1 /*
2 * Copyright (C) 2012, Robin Rosenberg <robin.rosenberg@dewire.com>
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 package org.eclipse.jgit.util.io;
44
45 import java.io.IOException;
46 import java.io.Writer;
47 import java.security.AccessController;
48 import java.security.PrivilegedAction;
49
50 import org.eclipse.jgit.util.SystemReader;
51
52 /**
53 * An alternative PrintWriter that doesn't catch exceptions.
54 *
55 * @since 2.2
56 */
57 public class ThrowingPrintWriter extends Writer {
58
59 private final Writer out;
60
61 private final String LF;
62
63 /**
64 * Construct a JGitPrintWriter
65 *
66 * @param out
67 * the underlying {@link Writer}
68 */
69 public ThrowingPrintWriter(Writer out) {
70 this.out = out;
71 LF = AccessController.doPrivileged(new PrivilegedAction<String>() {
72 public String run() {
73 return SystemReader.getInstance().getProperty("line.separator"); //$NON-NLS-1$
74 }
75 });
76 }
77
78 @Override
79 public void write(char[] cbuf, int off, int len) throws IOException {
80 out.write(cbuf, off, len);
81 }
82
83 @Override
84 public void flush() throws IOException {
85 out.flush();
86 }
87
88 @Override
89 public void close() throws IOException {
90 out.close();
91 }
92
93 /**
94 * Print a string and terminate with a line feed.
95 *
96 * @param s
97 * @throws IOException
98 */
99 public void println(String s) throws IOException {
100 print(s + LF);
101 }
102
103 /**
104 * Print a platform dependent new line
105 *
106 * @throws IOException
107 */
108 public void println() throws IOException {
109 print(LF);
110 }
111
112 /**
113 * Print a char
114 *
115 * @param value
116 * @throws IOException
117 */
118 public void print(char value) throws IOException {
119 print(String.valueOf(value));
120 }
121
122 /**
123 * Print an int as string
124 *
125 * @param value
126 * @throws IOException
127 */
128 public void print(int value) throws IOException {
129 print(String.valueOf(value));
130 }
131
132 /**
133 * Print a long as string
134 *
135 * @param value
136 * @throws IOException
137 */
138 public void print(long value) throws IOException {
139 print(String.valueOf(value));
140 }
141
142 /**
143 * Print a short as string
144 *
145 * @param value
146 * @throws IOException
147 */
148 public void print(short value) throws IOException {
149 print(String.valueOf(value));
150 }
151
152 /**
153 * Print a formatted message according to
154 * {@link String#format(String, Object...)}.
155 *
156 * @param fmt
157 * @param args
158 * @throws IOException
159 */
160 public void format(String fmt, Object... args) throws IOException {
161 print(String.format(fmt, args));
162 }
163
164 /**
165 * Print an object's toString representations
166 *
167 * @param any
168 * @throws IOException
169 */
170 public void print(Object any) throws IOException {
171 out.write(String.valueOf(any));
172 }
173 }