package org.codehaus.plexus.compiler.util.scan;
   
   /**
    * The MIT License
    *
    * Copyright (c) 2005, The Codehaus
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy of
    * this software and associated documentation files (the "Software"), to deal in
   * the Software without restriction, including without limitation the rights to
   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is furnished to do
   * so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  import java.io.File;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  import org.codehaus.plexus.compiler.util.scan.mapping.SourceMapping;
  
  /**
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   */
  public class SimpleSourceInclusionScanner extends AbstractSourceInclusionScanner {
      private final Set<String> sourceIncludes;
  
      private final Set<String> sourceExcludes;
  
      public SimpleSourceInclusionScanner(Set<String> sourceIncludes, Set<String> sourceExcludes) {
          this.sourceIncludes = sourceIncludes;
  
          this.sourceExcludes = sourceExcludes;
      }
  
      public Set<File> getIncludedSources(File sourceDir, File targetDir) throws InclusionScanException {
          List<SourceMapping> srcMappings = getSourceMappings();
  
          if (srcMappings.isEmpty()) {
              return Collections.emptySet();
          }
  
          String[] potentialSources = scanForSources(sourceDir, sourceIncludes, sourceExcludes);
  
          Set<File> matchingSources = new HashSet<>(potentialSources != null ? potentialSources.length : 0);
  
          if (potentialSources != null) {
              for (String potentialSource : potentialSources) {
                  matchingSources.add(new File(sourceDir, potentialSource));
              }
          }
  
          return matchingSources;
      }
  }