자바 파일 압축 방법 메소드

public static boolean createZipFile(String sourceFile, String createZip) throws IOException{

boolean result=true;

byte[] buf=new byte[1024];

try{

ZipOutputStream zipOut=new ZipOutputStream(new FileOutputStream(createZip));

File inFile=new File(sourceFile);

FileInputStream in=new FileInputStream(inFile);

zipOut.putNextEntry(new ZipEntry(inFile.getName()));

int len;

while((len=in.read(buf))>0){

zipOut.write(buf,0,len);

}

in.close();

zipOut.closeEntry();

zipOut.close();

result=true;

}catch(IOException e){

result=false;

e.printStackTrace();

}finally{

return result;

}

}