File D:\maven-qcr-plugin-testsunitaires\qcr4java\jenkins-master\target\site\qc\core\src\main\java\hudson\util\TextFile.java.html

1 /*
2 * The MIT License
3 *
4 * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 package hudson.util;
25
26 import java.io.BufferedReader;
27 import java.io.File;
28 import java.io.FileInputStream;
29 import java.io.IOException;
30 import java.io.InputStreamReader;
31 import java.io.PrintWriter;
32 import java.io.StringWriter;
33
34 /**
35 * Represents a text file.
36 *
37 * Provides convenience methods for reading and writing to it.
38 *
39 * @author Kohsuke Kawaguchi
40 */
41 public class TextFile {
42 public final File file;
43
44 public TextFile(File file) {
45 this.file = file;
46 }
47
48 public boolean exists() {
49 return file.exists();
50 }
51
52 public void delete() {
53 file.delete();
54 }
55
56 /**
57 * Reads the entire contents and returns it.
58 */
59 public String read() throws IOException {
60 StringWriter out = new StringWriter();
61 PrintWriter w = new PrintWriter(out);
62 BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(file),"UTF-8"));
63 try {
64 String line;
65 while((line=in.readLine())!=null)
66 w.println(line);
67 } finally{
68 in.close();
69 }
70 return out.toString();
71 }
72
73 /**
74 * Overwrites the file by the given string.
75 */
76 public void write(String text) throws IOException {
77 file.getParentFile().mkdirs();
78 AtomicFileWriter w = new AtomicFileWriter(file);
79 try {
80 w.write(text);
81 w.commit();
82 } finally {
83 w.abort();
84 }
85 }
86
87 public String readTrim() throws IOException {
88 return read().trim();
89 }
90
91 @Override
92 public String toString() {
93 return file.toString();
94 }
95 }
96