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1
5 package com.tc.util.io;
6
7 import java.io.File  ;
8 import java.io.FileInputStream ;
9 import java.io.FileOutputStream ;
10 import java.io.IOException ;
11 import java.io.InputStream ;
12 import java.io.OutputStream ;
13 import java.util.Iterator ;
14 import java.util.LinkedList ;
15 import java.util.List ;
16
17 public class FileUtils {
18
19
22 public static void forceDelete(File directory, String extension) throws IOException {
23 Iterator files = org.apache.commons.io.FileUtils.iterateFiles(directory, new String [] { extension }, false);
24 while (files.hasNext()) {
25 File f = (File ) files.next();
26 org.apache.commons.io.FileUtils.forceDelete(f);
27 }
28 }
29
30
33 public static void copyFile(File src, File dest) throws IOException {
34 List queue = new LinkedList ();
35 queue.add(new CopyTask(src.getCanonicalFile(), dest.getCanonicalFile()));
36
37 while (queue.size() > 0) {
38 CopyTask item = (CopyTask) queue.remove(0);
39 if (item.getSrc().isDirectory()) {
40 File destDir = item.getDest();
41 destDir.mkdirs();
42
43 if (!destDir.isDirectory()) { throw new IOException ("Destination directory does not exist: " + destDir); }
44
45 String [] list = item.getSrc().list();
46 for (int i = 0; i < list.length; i++) {
47 File _src = new File (item.getSrc(), list[i]);
48 File _dest = new File (item.getDest(), list[i]);
49 queue.add(new CopyTask(_src, _dest));
50 }
51 } else if (item.getSrc().isFile()) {
52 doCopy(item.getSrc(), item.getDest());
53 } else {
54 throw new IOException (item.getSrc() + " is neither a file or a directory");
55 }
56 }
57
58 }
59
60 private static void doCopy(File src, File dest) throws IOException {
61 FileInputStream in = null;
62 FileOutputStream out = null;
63 byte[] buffer = new byte[1024 * 8];
64 int count;
65 try {
66 in = new FileInputStream (src);
67 out = new FileOutputStream (dest);
68 while ((count = in.read(buffer)) >= 0) {
69 out.write(buffer, 0, count);
70 }
71 } finally {
72 closeQuietly(in);
73 closeQuietly(out);
74 }
75 }
76
77 private static class CopyTask {
78 private final File src;
79 private final File dest;
80
81 public CopyTask(File src, File dest) {
82 this.src = src;
83 this.dest = dest;
84 }
85
86 public File getSrc() {
87 return src;
88 }
89
90 public File getDest() {
91 return dest;
92 }
93 }
94
95 public static void closeQuietly(InputStream is) {
96 if (is != null) {
97 try {
98 is.close();
99 } catch (IOException ioe) {
100 }
102 }
103 }
104
105 public static void closeQuietly(OutputStream os) {
106 if (os != null) {
107 try {
108 os.close();
109 } catch (IOException ioe) {
110 }
112 }
113 }
114
115 }
116 |
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