Java tutorial
package org.apache.maven.project.artifact; /* * 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.File; import java.io.IOException; import org.apache.maven.artifact.Artifact; import org.apache.maven.artifact.metadata.AbstractArtifactMetadata; import org.apache.maven.artifact.metadata.ArtifactMetadata; import org.apache.maven.artifact.repository.ArtifactRepository; import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException; import org.codehaus.plexus.util.FileUtils; /** * Attach a POM to an artifact. * * @author <a href="mailto:brett@apache.org">Brett Porter</a> */ public class ProjectArtifactMetadata extends AbstractArtifactMetadata { private final File file; public ProjectArtifactMetadata(Artifact artifact) { this(artifact, null); } public ProjectArtifactMetadata(Artifact artifact, File file) { super(artifact); this.file = file; } public File getFile() { return file; } public String getRemoteFilename() { return getFilename(); } public String getLocalFilename(ArtifactRepository repository) { return getFilename(); } private String getFilename() { return getArtifactId() + "-" + artifact.getVersion() + ".pom"; } public void storeInLocalRepository(ArtifactRepository localRepository, ArtifactRepository remoteRepository) throws RepositoryMetadataStoreException { File destination = new File(localRepository.getBasedir(), localRepository.pathOfLocalRepositoryMetadata(this, remoteRepository)); // ---------------------------------------------------------------------------- // I'm fully aware that the file could just be moved using File.rename but // there are bugs in various JVM that have problems doing this across // different filesystem. So we'll incur the small hit to actually copy // here and be safe. jvz. // ---------------------------------------------------------------------------- try { FileUtils.copyFile(file, destination); } catch (IOException e) { throw new RepositoryMetadataStoreException("Error copying POM to the local repository.", e); } } public String toString() { return "project information for " + artifact.getArtifactId() + " " + artifact.getVersion(); } public boolean storedInArtifactVersionDirectory() { return true; } public String getBaseVersion() { return artifact.getBaseVersion(); } public Object getKey() { return "project " + artifact.getGroupId() + ":" + artifact.getArtifactId(); } public void merge(ArtifactMetadata metadata) { ProjectArtifactMetadata m = (ProjectArtifactMetadata) metadata; if (!m.file.equals(file)) { throw new IllegalStateException("Cannot add two different pieces of metadata for: " + getKey()); } } public void merge(org.apache.maven.repository.legacy.metadata.ArtifactMetadata metadata) { this.merge((ArtifactMetadata) metadata); } }