content: /*
   *  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
   *
   *      https://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.apache.tools.ant.types.optional.xz;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  import org.apache.tools.ant.types.ResourceCollection;
  import org.apache.tools.ant.types.resources.CompressedResource;
  import org.tukaani.xz.LZMA2Options;
  import org.tukaani.xz.XZInputStream;
  import org.tukaani.xz.XZOutputStream;
  
  /**
   * A XZ compressed resource.
   *
   * <p>Wraps around another resource, delegates all queries to that
   * other resource but uncompresses/compresses streams on the fly.</p>
   *
   * @since Ant 1.10.1
   */
  public class XzResource extends CompressedResource {
  
      /** A no-arg constructor */
      public XzResource() {
      }
  
      /**
       * Constructor with another resource to wrap.
       * @param other the resource to wrap.
       */
      public XzResource(ResourceCollection other) {
          super(other);
      }
  
      /**
       * Decompress on the fly using java.util.zip.XZInputStream.
       * @param in the stream to wrap.
       * @return the wrapped stream.
       * @throws IOException if there is a problem.
       */
      @Override
      protected InputStream wrapStream(InputStream in) throws IOException {
          return new XZInputStream(in);
      }
  
      /**
       * Compress on the fly using java.util.zip.XZOutStream.
       * @param out the stream to wrap.
       * @return the wrapped stream.
       * @throws IOException if there is a problem.
       */
       @Override
      protected OutputStream wrapStream(OutputStream out) throws IOException {
          return new XZOutputStream(out, new LZMA2Options());
      }
  
      /**
       * Get the name of the compression method.
       * @return the string "XZ".
       */
      @Override
      protected String getCompressionName() {
          return "XZ";
      }
  }
  