Java tutorial
/* * 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.apache.ant.compress.util; import java.io.InputStream; import java.io.IOException; import java.io.OutputStream; import org.apache.commons.compress.compressors.CompressorInputStream; import org.apache.commons.compress.compressors.CompressorOutputStream; import org.apache.commons.compress.compressors.snappy.FramedSnappyCompressorInputStream; import org.apache.commons.compress.compressors.snappy.SnappyCompressorInputStream; /** * Creates streams for the standalone Snappy format. * @since Apache Compress Antlib 1.4 * @see <a href="http://code.google.com/p/snappy/">Snappy Project</a> */ public class SnappyStreamFactory implements CompressorStreamFactory { private boolean framed = true; /** * Whether to use the "framing format". * * <p>Defaults to true.</p> */ public void setFramed(boolean framed) { this.framed = framed; } /** * @param stream the stream to read from, should be buffered */ public CompressorInputStream getCompressorStream(InputStream stream) throws IOException { return framed ? new FramedSnappyCompressorInputStream(stream) : (CompressorInputStream) new SnappyCompressorInputStream(stream); } /** * Not implemented. */ public CompressorOutputStream getCompressorStream(OutputStream stream) throws IOException { throw new UnsupportedOperationException(); } }