package org.apache.maven.shared.io.scan;

 /*

  * 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.shared.io.scan.mapping.SourceMapping;

 import org.codehaus.plexus.util.DirectoryScanner;

 import java.io.File;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.List;

 import java.util.Set;

 /**

  * @author jdcasey

  * @version $Id: AbstractResourceInclusionScanner.java 595935 2007-11-17 11:39:34Z vsiveton $

  */

 public abstract class AbstractResourceInclusionScanner

     implements ResourceInclusionScanner

 {

     private final List sourceMappings = new ArrayList();

     public final void addSourceMapping( SourceMapping sourceMapping )

     {

         sourceMappings.add( sourceMapping );

     }

     protected final List getSourceMappings()

     {

         return Collections.unmodifiableList( sourceMappings );

     }

     protected String[] scanForSources( File sourceDir, Set sourceIncludes, Set sourceExcludes )

     {

         DirectoryScanner ds = new DirectoryScanner();

         ds.setFollowSymlinks( true );

         ds.setBasedir( sourceDir );

         String[] includes;

         if ( sourceIncludes.isEmpty() )

         {

             includes = new String[0];

         }

         else

         {

             includes = (String[]) sourceIncludes.toArray( new String[sourceIncludes.size()] );

         }

         ds.setIncludes( includes );

         String[] excludes;

         if ( sourceExcludes.isEmpty() )

         {

             excludes = new String[0];

         }

         else

         {

             excludes = (String[]) sourceExcludes.toArray( new String[sourceExcludes.size()] );

         }

         ds.setExcludes( excludes );

         ds.addDefaultExcludes();

         ds.scan();

         return ds.getIncludedFiles();

     }

 }