/*
    * The contents of this file are subject to the terms of the Common Development and
    * Distribution License (the License). You may not use this file except in compliance with the
    * License.
    *
    * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
    * specific language governing permission and limitations under the License.
    *
    * When distributing Covered Software, include this CDDL Header Notice in each file and include
   * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
   * Header, with the fields enclosed by brackets [] replaced by your own identifying
   * information: "Portions copyright [year] [name of copyright owner]".
   *
   * Copyright 2014 ForgeRock AS.
   */
  
  package org.forgerock.maven.plugins.xcite;
  
  import org.apache.maven.plugin.AbstractMojo;
  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.forgerock.maven.plugins.xcite.utils.FileUtils;
  
  import java.io.File;
  import java.io.IOException;
  
  /**
   * Copy quotes from source text files into target text files.
   */
  @Mojo(name = "cite", defaultPhase = LifecyclePhase.PROCESS_SOURCES)
  public class XCiteMojo extends AbstractMojo {
  
      /**
       * Whether to escape XML characters in quotes.
       */
      @Parameter (defaultValue = "false")
      private boolean escapeXml;
  
      /**
       * Filter strings specifying files with citations to include.
       */
      @Parameter
      private String[] includes;
  
      /**
       * Filter strings specifying files to exclude.
       */
      @Parameter
      private String[] excludes;
  
      /**
       * Indent quotes this number of spaces from the left margin.
       */
      @Parameter (defaultValue = "0")
      private int reindent;
  
      /**
       * Output directory for files with quotes.
       */
      @Parameter (defaultValue = "${project.build.directory}/xcite")
      private File outputDirectory;
  
      /**
       * Source directory for files with citations.
       */
      @Parameter (defaultValue = "${basedir}/src/main")
      private File sourceDirectory;
  
      /**
       * Replace citations with quotes in included files,
       * writing the resulting files in the output directory.
       *
       * @throws MojoExecutionException   Could not create output directory.
       * @throws MojoFailureException     Failed to perform replacements.
       */
      @Override
      public void execute() throws MojoExecutionException, MojoFailureException {
  
          if (!outputDirectory.exists()) {
              if (!outputDirectory.mkdirs()) {
                  throw new MojoExecutionException(
                          "Failed to create output directory: "
                                  + outputDirectory.getPath());
              }
          }
  
          String[] files = FileUtils.getIncludedFiles(sourceDirectory, includes, excludes);
          Resolver resolver =
                  new Resolver(outputDirectory, escapeXml, reindent, true);
          try {
              resolver.resolve(sourceDirectory, files);
          } catch (IOException e) {
              throw new MojoFailureException(e.getMessage());
          }
      }
  }