| /* |
| * 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.commons.exec; |
| |
| import org.apache.commons.exec.util.DebugUtils; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * Copies all data from an System.input stream to an output stream of the executed process. |
| * |
| * @author mkleint |
| */ |
| public class InputStreamPumper implements Runnable { |
| |
| public static final int SLEEPING_TIME = 100; |
| |
| /** the input stream to pump from */ |
| private final InputStream is; |
| |
| /** the output stream to pmp into */ |
| private final OutputStream os; |
| |
| /** flag to stop the stream pumping */ |
| private volatile boolean stop; |
| |
| |
| /** |
| * Create a new stream pumper. |
| * |
| * @param is input stream to read data from |
| * @param os output stream to write data to. |
| */ |
| public InputStreamPumper(final InputStream is, final OutputStream os) { |
| this.is = is; |
| this.os = os; |
| this.stop = false; |
| } |
| |
| |
| /** |
| * Copies data from the input stream to the output stream. Terminates as |
| * soon as the input stream is closed or an error occurs. |
| */ |
| public void run() { |
| try { |
| while (!stop) { |
| while (is.available() > 0 && !stop) { |
| os.write(is.read()); |
| } |
| os.flush(); |
| Thread.sleep(SLEEPING_TIME); |
| } |
| } catch (Exception e) { |
| String msg = "Got exception while reading/writing the stream"; |
| DebugUtils.handleException(msg ,e); |
| } finally { |
| } |
| } |
| |
| |
| public void stopProcessing() { |
| stop = true; |
| } |
| |
| } |