java - How to zip files from my result? -


this question has answer here:

i need know how can zip files result, files older 30 jan in folder , need zip them, can do??

please see code: 

       package agefilefilter;         import java.io.file;        import java.io.filefilter;        import java.io.ioexception;        import java.util.date        import java.util.gregoriancalendar;         import org.apache.commons.io.filefilter.agefilefilter;   public class agefilefiltertest {     public static void main(string[] args) throws ioexception {        file directory = new file("c:\\users\\kroon_000\\desktop\\files");        gregoriancalendar cal = new gregoriancalendar();       cal.set(2014, 0, 30, 0, 0, 0); // january 30th, 2014       date cutoffdate = cal.gettime();         system.out.println("\nbefore " + cutoffdate);       displayfiles(directory, new agefilefilter(cutoffdate));         }       public static void displayfiles(file directory, filefilter filefilter) {       file[] files = directory.listfiles(filefilter);       (file file : files) {       date lastmod = new date(file.lastmodified());       system.out.println("file: " + file.getname() + ", date: " + lastmod + "");       }      }      }

result: 

    before thu jan 30 00:00:00 cat 2014     file: 2014-01-12-17-37-28-11304-processed_inst-11304-20140112-120140112.zip, date:        sun jan 12 17:37:29 cat 2014     file: bill issuer summary - 2014-01-23 2014-01-23.pdf, date: fri jan 24 02:18:39 cat 2014     file: cape agulhas settlement 2013-12-02 2013-12-02.csv, date: tue dec 03 09:24:06 cat 2013     file: cape agulhas settlement 2013-12-02 2013-12-02.pdf, date: tue dec 03 09:24:06 cat 2013     file: cape agulhas store trans 2013-12-02 2013-12-02.csv, date: tue dec 03 09:24:09 cat 2013 

public static void zip(string[] files, string zipfile) throws ioexception {     bufferedinputstream origin = null;     zipoutputstream out = new zipoutputstream(new bufferedoutputstream(new fileoutputstream(zipfile)));     try {          byte data[] = new byte[buffer_size];          (int = 0; < files.length; i++) {             fileinputstream fi = new fileinputstream(files[i]);                 origin = new bufferedinputstream(fi, buffer_size);             try {                 zipentry entry = new zipentry(files[i].substring(files[i].lastindexof("/") + 1));                 out.putnextentry(entry);                 int count;                 while ((count = origin.read(data, 0, buffer_size)) != -1) {                     out.write(data, 0, count);                 }             }             {                 origin.close();             }         }     }     {         out.close();     } }

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