/*
    *  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.
   *
   */
  package org.codehaus.plexus.archiver.zip;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.file.Files;
  import java.nio.file.Path;
  
  import org.apache.commons.compress.parallel.ScatterGatherBackingStore;
  
  public class DeferredScatterOutputStream implements ScatterGatherBackingStore {
  
      private final OffloadingOutputStream dfos;
  
      public DeferredScatterOutputStream(int threshold) {
          dfos = new OffloadingOutputStream(threshold, "scatterzipfragment", "zip");
      }
  
      @Override
      public InputStream getInputStream() throws IOException {
          return dfos.getInputStream();
      }
  
      @Override
      public void writeOut(byte[] data, int offset, int length) throws IOException {
          dfos.write(data, offset, length);
      }
  
      @Override
      public void closeForWriting() throws IOException {
          dfos.close();
      }
  
      @Override
      public void close() throws IOException {
          Path file = dfos.getOutputPath();
          if (file != null) {
              Files.deleteIfExists(file);
          }
      }
  }