/*
    * Copyright 2010-2015 The plexus developers.
    *
    * 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.
   */
  package org.codehaus.plexus.archiver.zip;
  
  import java.io.IOException;
  
  import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
  import org.apache.commons.compress.archivers.zip.ZipFile;
  import org.codehaus.plexus.components.io.functions.InputStreamTransformer;
  import org.codehaus.plexus.components.io.functions.SymlinkDestinationSupplier;
  
  /**
   * A {@link ZipResource} that represents symbolic link.
   */
  public class ZipSymlinkResource extends ZipResource implements SymlinkDestinationSupplier {
  
      private final String symlinkDestination;
  
      public ZipSymlinkResource(ZipFile zipFile, ZipArchiveEntry entry, InputStreamTransformer streamTransformer) {
          super(zipFile, entry, streamTransformer);
          try {
              symlinkDestination = zipFile.getUnixSymlink(entry);
          } catch (IOException e) {
              throw new RuntimeException(e);
          }
      }
  
      @Override
      public String getSymlinkDestination() throws IOException {
          return symlinkDestination;
      }
  
      @Override
      public boolean isSymbolicLink() {
          return true;
      }
  }