[Android] android zip file make

gistfile1.txt

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

public class HZipUtil {
	
	byte[] buffer = new byte[4096];
	
	public void zip(String targetPath, String returnPath) {
		try {
			File targetFile = new File(targetPath);

			ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(new File(returnPath)));
			
			if (targetFile.isDirectory()) {
				File[] file = targetFile.listFiles();
				for (int i = 0; i < file.length; i++) {
					addZipFile(zos, file[i]);
				}

			} else {
				addZipFile(zos, targetFile);
			}

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

	}

	private void addZipFile(ZipOutputStream zos, File file) throws IOException {

		int len;
		
		zos.putNextEntry(new ZipEntry(file.getName()));

		FileInputStream fis = new FileInputStream(file.getAbsolutePath());

		while ((len = fis.read(buffer)) > 0) {
			zos.write(buffer, 0, len);
		}

		fis.close();
	}
}