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1
6
7 package org.contineo.core;
8
9 import java.io.BufferedInputStream  ;
10 import java.io.File ;
11 import java.io.FileInputStream ;
12 import java.io.FileOutputStream ;
13 import java.io.IOException ;
14 import java.io.InputStream ;
15 import java.io.OutputStream ;
16
17 import org.apache.log4j.Level;
18 import org.apache.log4j.Logger;
19
24 public class FileBean {
25 static final int BUFF_SIZE = 100000;
26 static final byte[] buffer = new byte[BUFF_SIZE];
27
28
33 public static boolean deleteFile(String filename) {
34 File f = new File (filename);
35 boolean result = false;
36 try {
37 result = f.delete();
38 }
39 catch (Exception ex) {
40 logError(ex.getMessage());
41 }
42 return result;
43 }
44
45 public static boolean createDir(String dirname) {
46 File f = new File (dirname);
47 boolean result = false;
48 try {
49 result = f.mkdirs();
50 }
51 catch (Exception ex) {
52 logError(ex.getMessage());
53 }
54 return result;
55 }
56
57 public static boolean renameFile(String filename, String newfilename) {
58 File f = new File (filename);
59 File nf = new File (newfilename);
60 boolean result = false;
61 try {
62 result = f.renameTo(nf);
63 }
64 catch (Exception ex) {
65 logError(ex.getMessage());
66 }
67 return result;
68 }
69
70 public static boolean copyFile(String filename, String newfilename) {
71 boolean result = false;
72 try {
73 File out = new File (newfilename);
74 InputStream fis = new FileInputStream (filename);
75 OutputStream fos = new FileOutputStream (out);
76 int buffer = 0;
77 while ((buffer = fis.read()) != -1) {
78 fos.write(buffer);
79 }
80 fis.close();
81 fos.close();
82 result = true;
83 }
84 catch (Exception ex) {
85 logError(ex.getMessage());
86 }
87 return result;
88 }
89
90 public static boolean copyDir(String dirname, String newdir) {
91 boolean result = false;
92 try {
93 createDir(newdir);
94 File f = new File (dirname);
95 if (f.isDirectory()) {
96 String [] files = f.list();
97 for (int i=0; i<files.length; i++) {
98 File file = new File (dirname + "/" + files[i]);
99 if (file.isDirectory())
100 copyDir(f.getAbsolutePath() + "/" + files[i], newdir + "/" + files[i]);
101 else
102 copyFile(f.getAbsolutePath() + "/" + files[i], newdir + "/" + files[i]);
103 }
104 } else {
105 copyFile(dirname, newdir);
106 }
107 result = true;
108 } catch (Exception e) {
109 logError(e.getMessage());
110 }
111 return result;
112 }
113
114 public static boolean deleteDir(String dirname) {
115 try {
116 return deleteDir(new File (dirname));
117 } catch (Exception ex) {
118 logError(ex.getMessage());
119 }
120 return false;
121 }
122
123 public static boolean deleteDir(File file) {
124 boolean result = true;
125 try {
126 if (!file.exists())
127 return true;
128
129 if (file.isDirectory()) {
130 File [] files = file.listFiles();
131 for (int i=0;i<files.length;i++) {
132 result = deleteDir(files[i]);
133 }
134 result = file.delete();
135 } else {
136 result = file.delete();
137 }
138 } catch (Exception ex) {
139 logError(ex.getMessage());
140 result = false;
141 }
142 return result;
143 }
144
145 public static boolean exists(String filename) {
146 try {
147 File file = new File (filename);
148 return file.exists();
149 } catch (Exception e) {
150 logError(e.getMessage());
151 return false;
152 }
153 }
154
155 public static long getSize(String filename) {
156 File f = new File (filename);
157 if (f.length() > 1024)
158 return f.length();
159 else
160 return 1024;
161 }
162
163 public static StringBuffer readFile(String filename) {
164 StringBuffer content = new StringBuffer ();
165 try {
166 File file = new File (filename);
167 BufferedInputStream bis = new BufferedInputStream (new FileInputStream (file));
168 int ichar = 0;
169 while ((ichar = bis.read()) > 0) {
170 content.append((char)ichar);
171 }
172 bis.close();
173 } catch (Exception ex) {
174 logError(ex.getMessage());
175 }
176
177 return content;
178 }
179
180 public static void writeFile(InputStream in, String filepath) {
181 OutputStream os = null;
182 try {
183 os = new FileOutputStream (filepath);
184
185 while (true) {
186 synchronized (buffer) {
187 int amountRead = in.read(buffer);
188 if (amountRead == -1)
189 break;
190 os.write(buffer, 0, amountRead);
191 }
192 }
193 }
194 catch (Exception e) {
195 logError(e.getMessage());
196 }
197 finally {
198 try {
199 if (in != null)
200 in.close();
201 if (os != null)
202 os.close();
203 } catch (IOException e) {
204 logError(e.getMessage());
205 }
206 }
207 }
208
209 public static void writeFile(String text, String filepath) {
210 try {
211 OutputStream bos = new FileOutputStream (filepath);
212 bos.write(text.getBytes());
213 bos.close();
214 }
215 catch (Exception e) {
216 logError(e.getMessage());
217 }
218 }
219
220 public static void appendFile(String text, String filepath) {
221 try {
222 OutputStream bos = new FileOutputStream (filepath, true);
223 bos.write(text.getBytes());
224 bos.close();
225 } catch (Exception e) {
226 logError(e.getMessage());
227 }
228 }
229
230 private static void logError(String message) {
231 Logger logger = LoggingManager.getLogger(org.contineo.core.FileBean.class);
232 if (logger.isEnabledFor(Level.ERROR))
233 logger.error(message);
234 }
235 }
236 |
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