public void unJar(File jarFile, File toDir) throws IOException {
    unJar(jarFile, toDir, MATCH_ANY);
  }
@Test
  public void testUnJar() throws Exception {
    File unjarDir = getUnjarDir("unjar-all");

    // Unjar everything
    RunJar.unJar(new File(TEST_ROOT_DIR, TEST_JAR_NAME),
                 unjarDir, MATCH_ANY);
    assertTrue("foobar unpacked",
               new File(unjarDir, TestRunJar.FOOBAR_TXT).exists());
    assertTrue("foobaz unpacked",
               new File(unjarDir, FOOBAZ_TXT).exists());
  }