Share examples of apache ant performing zip decompression operation

You need to import the ant.jar package and download it on the apache website (http://ant.apache.org/bindownload.cgi).

The code copy is as follows:

import java.io.BufferedInputStream;

import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.zip.ZipOutputStream;

import org.apache.tools.ant.Project;

import org.apache.tools.ant.taskdefs.Expand;

import org.apache.tools.zip.ZipEntry;

import com.xyq.io.util.CloseIoUtil;

public class ZipUtil {

private static final String ENCODE = "UTF-8";

public static void zip(String inputFilePath, String zipFileName) {

File inputFile = new File(inputFilePath);

if (!inputFile.exists())

throw new RuntimeException("The original file does not exist!!!");

File basetarZipFile = new File(zipFileName).getParentFile();

if (!basetarZipFile.exists() && !basetarZipFile.mkdirs())

throw new RuntimeException("The target file cannot be created!!!");

BufferedOutputStream bos = null;

FileOutputStream out = null;

ZipOutputStream zOut = null;

try {

// Create file output object out, prompt: Pay attention to Chinese support

out = new FileOutputStream(new String(zipFileName.getBytes(ENCODE)));

bos = new BufferedOutputStream(out);

// File output streaming is connected

zOut = new ZipOutputStream(bos);

zip(zOut, inputFile, inputFile.getName());

CloseIoUtil.closeAll(zOut, bos, out);

} catch (Exception e) {

e.printStackTrace();

}

}

private static void zip(ZipOutputStream zOut, File file, String base) {

try {

// If the file handle is a directory

if (file.isDirectory()) {

// Get the file in the directory

File[] listFiles = file.listFiles();

// Create a ZIP entry

zOut.putNextEntry(new ZipEntry(base + "/"));

base = (base.length() == 0 ? "" : base + "/");

if (listFiles != null && listFiles.length > 0)

//Travel the files in the directory

for (File f : listFiles)

// Recursively enter this method

zip(zOut, f, base + f.getName());

}

// If the file handle is a file

else {

if (base == "") {

base = file.getName();

}

// Fill in the file handle

zOut.putNextEntry(new ZipEntry(base));

// Start compression

// Read from file inflow, write to ZIP outflow

writeFile(zOut, file);

}

} catch (Exception e) {

e.printStackTrace();

}

}

private static void writeFile(ZipOutputStream zOut, File file)

throws IOException {

FileInputStream in = null;

BufferedInputStream bis = null;

in = new FileInputStream(file);

bis = new BufferedInputStream(in);

int len ​​= 0;

byte[] buff = new byte[2048];

while ((len = bis.read(buff)) != -1)

zOut.write(buff, 0, len);

zOut.flush();

CloseIoUtil.closeAll(bis, in);

}

/***

* Decompression

*

* @param zipPath

* zip file path

* @param destinationPath

* Decompression destination

* @param ecode

* Encoded character set of filenames

*/

public static void unZip(String zipPath, String destinationPath) {

File zipFile = new File(zipPath);

if (!zipFile.exists())

throw new RuntimeException("zip file " + zipPath

+ " does not exist.");

Project proj = new Project();

Expand expand = new Expand();

expand.setProject(proj);

expand.setTaskType("unzip");

expand.setTaskName("unzip");

expand.setSrc(zipFile);

expand.setDest(new File(destinationPath));

expand.setEncoding(ENCODE);

expand.execute();

System.out.println("unzip done!!!");

}

public static void main(String[] args) {

String dir = new String("F://My backup//Document//MyEclipse+9.0 official version cracking and activation (professional test available)");

dir = new String("F:/111.JPG");

zip(dir, "f:/BZBXB/zipant.zip");

unZip("f:/BZBXB/zipant.zip", "f:/XX/xx/");

}

}