package com.pdw.datastruts;

import java.io.*;
import org.apache.tools.ant.*;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;

public class ZipDemo {

?public ZipDemo() {?
?}
?? /**
??? *
??? * @param inputFileName
??? */
?public void Zip(String inputFileName)throws Exception {
??String targetFile="c:/abc.zip";
??System.out.println("output zip file name->"+targetFile);
??Zip(targetFile,new File(inputFileName));
?}
?
?public void Zip(String zipFileName,File inputFile)throws Exception {
??ZipOutputStream out=new ZipOutputStream(new FileOutputStream(zipFileName));
??Zip(out,inputFile,"");
??System.out.println("zip done ");
??out.close();
?}
?
?public void Zip(ZipOutputStream out,File f,String base)throws Exception{
??if(f.isDirectory()) {
???File[] ary_f=f.listFiles();
???out.putNextEntry(new ZipEntry(base+"/"));
???base=base.length()==0?"":base+"/";
???for(int i=0;i<ary_f.length;i++) {
????Zip(out,ary_f[i],base+ary_f[i].getName());
???}
??}else {
???out.putNextEntry(new ZipEntry(base));
???FileInputStream in=new FileInputStream(f);
???int b;
???System.out.println(base);
???while((b=in.read())!=-1) {
????out.write(b);
???}
???in.close();
??}
?}
?
?public static void main(String[] args) {
??ZipDemo zipDemo=new ZipDemo();
??try {
???zipDemo.Zip("C:\\z");
??} catch (Exception e) {
???e.printStackTrace();
??}
?}
}