| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.lang.io; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import org.apache.log4j.Logger; |
| |
| /** |
| * Copies an InputStream to an OutputStream. |
| * |
| * @author Tom Oinn |
| */ |
| public class StreamCopier extends Thread { |
| |
| private static Logger logger = Logger |
| .getLogger(StreamCopier.class); |
| |
| InputStream is; |
| |
| OutputStream os; |
| |
| /** |
| * Create a new StreamCopier which will, when started, copy the specified |
| * InputStream to the specified OutputStream |
| */ |
| public StreamCopier(InputStream is, OutputStream os) { |
| super("StreamCopier"); |
| this.is = is; |
| this.os = os; |
| } |
| |
| /** |
| * Start copying the stream, exits when the InputStream runs out of data |
| */ |
| public void run() { |
| try { |
| byte[] buffer = new byte[1024]; |
| int bytesRead; |
| while ((bytesRead = is.read(buffer)) != -1) { |
| os.write(buffer, 0, bytesRead); |
| } |
| os.flush(); |
| os.close(); |
| } catch (Exception ex) { |
| logger.error("Could not copy stream", ex); |
| } |
| } |
| |
| } |