01: /********************************************************************************
02: * CruiseControl, a Continuous Integration Toolkit
03: * Copyright (c) 2001-2003, ThoughtWorks, Inc.
04: * 200 E. Randolph, 25th Floor
05: * Chicago, IL 60601 USA
06: * All rights reserved.
07: *
08: * Redistribution and use in source and binary forms, with or without
09: * modification, are permitted provided that the following conditions
10: * are met:
11: *
12: * + Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: *
15: * + Redistributions in binary form must reproduce the above
16: * copyright notice, this list of conditions and the following
17: * disclaimer in the documentation and/or other materials provided
18: * with the distribution.
19: *
20: * + Neither the name of ThoughtWorks, Inc., CruiseControl, nor the
21: * names of its contributors may be used to endorse or promote
22: * products derived from this software without specific prior
23: * written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
29: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
31: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36: ********************************************************************************/package net.sourceforge.cruisecontrol.util;
37:
38: import java.io.BufferedReader;
39: import java.io.IOException;
40: import java.io.InputStream;
41: import java.io.InputStreamReader;
42:
43: import org.apache.log4j.Logger;
44:
45: /**
46: * Class to pump the error stream during Process's runtime. Copied from
47: * the Ant built-in task.
48: *
49: * @since June 11, 2001
50: * @author <a href="mailto:fvancea@maxiq.com">Florin Vancea</a>
51: * @author <a href="mailto:pj@thoughtworks.com">Paul Julius</a>
52: */
53: public class StreamPumper implements Runnable {
54:
55: private BufferedReader in;
56: private StreamConsumer consumer = null;
57:
58: private static final int SIZE = 1024;
59: private static final Logger LOG = Logger
60: .getLogger(StreamPumper.class);
61:
62: public StreamPumper(InputStream in, StreamConsumer consumer) {
63: this .in = new BufferedReader(new InputStreamReader(in), SIZE);
64: this .consumer = consumer;
65: }
66:
67: public void run() {
68: try {
69: String s = in.readLine();
70: while (s != null) {
71: consumeLine(s);
72: s = in.readLine();
73: }
74: } catch (IOException e) {
75: // do nothing
76: } finally {
77: IO.close(in);
78: }
79: }
80:
81: private void consumeLine(String line) {
82: if (consumer != null) {
83: try {
84: consumer.consumeLine(line);
85: } catch (RuntimeException e) {
86: LOG.error("Problem consuming line [" + line + "]", e);
87: }
88: }
89: }
90: }
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