package org.apache.maven.tools.plugin.util;

 /*

  * 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.model.Dependency;

 import org.apache.maven.plugin.descriptor.PluginDescriptor;

 import org.codehaus.plexus.component.repository.ComponentDependency;

 import org.codehaus.plexus.util.DirectoryScanner;

 import org.codehaus.plexus.util.StringUtils;

 import org.codehaus.plexus.util.xml.XMLWriter;

 import java.util.Iterator;

 import java.util.LinkedList;

 import java.util.List;

 /**

  * @author jdcasey

  */

 public final class PluginUtils

 {

     private PluginUtils()

     {

     }

     public static String[] findSources( String basedir, String include )

     {

         return PluginUtils.findSources( basedir, include, null );

     }

     public static String[] findSources( String basedir, String include, String exclude )

     {

         DirectoryScanner scanner = new DirectoryScanner();

         scanner.setBasedir( basedir );

         scanner.setIncludes( new String[]{include} );

         if ( !StringUtils.isEmpty( exclude ) )

         {

             // TODO: need default excludes in scanner

             scanner.setExcludes( new String[]{exclude, "**/.svn/**"} );

         }

         else

         {

             scanner.setExcludes( new String[]{"**/.svn/**"} );

         }

         scanner.scan();

         return scanner.getIncludedFiles();

     }

     public static void writeDependencies( XMLWriter w, PluginDescriptor pluginDescriptor )

     {

         w.startElement( "dependencies" );

         for ( Iterator it = pluginDescriptor.getDependencies().iterator(); it.hasNext(); )

         {

             ComponentDependency dep = (ComponentDependency) it.next();

             w.startElement( "dependency" );

             PluginUtils.element( w, "groupId", dep.getGroupId() );

             PluginUtils.element( w, "artifactId", dep.getArtifactId() );

             PluginUtils.element( w, "type", dep.getType() );

             PluginUtils.element( w, "version", dep.getVersion() );

             w.endElement();

         }

         w.endElement();

     }

     public static List toComponentDependencies( List dependencies )

     {

         List componentDeps = new LinkedList();

         for ( Iterator it = dependencies.iterator(); it.hasNext(); )

         {

             Dependency dependency = (Dependency) it.next();

             ComponentDependency cd = new ComponentDependency();

             cd.setArtifactId( dependency.getArtifactId() );

             cd.setGroupId( dependency.getGroupId() );

             cd.setVersion( dependency.getVersion() );

             cd.setType( dependency.getType() );

             componentDeps.add( cd );

         }

         return componentDeps;

     }

     private static void element( XMLWriter w, String name, String value )

     {

         w.startElement( name );

         if ( value == null )

         {

             value = "";

         }

         w.writeText( value );

         w.endElement();

     }

 }