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1
4 package com.tc;
5
6 import com.tc.admin.common.InputStreamDrainer;
7
8 public class ProcessWaiter extends Thread  {
9 private Process m_process;
10 private Runnable m_waiter;
11 private InputStreamDrainer m_outReader;
12 private InputStreamDrainer m_errReader;
13
14 public ProcessWaiter(Process process, Runnable waiter) {
15 super();
16
17 if(process == null)
18 throw new IllegalArgumentException ("process is null");
19
20 m_process = process;
21 m_waiter = waiter;
22 }
23
24 public ProcessWaiter(Process process) {
25 this(process, null);
26 }
27
28 public void start(Runnable waiter) {
29 m_waiter = waiter;
30 start();
31 }
32
33 public void run() {
34 m_outReader = new InputStreamDrainer(m_process.getInputStream());
35 m_errReader = new InputStreamDrainer(m_process.getErrorStream());
36
37 m_outReader.start();
38 m_errReader.start();
39
40 while(true) {
41 try {
42 if(m_outReader.isAlive()) {
43 m_outReader.join();
44 }
45 if(m_errReader.isAlive()) {
46 m_errReader.join();
47 }
48 break;
49 } catch(InterruptedException ie) {}
50
51 try {sleep(1000);} catch(InterruptedException ie) {}
52 }
53
54 if(m_waiter != null) {
55 m_waiter.run();
56 }
57 }
58
59 public Process getProcess() {
60 return m_process;
61
62 }
63
64 public String getOutputBuffer() {
65 return m_outReader.getBufferContent();
66 }
67
68 public String getErrorBuffer() {
69 return m_errReader != null ? m_errReader.getBufferContent() : null;
70 }
71 }
72
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