Examples of CommandFormat

   * @param cmd
   * @param pos ignore anything before this pos in cmd
   * @throws IOException 
   */
  private void tail(String[] cmd, int pos) throws IOException {
    CommandFormat c = new CommandFormat("tail", 1, 1, "f");
    String src = null;
    Path path = null;


    try {
      List<String> parameters = c.parse(cmd, pos);
      src = parameters.get(0);
    } catch(IllegalArgumentException iae) {
      System.err.println("Usage: java FsShell " + TAIL_USAGE);
      throw iae;
    }
    boolean foption = c.getOpt("f") ? true: false;
    path = new Path(src);
    FileSystem srcFs = path.getFileSystem(getConf());
    if (srcFs.isDirectory(path)) {
      throw new IOException("Source must be a file.");
    }

    fs.delete(READ_DIR, true);
  }


  public static void testCommandFormat() throws Exception {
    // This should go to TestFsShell.java when it is added.
    CommandFormat cf;
    cf= new CommandFormat("copyToLocal", 2,2,"crc","ignoreCrc");
    assertEquals(cf.parse(new String[] {"-get","file", "-"}, 1).get(1), "-");
    assertEquals(cf.parse(new String[] {"-get","file","-ignoreCrc","/foo"}, 1).get(1),"/foo");
    cf = new CommandFormat("tail", 1, 1, "f");
    assertEquals(cf.parse(new String[] {"-tail","fileName"}, 1).get(0),"fileName");
    assertEquals(cf.parse(new String[] {"-tail","-f","fileName"}, 1).get(0),"fileName");
    cf = new CommandFormat("setrep", 2, 2, "R", "w");
    assertEquals(cf.parse(new String[] {"-setrep","-R","2","/foo/bar"}, 1).get(1), "/foo/bar");
    cf = new CommandFormat("put", 2, 10000);
    assertEquals(cf.parse(new String[] {"-put", "-", "dest"}, 1).get(1), "dest"); 
  }

Examples of CommandFormat

Examples of org.apache.hadoop.fs.shell.CommandFormat

Examples of org.apache.hadoop.fs.shell.CommandFormat