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1 package com.bull.eclipse.jonas.utils;
2
3
7
8 import java.io.BufferedInputStream  ;
9 import java.io.BufferedOutputStream ;
10 import java.io.BufferedReader ;
11 import java.io.File ;
12 import java.io.FileInputStream ;
13 import java.io.FileOutputStream ;
14 import java.io.FileWriter ;
15 import java.io.IOException ;
16 import java.io.InputStreamReader ;
17
18 import com.bull.eclipse.jonas.JonasLauncherPlugin;
19
20
21
24
25 public class FileUtil {
26
27 public static String readTextFile(File f) throws IOException {
28
29 StringBuffer buf = new StringBuffer ();
30
31 BufferedReader in = new BufferedReader (new InputStreamReader (new FileInputStream (f)));
32 String inputLine;
33 while ((inputLine = in.readLine()) != null) {
34 buf.append(inputLine);
35 buf.append('\n');
36 }
37
38 in.close();
39 return buf.toString();
40
41 }
42
43 public static void toTextFile(File f, String content) throws IOException {
44 FileWriter out = new FileWriter (f);
45 out.write(content);
46 out.close();
47 }
48
49
50 public static void copy(String inputFilename, String outputFilename) throws IOException {
51 FileUtil.copy(new File (inputFilename), new File (outputFilename));
52 }
53
54
57 public static void copy(File input, File output) throws IOException {
58 if(input.isDirectory() && output.isDirectory()) {
59 FileUtil.copyDir(input, output);
60 } else {
61 FileUtil.copyFile(input, output);
62 }
63 }
64
65
68 public static void copyFile(File inputFile, File outputFile) throws IOException {
69 JonasLauncherPlugin.log(inputFile.toString());
70 JonasLauncherPlugin.log(outputFile.toString());
71 BufferedInputStream fr = new BufferedInputStream (new FileInputStream (inputFile));
72 BufferedOutputStream fw = new BufferedOutputStream (new FileOutputStream (outputFile));
73 byte[] buf = new byte[8192];
74 int n;
75 while((n = fr.read(buf)) >= 0)
76 fw.write(buf,0,n);
77 fr.close();
78 fw.close();
79 }
80
81
84 public static void copyDir(File inputDir, File outputDir) throws IOException {
85 File [] files = inputDir.listFiles();
86 for(int i=0; i<files.length; i++) {
87 File destFile = new File (outputDir.getAbsolutePath() + File.separator + files[i].getName());
88 if(!destFile.exists()) {
89 if(files[i].isDirectory()) {
90 destFile.mkdir();
91 }
92 }
93 FileUtil.copy(files[i], destFile);
94 }
95 }
96
97
98
101
102 public static boolean dirContainsFiles(File dir, String extension, boolean recursive) {
103 File [] files = dir.listFiles();
104 for(int i=0; i<files.length; i++) {
105 if(files[i].isFile() && files[i].getName().endsWith(extension))
106 return true;
107 if(recursive && files[i].isDirectory())
108 return FileUtil.dirContainsFiles(files[i], extension, recursive);
109 }
110
111 return false;
112 }
113
114
117 public static String readPropertyInXMLFile(File file, String property) throws IOException {
118 String content = FileUtil.readTextFile(file);
119 int startTagIdx = content.indexOf("<" + property + ">");
120 int endTagIdx = content.indexOf("</" + property + ">");
121 if (startTagIdx == -1)
122 throw new IOException ("Property " + property + " not found in file " + file);
123
124 return content.substring(startTagIdx + property.length() + 2, endTagIdx);
125 }
126
127
128
132 public static void removeDir(File dir) throws IOException {
133 File [] files = dir.listFiles();
134 for (int i = 0; i < files.length; i++) {
135 if(files[i].isDirectory()) {
136 FileUtil.removeDir(files[i]);
137 } else {
138 files[i].delete();
139 }
140 }
141 dir.delete();
142 }
143
144 }
145 |
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