1 /*
2 * Copyright (C) 2008-2010, Google Inc.
3 * and other copyright owners as documented in the project's IP log.
4 *
5 * This program and the accompanying materials are made available
6 * under the terms of the Eclipse Distribution License v1.0 which
7 * accompanies this distribution, is reproduced below, and is
8 * available at http://www.eclipse.org/org/documents/edl-v10.php
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials provided
22 * with the distribution.
23 *
24 * - Neither the name of the Eclipse Foundation, Inc. nor the
25 * names of its contributors may be used to endorse or promote
26 * products derived from this software without specific prior
27 * written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 package org.eclipse.jgit.transport;
45
46 import java.io.IOException;
47 import java.io.OutputStream;
48
49 import org.eclipse.jgit.lib.BatchingProgressMonitor;
50 import org.eclipse.jgit.lib.Constants;
51
52 /** Write progress messages out to the sideband channel. */
53 class SideBandProgressMonitor extends BatchingProgressMonitor {
54 private final OutputStream out;
55
56 private boolean write;
57
58 SideBandProgressMonitor(final OutputStream os) {
59 out = os;
60 write = true;
61 }
62
63 @Override
64 protected void onUpdate(String taskName, int workCurr) {
65 StringBuilder s = new StringBuilder();
66 format(s, taskName, workCurr);
67 s.append(" \r"); //$NON-NLS-1$
68 send(s);
69 }
70
71 @Override
72 protected void onEndTask(String taskName, int workCurr) {
73 StringBuilder s = new StringBuilder();
74 format(s, taskName, workCurr);
75 s.append(", done\n"); //$NON-NLS-1$
76 send(s);
77 }
78
79 private void format(StringBuilder s, String taskName, int workCurr) {
80 s.append(taskName);
81 s.append(": "); //$NON-NLS-1$
82 s.append(workCurr);
83 }
84
85 @Override
86 protected void onUpdate(String taskName, int cmp, int totalWork, int pcnt) {
87 StringBuilder s = new StringBuilder();
88 format(s, taskName, cmp, totalWork, pcnt);
89 s.append(" \r"); //$NON-NLS-1$
90 send(s);
91 }
92
93 @Override
94 protected void onEndTask(String taskName, int cmp, int totalWork, int pcnt) {
95 StringBuilder s = new StringBuilder();
96 format(s, taskName, cmp, totalWork, pcnt);
97 s.append("\n"); //$NON-NLS-1$
98 send(s);
99 }
100
101 private void format(StringBuilder s, String taskName, int cmp,
102 int totalWork, int pcnt) {
103 s.append(taskName);
104 s.append(": "); //$NON-NLS-1$
105 if (pcnt < 100)
106 s.append(' ');
107 if (pcnt < 10)
108 s.append(' ');
109 s.append(pcnt);
110 s.append("% ("); //$NON-NLS-1$
111 s.append(cmp);
112 s.append("/"); //$NON-NLS-1$
113 s.append(totalWork);
114 s.append(")"); //$NON-NLS-1$
115 }
116
117 private void send(StringBuilder s) {
118 if (write) {
119 try {
120 out.write(Constants.encode(s.toString()));
121 out.flush();
122 } catch (IOException err) {
123 write = false;
124 }
125 }
126 }
127 }