/*
    * 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.jmod;
  
  import javax.inject.Inject;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.plugins.annotations.ResolutionScope;
  import org.apache.maven.shared.utils.cli.Commandline;
  import org.apache.maven.toolchain.ToolchainManager;
  
  /**
   * This goal is to support the usage of <code>jmod list</code> to show the content of a <code>jmod</code> file.
   *
   * @author Karl Heinz Marbaise <a href="mailto:khmarbaise@apache.org">khmarbaise@apache.org</a>
   */
  @Mojo(name = "list", requiresDependencyResolution = ResolutionScope.NONE, defaultPhase = LifecyclePhase.NONE)
  public class JModListMojo extends AbstractJModMojo {
  
      @Parameter(defaultValue = "${project.build.directory}", required = true, readonly = true)
      private File outputDirectory;
  
      /**
       * The name of the jmod file which is examined via <code>jmod list jmodFile</code>.
       */
      // @formatter:off
      @Parameter(
              defaultValue = "${project.build.directory}/jmods/${project.artifactId}.jmod",
              property = "jmodfile",
              required = true)
      // @formatter:on
      private File jmodFile;
  
      @Inject
      public JModListMojo(ToolchainManager toolchainManager) {
          super(toolchainManager);
      }
  
      public void execute() throws MojoExecutionException, MojoFailureException {
          try {
              String jModExecutable = getJModExecutable();
              getLog().debug("Toolchain in maven-jmod-plugin: jmod [ " + jModExecutable + " ]");
  
              Commandline cmd = createJModListCommandLine();
              cmd.setExecutable(jModExecutable);
  
              getLog().info("The following files are contained in the module file " + jmodFile.getAbsolutePath());
              executeCommand(cmd, outputDirectory);
          } catch (IOException e) {
              throw new MojoFailureException("Unable to find jmod command: " + e.getMessage(), e);
          }
      }
  
      private Commandline createJModListCommandLine() throws MojoFailureException {
          if (!jmodFile.exists() || !jmodFile.isFile()) {
              throw new MojoFailureException("Unable to find " + jmodFile.getAbsolutePath());
          }
  
          Commandline commandLine = new Commandline();
          commandLine.createArg().setValue("list");
          commandLine.createArg().setValue(jmodFile.getAbsolutePath());
          return commandLine;
      }
  }