포커페이스 엔지니어

여러개의 파일을 압축된 형태로 저장할때 사용함..

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import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipTest {

 private static final int COMPRESSION_LEVEL = 8;

 private static void zipEntry(String strZipEntryName,
   byte[] buffer, ZipOutputStream zipOutputStream)
   throws Exception {

  try {
   ZipEntry zentry = new ZipEntry(strZipEntryName);
   zipOutputStream.putNextEntry(zentry);

   int cnt = buffer.length;
   zipOutputStream.write(buffer, 0, cnt);

   zipOutputStream.closeEntry();
  } catch (Exception e) {
   e.printStackTrace();
  } finally {

  }
 }

 public static void zip(String fileName)
   throws IOException {

  if (fileName.substring(fileName.lastIndexOf(".")).equalsIgnoreCase(".zip")==false)
   return;
  
  BufferedOutputStream outputStream = null;
  ZipOutputStream zipOutputStream = null;
  try {
   outputStream = new BufferedOutputStream(new FileOutputStream(fileName));
   zipOutputStream = new ZipOutputStream(outputStream);
   zipOutputStream.setLevel(COMPRESSION_LEVEL);

   String innterfilename = null;
   byte[] data = null;
   
   // Test code
   
   innterfilename = "1/0/0/0/a.dat";
   data = "aa".getBytes();
   zipEntry(innterfilename, data, zipOutputStream);
   
   innterfilename = "1/0/0/1/b.dat";
   data = "bb".getBytes();
   zipEntry(innterfilename, data, zipOutputStream);

   // end of test code
   
   zipOutputStream.finish();
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   if (zipOutputStream != null) {
    zipOutputStream.close();
   }
   if (outputStream != null) {
    outputStream.close();
   }
  }
 }

 /**
  * @param args
  */
 public static void main(String[] args) throws Exception{
  // TODO Auto-generated method stub
  ZipTest.zip("C:/Test.zip");
 }

}