src/main/java/org/apache/maven/plugins/install/InstallFileMojo.java - maven-install-plugin - Git at Google

 /*
  * 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.
  */
 package org.apache.maven.plugins.install;

 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.Reader;
 import java.io.Writer;
 import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import java.util.regex.Pattern;

 import org.apache.maven.execution.MavenSession;
 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.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.codehaus.plexus.util.FileUtils;
 import org.codehaus.plexus.util.IOUtil;
 import org.codehaus.plexus.util.StringUtils;
 import org.codehaus.plexus.util.xml.XmlStreamReader;
 import org.codehaus.plexus.util.xml.XmlStreamWriter;
 import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
 import org.eclipse.aether.DefaultRepositoryCache;
 import org.eclipse.aether.DefaultRepositorySystemSession;
 import org.eclipse.aether.RepositorySystem;
 import org.eclipse.aether.RepositorySystemSession;
 import org.eclipse.aether.artifact.Artifact;
 import org.eclipse.aether.artifact.ArtifactType;
 import org.eclipse.aether.artifact.DefaultArtifact;
 import org.eclipse.aether.installation.InstallRequest;
 import org.eclipse.aether.installation.InstallationException;
 import org.eclipse.aether.repository.LocalRepository;
 import org.eclipse.aether.repository.LocalRepositoryManager;
 import org.eclipse.aether.util.artifact.SubArtifact;

 /**
  * Installs a file in the local repository.
  *
  * @author <a href="mailto:brett@apache.org">Brett Porter</a>
  */
 @Mojo(name = "install-file", requiresProject = false, aggregator = true, threadSafe = true)
 public class InstallFileMojo extends AbstractMojo {
     private static final String LS = System.getProperty("line.separator");

     @Component
     private RepositorySystem repositorySystem;

     @Parameter(defaultValue = "${session}", required = true, readonly = true)
     private MavenSession session;

     /**
      * GroupId of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
      * {@code pom.xml} in jar if available.
      */
     @Parameter(property = "groupId")
     private String groupId;

     /**
      * ArtifactId of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
      * {@code pom.xml} in jar if available.
      */
     @Parameter(property = "artifactId")
     private String artifactId;

     /**
      * Version of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
      * {@code pom.xml} in jar if available.
      */
     @Parameter(property = "version")
     private String version;

     /**
      * Packaging type of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
      * {@code pom.xml} in jar if available.
      */
     @Parameter(property = "packaging")
     private 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.
      *
      * @since 2.2
      */
     @Parameter(property = "classifier")
     private String classifier;

     /**
      * The file to be installed in the local repository.
      */
     @Parameter(property = "file", required = true)
     private File file;

     /**
      * The bundled API docs for the artifact.
      *
      * @since 2.3
      */
     @Parameter(property = "javadoc")
     private File javadoc;

     /**
      * The bundled sources for the artifact.
      *
      * @since 2.3
      */
     @Parameter(property = "sources")
     private File sources;

     /**
      * Location of an existing POM file to be installed alongside the main artifact, given by the {@link #file}
      * parameter.
      *
      * @since 2.1
      */
     @Parameter(property = "pomFile")
     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.
      *
      * @since 2.1
      */
     @Parameter(property = "generatePom")
     private Boolean generatePom;

     /**
      * The path for a specific local repository directory. If not specified the local repository path configured in the
      * Maven settings will be used.
      *
      * @since 2.2
      */
     @Parameter(property = "localRepositoryPath")
     private File localRepositoryPath;

     @Override
     public void execute() throws MojoExecutionException, MojoFailureException {
         if (!file.exists()) {
             String message = "The specified file '" + file.getPath() + "' does not exist";
             getLog().error(message);
             throw new MojoFailureException(message);
         }

         RepositorySystemSession repositorySystemSession = session.getRepositorySession();
         if (localRepositoryPath != null) {
             // "clone" repository session and replace localRepository
             DefaultRepositorySystemSession newSession =
                     new DefaultRepositorySystemSession(session.getRepositorySession());
             // Clear cache, since we're using a new local repository
             newSession.setCache(new DefaultRepositoryCache());
             // keep same repositoryType
             String contentType = newSession.getLocalRepository().getContentType();
             if ("enhanced".equals(contentType)) {
                 contentType = "default";
             }
             LocalRepositoryManager localRepositoryManager = repositorySystem.newLocalRepositoryManager(
                     newSession, new LocalRepository(localRepositoryPath, contentType));
             newSession.setLocalRepositoryManager(localRepositoryManager);
             repositorySystemSession = newSession;
             getLog().debug("localRepoPath: "
                     + localRepositoryManager.getRepository().getBasedir());
         }

         File temporaryPom = null;

         if (pomFile != null) {
             processModel(readModel(pomFile));
         } else {
             temporaryPom = readingPomFromJarFile();
             if (!Boolean.TRUE.equals(generatePom)) {
                 pomFile = temporaryPom;
                 getLog().debug("Using JAR embedded POM as pomFile");
             }
         }

         if (groupId == null || artifactId == null || version == null || packaging == null) {
             throw new MojoExecutionException("The artifact information is incomplete: 'groupId', 'artifactId', "
                     + "'version' and 'packaging' are required.");
         }

         if (!isValidId(groupId) || !isValidId(artifactId) || !isValidVersion(version)) {
             throw new MojoExecutionException("The artifact information is not valid: uses invalid characters.");
         }

         InstallRequest installRequest = new InstallRequest();

         boolean isFilePom = classifier == null && "pom".equals(packaging);
         if (!isFilePom) {
             ArtifactType artifactType =
                     repositorySystemSession.getArtifactTypeRegistry().get(packaging);
             if (artifactType != null
                     && (classifier == null || classifier.isEmpty())
                     && !StringUtils.isEmpty(artifactType.getClassifier())) {
                 classifier = artifactType.getClassifier();
             }
         }
         Artifact mainArtifact = new DefaultArtifact(
                         groupId, artifactId, classifier, isFilePom ? "pom" : getExtension(file), version)
                 .setFile(file);
         installRequest.addArtifact(mainArtifact);

         File artifactLocalFile = getLocalRepositoryFile(repositorySystemSession, mainArtifact);
         File pomLocalFile = getPomLocalRepositoryFile(repositorySystemSession, mainArtifact);

         if (file.equals(artifactLocalFile)) {
             throw new MojoFailureException("Cannot install artifact. " + "Artifact is already in the local repository."
                     + LS + LS + "File in question is: " + file + LS);
         }

         if (!"pom".equals(packaging)) {
             if (pomFile != null) {
                 installRequest.addArtifact(new SubArtifact(mainArtifact, "", "pom", pomFile));
             } else {
                 if (Boolean.TRUE.equals(generatePom) || (generatePom == null && !pomLocalFile.exists())) {
                     temporaryPom = generatePomFile();
                     getLog().debug("Installing generated POM");
                     installRequest.addArtifact(new SubArtifact(mainArtifact, "", "pom", temporaryPom));
                 } else if (generatePom == null) {
                     getLog().debug("Skipping installation of generated POM, already present in local repository");
                 }
             }
         }

         if (sources != null) {
             installRequest.addArtifact(new SubArtifact(mainArtifact, "sources", "jar", sources));
         }

         if (javadoc != null) {
             installRequest.addArtifact(new SubArtifact(mainArtifact, "javadoc", "jar", javadoc));
         }

         try {
             repositorySystem.install(repositorySystemSession, installRequest);
         } catch (InstallationException e) {
             throw new MojoExecutionException(e.getMessage(), e);
         } finally {
             if (temporaryPom != null) {
                 // noinspection ResultOfMethodCallIgnored
                 temporaryPom.delete();
             }
         }
     }

     private File readingPomFromJarFile() throws MojoExecutionException {
         File pomFile = null;

         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()) {
                     getLog().debug("Loading " + entry.getName());

                     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 = File.createTempFile(base, ".pom");

                         pomOutputStream = Files.newOutputStream(pomFile.toPath());

                         IOUtil.copy(pomInputStream, pomOutputStream);

                         pomOutputStream.close();
                         pomOutputStream = null;

                         pomInputStream.close();
                         pomInputStream = null;

                         processModel(readModel(pomFile));

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

             if (pomFile == null) {
                 getLog().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
                 }
             }
         }
         return pomFile;
     }

     /**
      * 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 = new XmlStreamReader(pomFile);
             final Model model = new MavenXpp3Reader().read(reader);
             reader.close();
             reader = null;
             return model;
         } 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();
         }
     }

     /**
      * 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 = new XmlStreamWriter(pomFile);
             new MavenXpp3Writer().write(writer, model);
             writer.close();
             writer = null;

             return pomFile;
         } catch (IOException e) {
             throw new MojoExecutionException("Error writing temporary POM file: " + e.getMessage(), e);
         } finally {
             IOUtil.close(writer);
         }
     }

     /**
      * Gets the path of the specified artifact within the local repository. Note that the returned path need not exist
      * (yet).
      */
     private File getLocalRepositoryFile(RepositorySystemSession session, Artifact artifact) {
         String path = session.getLocalRepositoryManager().getPathForLocalArtifact(artifact);
         return new File(session.getLocalRepository().getBasedir(), path);
     }

     /**
      * Gets the path of the specified artifact POM within the local repository. Note that the returned path need
      * not exist (yet).
      */
     private File getPomLocalRepositoryFile(RepositorySystemSession session, Artifact artifact) {
         SubArtifact pomArtifact = new SubArtifact(artifact, "", "pom");
         String path = session.getLocalRepositoryManager().getPathForLocalArtifact(pomArtifact);
         return new File(session.getLocalRepository().getBasedir(), path);
     }

     // these below should be shared (duplicated in m-install-p, m-deploy-p)

     /**
      * Specialization of {@link FileUtils#getExtension(String)} that honors various {@code tar.xxx} combinations.
      */
     private String getExtension(final File file) {
         String filename = file.getName();
         if (filename.contains(".tar.")) {
             return "tar." + FileUtils.getExtension(filename);
         } else {
             return FileUtils.getExtension(filename);
         }
     }

     /**
      * Returns {@code true} if passed in string is "valid Maven ID" (groupId or artifactId).
      */
     private boolean isValidId(String id) {
         if (id == null) {
             return false;
         }
         for (int i = 0; i < id.length(); i++) {
             char c = id.charAt(i);
             if (!(c >= 'a' && c <= 'z'
                     || c >= 'A' && c <= 'Z'
                     || c >= '0' && c <= '9'
                     || c == '-'
                     || c == '_'
                     || c == '.')) {
                 return false;
             }
         }
         return true;
     }

     private static final String ILLEGAL_VERSION_CHARS = "\\/:\"<>|?*[](){},";

     /**
      * Returns {@code true} if passed in string is "valid Maven (simple. non range, expression, etc) version".
      */
     private boolean isValidVersion(String version) {
         if (version == null) {
             return false;
         }
         for (int i = version.length() - 1; i >= 0; i--) {
             if (ILLEGAL_VERSION_CHARS.indexOf(version.charAt(i)) >= 0) {
                 return false;
             }
         }
         return true;
     }
 }
	/*
	* 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.
	*/
	package org.apache.maven.plugins.install;

	import java.io.File;
	import java.io.FileNotFoundException;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.OutputStream;
	import java.io.Reader;
	import java.io.Writer;
	import java.nio.file.Files;
	import java.util.Enumeration;
	import java.util.jar.JarEntry;
	import java.util.jar.JarFile;
	import java.util.regex.Pattern;

	import org.apache.maven.execution.MavenSession;
	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.AbstractMojo;
	import org.apache.maven.plugin.MojoExecutionException;
	import org.apache.maven.plugin.MojoFailureException;
	import org.apache.maven.plugins.annotations.Component;
	import org.apache.maven.plugins.annotations.Mojo;
	import org.apache.maven.plugins.annotations.Parameter;
	import org.codehaus.plexus.util.FileUtils;
	import org.codehaus.plexus.util.IOUtil;
	import org.codehaus.plexus.util.StringUtils;
	import org.codehaus.plexus.util.xml.XmlStreamReader;
	import org.codehaus.plexus.util.xml.XmlStreamWriter;
	import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
	import org.eclipse.aether.DefaultRepositoryCache;
	import org.eclipse.aether.DefaultRepositorySystemSession;
	import org.eclipse.aether.RepositorySystem;
	import org.eclipse.aether.RepositorySystemSession;
	import org.eclipse.aether.artifact.Artifact;
	import org.eclipse.aether.artifact.ArtifactType;
	import org.eclipse.aether.artifact.DefaultArtifact;
	import org.eclipse.aether.installation.InstallRequest;
	import org.eclipse.aether.installation.InstallationException;
	import org.eclipse.aether.repository.LocalRepository;
	import org.eclipse.aether.repository.LocalRepositoryManager;
	import org.eclipse.aether.util.artifact.SubArtifact;

	/**
	* Installs a file in the local repository.
	*
	* @author <a href="mailto:brett@apache.org">Brett Porter</a>
	*/
	@Mojo(name = "install-file", requiresProject = false, aggregator = true, threadSafe = true)
	public class InstallFileMojo extends AbstractMojo {
	private static final String LS = System.getProperty("line.separator");

	@Component
	private RepositorySystem repositorySystem;

	@Parameter(defaultValue = "${session}", required = true, readonly = true)
	private MavenSession session;

	/**
	* GroupId of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
	* {@code pom.xml} in jar if available.
	*/
	@Parameter(property = "groupId")
	private String groupId;

	/**
	* ArtifactId of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
	* {@code pom.xml} in jar if available.
	*/
	@Parameter(property = "artifactId")
	private String artifactId;

	/**
	* Version of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
	* {@code pom.xml} in jar if available.
	*/
	@Parameter(property = "version")
	private String version;

	/**
	* Packaging type of the artifact to be installed. Retrieved from POM file if one is specified or extracted from
	* {@code pom.xml} in jar if available.
	*/
	@Parameter(property = "packaging")
	private 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.
	*
	* @since 2.2
	*/
	@Parameter(property = "classifier")
	private String classifier;

	/**
	* The file to be installed in the local repository.
	*/
	@Parameter(property = "file", required = true)
	private File file;

	/**
	* The bundled API docs for the artifact.
	*
	* @since 2.3
	*/
	@Parameter(property = "javadoc")
	private File javadoc;

	/**
	* The bundled sources for the artifact.
	*
	* @since 2.3
	*/
	@Parameter(property = "sources")
	private File sources;

	/**
	* Location of an existing POM file to be installed alongside the main artifact, given by the {@link #file}
	* parameter.
	*
	* @since 2.1
	*/
	@Parameter(property = "pomFile")
	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.
	*
	* @since 2.1
	*/
	@Parameter(property = "generatePom")
	private Boolean generatePom;

	/**
	* The path for a specific local repository directory. If not specified the local repository path configured in the
	* Maven settings will be used.
	*
	* @since 2.2
	*/
	@Parameter(property = "localRepositoryPath")
	private File localRepositoryPath;

	@Override
	public void execute() throws MojoExecutionException, MojoFailureException {
	if (!file.exists()) {
	String message = "The specified file '" + file.getPath() + "' does not exist";
	getLog().error(message);
	throw new MojoFailureException(message);
	}

	RepositorySystemSession repositorySystemSession = session.getRepositorySession();
	if (localRepositoryPath != null) {
	// "clone" repository session and replace localRepository
	DefaultRepositorySystemSession newSession =
	new DefaultRepositorySystemSession(session.getRepositorySession());
	// Clear cache, since we're using a new local repository
	newSession.setCache(new DefaultRepositoryCache());
	// keep same repositoryType
	String contentType = newSession.getLocalRepository().getContentType();
	if ("enhanced".equals(contentType)) {
	contentType = "default";
	}
	LocalRepositoryManager localRepositoryManager = repositorySystem.newLocalRepositoryManager(
	newSession, new LocalRepository(localRepositoryPath, contentType));
	newSession.setLocalRepositoryManager(localRepositoryManager);
	repositorySystemSession = newSession;
	getLog().debug("localRepoPath: "
	+ localRepositoryManager.getRepository().getBasedir());
	}

	File temporaryPom = null;

	if (pomFile != null) {
	processModel(readModel(pomFile));
	} else {
	temporaryPom = readingPomFromJarFile();
	if (!Boolean.TRUE.equals(generatePom)) {
	pomFile = temporaryPom;
	getLog().debug("Using JAR embedded POM as pomFile");
	}
	}

	if (groupId == null \|\| artifactId == null \|\| version == null \|\| packaging == null) {
	throw new MojoExecutionException("The artifact information is incomplete: 'groupId', 'artifactId', "
	+ "'version' and 'packaging' are required.");
	}

	if (!isValidId(groupId) \|\| !isValidId(artifactId) \|\| !isValidVersion(version)) {
	throw new MojoExecutionException("The artifact information is not valid: uses invalid characters.");
	}

	InstallRequest installRequest = new InstallRequest();

	boolean isFilePom = classifier == null && "pom".equals(packaging);
	if (!isFilePom) {
	ArtifactType artifactType =
	repositorySystemSession.getArtifactTypeRegistry().get(packaging);
	if (artifactType != null
	&& (classifier == null \|\| classifier.isEmpty())
	&& !StringUtils.isEmpty(artifactType.getClassifier())) {
	classifier = artifactType.getClassifier();
	}
	}
	Artifact mainArtifact = new DefaultArtifact(
	groupId, artifactId, classifier, isFilePom ? "pom" : getExtension(file), version)
	.setFile(file);
	installRequest.addArtifact(mainArtifact);

	File artifactLocalFile = getLocalRepositoryFile(repositorySystemSession, mainArtifact);
	File pomLocalFile = getPomLocalRepositoryFile(repositorySystemSession, mainArtifact);

	if (file.equals(artifactLocalFile)) {
	throw new MojoFailureException("Cannot install artifact. " + "Artifact is already in the local repository."
	+ LS + LS + "File in question is: " + file + LS);
	}

	if (!"pom".equals(packaging)) {
	if (pomFile != null) {
	installRequest.addArtifact(new SubArtifact(mainArtifact, "", "pom", pomFile));
	} else {
	if (Boolean.TRUE.equals(generatePom) \|\| (generatePom == null && !pomLocalFile.exists())) {
	temporaryPom = generatePomFile();
	getLog().debug("Installing generated POM");
	installRequest.addArtifact(new SubArtifact(mainArtifact, "", "pom", temporaryPom));
	} else if (generatePom == null) {
	getLog().debug("Skipping installation of generated POM, already present in local repository");
	}
	}
	}

	if (sources != null) {
	installRequest.addArtifact(new SubArtifact(mainArtifact, "sources", "jar", sources));
	}

	if (javadoc != null) {
	installRequest.addArtifact(new SubArtifact(mainArtifact, "javadoc", "jar", javadoc));
	}

	try {
	repositorySystem.install(repositorySystemSession, installRequest);
	} catch (InstallationException e) {
	throw new MojoExecutionException(e.getMessage(), e);
	} finally {
	if (temporaryPom != null) {
	// noinspection ResultOfMethodCallIgnored
	temporaryPom.delete();
	}
	}
	}

	private File readingPomFromJarFile() throws MojoExecutionException {
	File pomFile = null;

	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()) {
	getLog().debug("Loading " + entry.getName());

	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 = File.createTempFile(base, ".pom");

	pomOutputStream = Files.newOutputStream(pomFile.toPath());

	IOUtil.copy(pomInputStream, pomOutputStream);

	pomOutputStream.close();
	pomOutputStream = null;

	pomInputStream.close();
	pomInputStream = null;

	processModel(readModel(pomFile));

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

	if (pomFile == null) {
	getLog().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
	}
	}
	}
	return pomFile;
	}

	/**
	* 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 = new XmlStreamReader(pomFile);
	final Model model = new MavenXpp3Reader().read(reader);
	reader.close();
	reader = null;
	return model;
	} 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();
	}
	}

	/**
	* 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 = new XmlStreamWriter(pomFile);
	new MavenXpp3Writer().write(writer, model);
	writer.close();
	writer = null;

	return pomFile;
	} catch (IOException e) {
	throw new MojoExecutionException("Error writing temporary POM file: " + e.getMessage(), e);
	} finally {
	IOUtil.close(writer);
	}
	}

	/**
	* Gets the path of the specified artifact within the local repository. Note that the returned path need not exist
	* (yet).
	*/
	private File getLocalRepositoryFile(RepositorySystemSession session, Artifact artifact) {
	String path = session.getLocalRepositoryManager().getPathForLocalArtifact(artifact);
	return new File(session.getLocalRepository().getBasedir(), path);
	}

	/**
	* Gets the path of the specified artifact POM within the local repository. Note that the returned path need
	* not exist (yet).
	*/
	private File getPomLocalRepositoryFile(RepositorySystemSession session, Artifact artifact) {
	SubArtifact pomArtifact = new SubArtifact(artifact, "", "pom");
	String path = session.getLocalRepositoryManager().getPathForLocalArtifact(pomArtifact);
	return new File(session.getLocalRepository().getBasedir(), path);
	}

	// these below should be shared (duplicated in m-install-p, m-deploy-p)

	/**
	* Specialization of {@link FileUtils#getExtension(String)} that honors various {@code tar.xxx} combinations.
	*/
	private String getExtension(final File file) {
	String filename = file.getName();
	if (filename.contains(".tar.")) {
	return "tar." + FileUtils.getExtension(filename);
	} else {
	return FileUtils.getExtension(filename);
	}
	}

	/**
	* Returns {@code true} if passed in string is "valid Maven ID" (groupId or artifactId).
	*/
	private boolean isValidId(String id) {
	if (id == null) {
	return false;
	}
	for (int i = 0; i < id.length(); i++) {
	char c = id.charAt(i);
	if (!(c >= 'a' && c <= 'z'
	\|\| c >= 'A' && c <= 'Z'
	\|\| c >= '0' && c <= '9'
	\|\| c == '-'
	\|\| c == '_'
	\|\| c == '.')) {
	return false;
	}
	}
	return true;
	}

	private static final String ILLEGAL_VERSION_CHARS = "\\/:\"<>\|?*[](){},";

	/**
	* Returns {@code true} if passed in string is "valid Maven (simple. non range, expression, etc) version".
	*/
	private boolean isValidVersion(String version) {
	if (version == null) {
	return false;
	}
	for (int i = version.length() - 1; i >= 0; i--) {
	if (ILLEGAL_VERSION_CHARS.indexOf(version.charAt(i)) >= 0) {
	return false;
	}
	}
	return true;
	}
	}