Java read zip file Java Read compressed file extract zip inside the specified format file

On the internet to see a lot of examples, the result is very disappointing, so decided to write an example, to provide you with reference to study; no more nonsense. See examples directly:

Package com.em.test.client;

Import Java.io.BufferedOutputStream;
Import Java.io.File;
Import java.io.FileNotFoundException;
Import Java.io.FileOutputStream;
Import java.io.IOException;
Import Java.io.InputStream;
Import java.util.Enumeration;
Import Java.util.zip.ZipEntry;
Import Java.util.zip.ZipFile;

/**
* Read the files in the compressed package (. zip)
*
* @author TDW
*
*/
public class Testzip {

public static void Main (String args[]) {
String file = "C://images.zip";
String saverootdirectory= "c://test/";
Zipfileread (file,saverootdirectory);
}

private static void Zipfileread (String file,string saverootdirectory) {
try {
ZipFile zipfile = new ZipFile (file);
@SuppressWarnings ("Unchecked")
Enumeration<zipentry> enu = (enumeration<zipentry>) zipfile.entries ();
while (Enu.hasmoreelements ()) {
ZipEntry zipelement = (zipentry) enu.nextelement ();
InputStream read = Zipfile.getinputstream (zipelement);
String fileName = Zipelement.getname ();
if (filename!= null && filename.indexof (".")!=-1) {//is a file (file with path such as:/images/a.jpg)
Execute (zipelement,read,saverootdirectory);
}
}
catch (Exception e) {
E.printstacktrace ();
}
}

private static void execute (ZipEntry ze, inputstream read,string saverootdirectory)
Throws FileNotFoundException, IOException {
If you only read the picture, make your own decision OK.
String fileName = Ze.getname ();
if (Filename.lastindexof (". jpg")!=-1 | | | filename.lastindexof (". bmp")!=-1
//            || Filename.lastindexof (". jpeg")!=-1) {//Specify the file format to extract (these formats can be extracted in a collection or string array via parameter passing in, method more general)
File File = new file (saverootdirectory + fileName);
if (!file.exists ()) {
File Rootdirectoryfile = new file (File.getparent ());
Create a table of contents
if (!rootdirectoryfile.exists ()) {
Boolean ifsuccess = Rootdirectoryfile.mkdirs ();
if (ifsuccess) {
System.out.println ("Folder creation successful!");
} else {
System.out.println ("File creation failed!");
}
}
Create a file
try {
File.createnewfile ();
catch (IOException e) {
E.printstacktrace ();
}
}