/*
    * (C) Copyright 2006-2014 Nuxeo SA (http://nuxeo.com/) and contributors.
    *
    * All rights reserved. This program and the accompanying materials
    * are made available under the terms of the GNU Lesser General Public License
    * (LGPL) version 2.1 which accompanies this distribution, and is available at
    * http://www.gnu.org/licenses/lgpl-2.1.html
    *
    * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * Contributors:
   *     Kohsuke Kawaguchi - initial implementation
   *     Nuxeo - bstefanescu, jcarsique, slacoin
   */
  
  package org.nuxeo.build.ant.artifact;
  
  import java.io.File;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.MavenProjectHelper;
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Project;
  import org.apache.tools.ant.Task;
  import org.nuxeo.build.maven.AntBuildMojo;
  
  /**
   * Attaches the artifact to Maven.
   *
   * @author Kohsuke Kawaguchi
   */
  public class AttachArtifactTask extends Task {
  
      private File file;
  
      private String classifier;
  
      private String type;
  
      /**
       * The file to be treated as an artifact.
       */
      public void setFile(File file) {
          this.file = file;
      }
  
      /**
       * Optional classifier. If left unset, the task will attach the main
       * artifact.
       */
      public void setClassifier(String classifier) {
          this.classifier = "".equals(classifier) ? null : classifier;
      }
  
      /**
       * @deprecated since 2.0 Attach now only works on the current
       *             {@link MavenProject}
       * @see AntBuildMojo#getProject()
       */
      @Deprecated
      public void setTarget(String artifactKey) {
          log("The target parameter is deprecated and ignored. The attach task now only applies to the current project.",
                  Project.MSG_WARN);
      }
  
      /**
       * Artifact type. Think of it as a file extension. Optional, and if omitted,
       * inferred from the file extension.
       */
      public void setType(String type) {
          this.type = type;
      }
  
      @Override
      public void execute() throws BuildException {
          MavenProject pom = AntBuildMojo.getInstance().getProject();
          log("Attaching " + file + " to " + pom, Project.MSG_INFO);
          if (type == null) {
              type = getExtension(file.getName());
              log("Unspecified type, using: " + type, Project.MSG_WARN);
          }
          Artifact pomArtifact = pom.getArtifact();
          if (classifier != null || !type.equals(pomArtifact.getType())) {
              AntBuildMojo.getInstance().getProjectHelper().attachArtifact(pom,
                      type, classifier, file);
          } else {
              pomArtifact.setFile(file);
              pomArtifact.setResolved(true);
          }
      }
  
      /**
       * Guess type from the file extension whereas the default implementation of
       * {@link MavenProjectHelper} defaults to "jar".
       */
     private String getExtension(String name) {
         int idx = name.lastIndexOf('.');
         return name.substring(idx + 1);
     }
 }