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1
3 package jodd.io;
4
5 import java.io.File  ;
6 import java.io.FileOutputStream ;
7 import java.io.IOException ;
8 import java.io.InputStream ;
9 import java.io.OutputStream ;
10 import java.util.Enumeration ;
11 import java.util.zip.ZipEntry ;
12 import java.util.zip.ZipFile ;
13
14
18 public class ZipUtil {
19
20
22
24
25
33 public static void unzip(File zipFile, File destDir) throws IOException {
34 ZipFile zip = new ZipFile (zipFile);
35 Enumeration en = zip.entries();
36
37 while (en.hasMoreElements()) {
38 ZipEntry entry = (ZipEntry ) en.nextElement();
39 File file = (destDir != null) ? new File (destDir, entry.getName()) : new File (entry.getName());
40 if (entry.isDirectory()) {
41 if (!file.mkdirs()) {
42 if (file.isDirectory() == false) {
43 throw new IOException ("Error creating directory: " + file);
44 }
45 }
46 } else {
47 File parent = file.getParentFile();
48 if (parent != null && !parent.exists()) {
49 if (!parent.mkdirs()) {
50 if (file.isDirectory() == false) {
51 throw new IOException ("Error creating directory: " + parent);
52 }
53 }
54 }
55
56 InputStream in = zip.getInputStream(entry);
57 OutputStream out = null;
58 try {
59 out = new FileOutputStream (file);
60 StreamUtil.copy(in, out);
61 } finally {
62 StreamUtil.close(out);
63 StreamUtil.close(in);
64 }
65 }
66 }
67 }
68
69 }
70 |
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Java API By Example, From Geeks To Geeks.