| /* |
| * 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.taverna.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); |
| } |
| } |
| |
| } |