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1
10
11 package analyzer.unzip;
12
13 import java.util.zip.*;
14 import java.io.*;
15
16
20 public class Unzipper {
21
22
23 public Unzipper() {
24 }
25
26 public static void unzip(String  path){
27 String sep=System.getProperty("file.separator");
28 try{
29 File dir = new File(path);
30 FilenameFilter filter = new FilenameFilter() {
31 public boolean accept(File dir, String name) {
32 return name.endsWith(".zip");
33 }
34 };
35 String zips[]=dir.list(filter);
36 if(zips==null||zips.length==0)return;
37
38 for(int i=0;i<zips.length;i++){
39 int dotIndex=zips[i].lastIndexOf(".");
40 String dirName=zips[i].substring(0, dotIndex);
41 String filePath=path.equals(".")?"":path+sep;
42 System.out.println("filePath:"+filePath);
43 File f=new File(filePath+dirName);
44 f.mkdir();
45 InputStream in = new BufferedInputStream(new FileInputStream(filePath+zips[i]));
46 ZipInputStream zin = new ZipInputStream(in);
47 ZipEntry e;
48 while((e=zin.getNextEntry())!= null) {
49 unzip(zin, filePath+dirName+sep+e.getName());
50 }
51 zin.close();
52 if(dirName.endsWith("user")){
53 System.out.println("recursion:"+filePath+" "+dirName);
54 unzip(filePath+dirName);
55 }else{
56 File delete=new File(filePath+zips[i]);
57 delete.delete();
58 }
59 }
60 }catch(Exception e){
61 System.out.println("exception while unzipping");
62 e.printStackTrace();
63 }
64 }
65
66 public static void unzip(ZipInputStream zin, String s) throws IOException {
67 System.out.println("unzipping " + s);
68 FileOutputStream out = new FileOutputStream(s);
69 byte [] b = new byte[512];
70 int len = 0;
71 while ( (len=zin.read(b))!= -1 ) {
72 out.write(b,0,len);
73 }
74 out.close();
75 }
76
77 }
78 |
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