRepoFile()
	{
	Artifact artifact = getSession().createArtifact( groupId, artifactId, classifier, version, packaging );
	return getSession().getPathForLocalArtifact( artifact );
	}

	/**
	* 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 MojoException If the file doesn't exist of cannot be read.
	*/
	Model readModel( File pomFile )
	throws MojoException
	{
	Reader reader = null;
	try
	{
	reader = ReaderFactory.newXmlReader( pomFile );
	final Model model = new MavenXpp3Reader().read( reader );
	reader.close();
	reader = null;
	return model;
	}
	catch ( FileNotFoundException e )
	{
	throw new MojoException( "POM not found " + pomFile, e );
	}
	catch ( IOException e )
	{
	throw new MojoException( "Error reading POM " + pomFile, e );
	}
	catch ( XmlPullParserException e )
	{
	throw new MojoException( "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 MojoException If the generation failed.
	*/
	private File generatePomFile()
	throws MojoException
	{
	Model model = generateModel();

	Writer fw = null;
	try
	{
	File tempFile = File.createTempFile( "mvndeploy", ".pom" );
	tempFile.deleteOnExit();

	fw = WriterFactory.newXmlWriter( tempFile );

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

	fw.close();
	fw = null;

	return tempFile;
	}
	catch ( IOException e )
	{
	throw new MojoException( "Error writing temporary pom file: " + e.getMessage(), e );
	}
	finally
	{
	IOUtil.close( fw );
	}
	}

	/**
	* 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;
	}

	private static class StringSource implements ProjectBuilderSource
	{
	private final String prj;

	StringSource( String prj )
	{
	this.prj = prj;
	}

	@Override
	public InputStream getInputStream() throws IOException
	{
	return new ByteArrayInputStream( prj.getBytes( StandardCharsets.UTF_8 ) );
	}

	@Override
	public String getLocation()
	{
	return null;
	}
	}

	}