/*
    * 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.project.artifact;
  
  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);
     }
 }