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 @Override
73 public String run() {
74 return SystemReader.getInstance().getProperty("line.separator"); //$NON-NLS-1$
75 }
76 });
77 }
78
79 @Override
80 public void write(char[] cbuf, int off, int len) throws IOException {
81 out.write(cbuf, off, len);
82 }
83
84 @Override
85 public void flush() throws IOException {
86 out.flush();
87 }
88
89 @Override
90 public void close() throws IOException {
91 out.close();
92 }
93
94 /**
95 * Print a string and terminate with a line feed.
96 *
97 * @param s
98 * @throws IOException
99 */
100 public void println(String s) throws IOException {
101 print(s + LF);
102 }
103
104 /**
105 * Print a platform dependent new line
106 *
107 * @throws IOException
108 */
109 public void println() throws IOException {
110 print(LF);
111 }
112
113 /**
114 * Print a char
115 *
116 * @param value
117 * @throws IOException
118 */
119 public void print(char value) throws IOException {
120 print(String.valueOf(value));
121 }
122
123 /**
124 * Print an int as string
125 *
126 * @param value
127 * @throws IOException
128 */
129 public void print(int value) throws IOException {
130 print(String.valueOf(value));
131 }
132
133 /**
134 * Print a long as string
135 *
136 * @param value
137 * @throws IOException
138 */
139 public void print(long value) throws IOException {
140 print(String.valueOf(value));
141 }
142
143 /**
144 * Print a short as string
145 *
146 * @param value
147 * @throws IOException
148 */
149 public void print(short value) throws IOException {
150 print(String.valueOf(value));
151 }
152
153 /**
154 * Print a formatted message according to
155 * {@link String#format(String, Object...)}.
156 *
157 * @param fmt
158 * @param args
159 * @throws IOException
160 */
161 public void format(String fmt, Object... args) throws IOException {
162 print(String.format(fmt, args));
163 }
164
165 /**
166 * Print an object's toString representations
167 *
168 * @param any
169 * @throws IOException
170 */
171 public void print(Object any) throws IOException {
172 out.write(String.valueOf(any));
173 }
174 }