/** * $RCSfile: $ * $Revision: $ * $Date: $ * * Copyright (C) 2006 Jive Software. All rights reserved. * This software is the proprietary information of Jive Software. Use is subject to license terms. */ package org.jivesoftware.util; import java.io.InputStream; import java.io.OutputStream; import java.util.concurrent.Callable; /** * Callable which will read from an input stream and write to an output stream. * * @author Alexander Wenckus */ public class InputOutputStreamWrapper implements Callable { private static final int DEFAULT_BUFFER_SIZE = 8000; private long amountWritten = 0; private int bufferSize; private InputStream in; private OutputStream out; public InputOutputStreamWrapper(InputStream in, OutputStream out, int bufferSize) { if(bufferSize <= 0) { bufferSize = DEFAULT_BUFFER_SIZE; } this.bufferSize = bufferSize; this.in = in; this.out = out; } public InputOutputStreamWrapper(InputStream in, OutputStream out) { this(in, out, DEFAULT_BUFFER_SIZE); } public Object call() throws Exception { final byte[] b = new byte[bufferSize]; int count = 0; amountWritten = 0; do { // write to the output stream out.write(b, 0, count); amountWritten += count; // read more bytes from the input stream count = in.read(b); } while (count >= 0); return amountWritten; } public long getAmountWritten() { return amountWritten; } }