package org.codehaus.plexus.compiler.util.scan.mapping;
   
   /*
    * Copyright 2001-2005 The Apache Software Foundation.
    *
    * Licensed 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 java.io.File;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * @author jdcasey
   */
  public final class SuffixMapping implements SourceMapping {
      private final String sourceSuffix;
  
      private final Set<String> targetSuffixes;
  
      public SuffixMapping(String sourceSuffix, String targetSuffix) {
          this.sourceSuffix = sourceSuffix;
  
          this.targetSuffixes = Collections.singleton(targetSuffix);
      }
  
      public SuffixMapping(String sourceSuffix, Set<String> targetSuffixes) {
          this.sourceSuffix = sourceSuffix;
  
          this.targetSuffixes = Collections.unmodifiableSet(targetSuffixes);
      }
  
      public Set<File> getTargetFiles(File targetDir, String source) {
          Set<File> targetFiles = new HashSet<>();
  
          if (source.endsWith(sourceSuffix)) {
              String base = source.substring(0, source.length() - sourceSuffix.length());
  
              for (String suffix : targetSuffixes) {
                  targetFiles.add(new File(targetDir, base + suffix));
              }
          }
  
          return targetFiles;
      }
  }