Compresser.java

package br.unifor.exercise_2_6;

//Compresser Centralizado

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class Compresser {

 public static void compress(String fileName){
         FileOutputStream fos;
		try {
			fos = new FileOutputStream("atest.zip");
			ZipOutputStream zos = new ZipOutputStream(fos);
	        
	         addToZipFile(fileName, zos);

	         zos.close();
	         fos.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
         
 }

 public static void addToZipFile(String fileName, ZipOutputStream zos) throws FileNotFoundException, IOException {

     System.out.println("Writing '" + fileName + "' to zip file");

     File file = new File(fileName);
     FileInputStream fis = new FileInputStream(file);
     ZipEntry zipEntry = new ZipEntry(fileName);
     zos.putNextEntry(zipEntry);

     byte[] bytes = new byte[1024];
     int length;
     while ((length = fis.read(bytes)) >= 0) {
         zos.write(bytes, 0, length);
     }

     zos.closeEntry();
     fis.close();
 }

 public static void main(String[] args) throws FileNotFoundException, IOException {
     String basePath = "/home/jaga/";
	 List<String> fileNames = new ArrayList<String>();
	 String fileName = "";
   
	 for (String a : args) {
	     fileName = basePath + a + ".txt";
	     long tempoInicio = System.currentTimeMillis();
	     Compresser.compress(fileName);
	     System.out.println("Tempo Total: "+(System.currentTimeMillis()-tempoInicio)+" milisegundos.");
	 }
 }
}