java zip 压缩文件

1.

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;
public class ZipUtils {
    public static boolean zip(String outputFileName, String inputFileName) {
        ZipOutputStream out;
        try {
            out = new ZipOutputStream(new FileOutputStream(outputFileName));
            zip(out, new File(inputFileName), "");
            out.close();
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }
    public static void zip(String inputFileName) {
        String fileName = inputFileName.substring(0, inputFileName.lastIndexOf("/"));
        zip(fileName + ".zip", inputFileName);
    }
    private static void zip(ZipOutputStream out, File f, String base) throws Exception {
        if (f.isDirectory()) {
            File[] fl = f.listFiles(new FilenameFilter(){
				@Override
				public boolean accept(File dir, String name) {
					// TODO Auto-generated method stub
					boolean flag = true;
					if(dir!=null&&dir.getPath().split("/")[dir.getPath().split("/").length-1].equals(".svn")){
						flag= false;
					}
					if(dir!=null&&dir.getPath().split("/")[dir.getPath().split("/").length-1].equals("logs")){
						flag= false;
					}
					if(dir!=null&&dir.getPath().split("/")[dir.getPath().split("/").length-1].equals("lib")){
						flag= false;
					}
				    if(flag){
				    	System.out.println(dir+"-----"+name);
				    }
					return flag;
				}
            	
            });
            out.putNextEntry(new ZipEntry(base + "/"));
            base = base.length() == 0 ? "" : base + "/";
            for (int i = 0; i < fl.length; i++) {
                zip(out, fl[i], base + fl[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 unzip(String outputFileName) {
        int index = outputFileName.lastIndexOf(".");
        String inputFileName = outputFileName.substring(0, index);
        unzip(outputFileName, inputFileName);
    }
    public static void unzip(String zipFilename, String outputDirectory) {
        try {
            File outFile = new File(outputDirectory);
            if (!outFile.exists()) {
                outFile.mkdirs();
            }
            ZipFile zipFile = new ZipFile(zipFilename);
            Enumeration en = zipFile.entries();
            ZipEntry zipEntry = null;
            while (en.hasMoreElements()) {
                zipEntry = (ZipEntry) en.nextElement();
                if (zipEntry.isDirectory()) {
                    // mkdir directory
                    String dirName = zipEntry.getName();
                    dirName = dirName.substring(0, dirName.length() - 1);
                    File f = new File(outFile.getPath() + "/" + dirName);
                    f.mkdirs();
                } else {
                    // unzip file
                    File f = new File(outFile.getPath() + "/" + zipEntry.getName());
                    f.createNewFile();
                    InputStream in = zipFile.getInputStream(zipEntry);
                    FileOutputStream out = new FileOutputStream(f);
                    int c;
                    byte[] by = new byte[1024];
                    while ((c = in.read(by)) != -1) {
                        out.write(by, 0, c);
                    }
                    out.close();
                    in.close();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static void main(String[] args){
    	System.currentTimeMillis();
    	zip("/home/liguojun/wowowo.zip","/home/liguojun/workspace/JShop/WebRoot/js");
    	//zip("/home/liguojun/workspace/JShop/WebRoot/js");
    }
}