package org.apache.maven.plugin.resources.remote;

 /*

  * 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 org.apache.maven.plugin.AbstractMojo;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.resources.remote.io.xpp3.RemoteResourcesBundleXpp3Writer;

 import org.codehaus.plexus.util.DirectoryScanner;

 import org.codehaus.plexus.util.FileUtils;

 import org.codehaus.plexus.util.StringUtils;

 import java.io.File;

 import java.io.FileWriter;

 import java.io.IOException;

 import java.io.Writer;

 import java.util.Arrays;

 import java.util.List;

 /**

  * Bundle up resources that should be considered as a remote-resource.

  *

  * @goal bundle

  * @phase generate-resources

  */

 public class BundleRemoteResourcesMojo

     extends AbstractMojo

 {

     public static final String RESOURCES_MANIFEST = "META-INF/maven/remote-resources.xml";

     private static final String[] DEFAULT_INCLUDES = new String [] {

                                                               "**/*.txt",

                                                               "**/*.vm",

                                                    };

     /**

      * The directory which contains the resources you want packaged up in this resource bundle.

      *

      * @parameter expression="${basedir}/src/main/resources"

      */

     private File resourcesDirectory;

     /**

      * The directory where you want the resource bundle manifest written to.

      *

      * @parameter expression="${project.build.outputDirectory}"

      */

     private File outputDirectory;

     /**

      * A list of files to include. Can contain ant-style wildcards and double wildcards.

      * The default includes are

      * <code>**&#47;*.txt   **&#47;*.vm</code>

      *

      * @parameter

      * @since 1.0-alpha-5

      */

     private String[] includes;

     /**

      * A list of files to exclude. Can contain ant-style wildcards and double wildcards.

      *

      * @parameter

      * @since 1.0-alpha-5

      */

     private String[] excludes;

     /**

      * Encoding of the bundle.

      *

      * @since 1.1

      * @optional

      * @parameter expression="${project.build.sourceEncoding}"

      */

     private String sourceEncoding;

     public void execute()

         throws MojoExecutionException

     {

         if ( !resourcesDirectory.exists() )

         {

             return;

         }

         // Look at the content of the resourcesDirectory and create a manifest of the files

         // so that velocity can easily process any resources inside the JAR that need to be processed.

         RemoteResourcesBundle remoteResourcesBundle = new RemoteResourcesBundle();

         remoteResourcesBundle.setSourceEncoding( sourceEncoding );

         DirectoryScanner scanner = new DirectoryScanner();

         scanner.setBasedir( resourcesDirectory );

         if ( includes != null && includes.length != 0 )

         {

             scanner.setIncludes( includes );

         }

         else

         {

             scanner.setIncludes( DEFAULT_INCLUDES );

         }

         if ( excludes != null && excludes.length != 0 )

         {

             scanner.setExcludes( excludes );

         }

         scanner.addDefaultExcludes();

         scanner.scan();

         List<String> includedFiles = Arrays.asList( scanner.getIncludedFiles() );

         for ( String resource : includedFiles )

         {

             remoteResourcesBundle.addRemoteResource( StringUtils.replace( resource, '\\', '/' ) );

         }

         RemoteResourcesBundleXpp3Writer w = new RemoteResourcesBundleXpp3Writer();

         try

         {

             File f = new File( outputDirectory, RESOURCES_MANIFEST );

             FileUtils.mkdir( f.getParentFile().getAbsolutePath() );

             Writer writer = new FileWriter( f );

             w.write( writer, remoteResourcesBundle );

         }

         catch ( IOException e )

         {

             throw new MojoExecutionException( "Error creating remote resources manifest.", e );

         }

     }

 }