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1   package org.apache.maven.shared.utils.cli;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  /**
23   * @author <a href="mailto:kristian.rosenvold@gmail.com">Kristian Rosenvold</a>
24   */
25  class AbstractStreamHandler
26      extends Thread
27  {
28      private boolean done;
29  
30      private volatile boolean disabled;
31  
32      boolean isDone()
33      {
34          return done;
35      }
36  
37      public synchronized void waitUntilDone()
38          throws InterruptedException
39      {
40          while ( !isDone() )
41          {
42              wait();
43          }
44      }
45  
46  
47      boolean isDisabled()
48      {
49          return disabled;
50      }
51  
52      public void disable()
53      {
54          disabled = true;
55      }
56  
57      protected void setDone()
58      {
59          done = true;
60      }
61  
62  }