forked from arduino/Arduino
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathMessageSiphon.java
More file actions
99 lines (81 loc) · 3.21 KB
/
MessageSiphon.java
File metadata and controls
99 lines (81 loc) · 3.21 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-06 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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 USA
*/
package processing.app.debug;
import java.io.*;
/**
* Slurps up messages from compiler.
*/
public class MessageSiphon implements Runnable {
BufferedReader streamReader;
Thread thread;
MessageConsumer consumer;
public MessageSiphon(InputStream stream, MessageConsumer consumer) {
this.streamReader = new BufferedReader(new InputStreamReader(stream));
this.consumer = consumer;
thread = new Thread(this);
// don't set priority too low, otherwise exceptions won't
// bubble up in time (i.e. compile errors have a weird delay)
//thread.setPriority(Thread.MIN_PRIORITY);
thread.setPriority(Thread.MAX_PRIORITY-1);
thread.start();
}
public void run() {
try {
// process data until we hit EOF; this will happily block
// (effectively sleeping the thread) until new data comes in.
// when the program is finally done, null will come through.
//
String currentLine;
while ((currentLine = streamReader.readLine()) != null) {
// \n is added again because readLine() strips it out
//EditorConsole.systemOut.println("messaging in");
consumer.message(currentLine + "\n");
//EditorConsole.systemOut.println("messaging out");
}
//EditorConsole.systemOut.println("messaging thread done");
thread = null;
} catch (NullPointerException npe) {
// Fairly common exception during shutdown
thread = null;
} catch (Exception e) {
// On Linux and sometimes on Mac OS X, a "bad file descriptor"
// message comes up when closing an applet that's run externally.
// That message just gets supressed here..
String mess = e.getMessage();
if ((mess != null) &&
(mess.indexOf("Bad file descriptor") != -1)) {
//if (e.getMessage().indexOf("Bad file descriptor") == -1) {
//System.err.println("MessageSiphon err " + e);
//e.printStackTrace();
} else {
e.printStackTrace();
}
thread = null;
}
}
// Wait until the MessageSiphon thread is complete.
public void join() throws java.lang.InterruptedException {
// Grab a temp copy in case another thread nulls the "thread"
// member variable
Thread t = thread;
if (t != null) t.join();
}
public Thread getThread() {
return thread;
}
}