public void testUnCompress() throws Exception {
   compress.source("D:\\2\\1.bz2");
   compress.target("D:\\3");
   compress.unCompress();
 }
 @Test
 public void testCompress() {
   compress.source("D:\\demo\\test.js");
   compress.target("D:\\2\\1.bz2");
   compress.compress();
 }