001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.hbtop.terminal.impl;
019
020import java.util.concurrent.TimeUnit;
021import org.apache.hadoop.hbase.hbtop.terminal.KeyPress;
022import org.apache.hadoop.hbase.hbtop.terminal.Terminal;
023
024public final class TestCursor {
025
026  private TestCursor() {
027  }
028
029  public static void main(String[] args) throws Exception {
030    try (Terminal terminal = new TerminalImpl()) {
031      terminal.refresh();
032      terminal.setCursorPosition(0, 0);
033
034      terminal.getTerminalPrinter(0).print("aaa").endOfLine();
035      terminal.refresh();
036      TimeUnit.SECONDS.sleep(1);
037
038      terminal.getTerminalPrinter(0).print("bbb").endOfLine();
039      terminal.refresh();
040      TimeUnit.SECONDS.sleep(1);
041
042      terminal.setCursorPosition(1, 0);
043      terminal.refresh();
044      TimeUnit.SECONDS.sleep(1);
045
046      terminal.setCursorPosition(2, 0);
047      terminal.refresh();
048      TimeUnit.SECONDS.sleep(1);
049
050      terminal.setCursorPosition(3, 0);
051      terminal.refresh();
052      TimeUnit.SECONDS.sleep(1);
053
054      terminal.setCursorPosition(0, 1);
055      terminal.refresh();
056      TimeUnit.SECONDS.sleep(1);
057
058      terminal.getTerminalPrinter(1).print("ccc").endOfLine();
059      terminal.refresh();
060      TimeUnit.SECONDS.sleep(1);
061
062      terminal.getTerminalPrinter(3).print("Press any key to finish").endOfLine();
063      terminal.refresh();
064
065      while (true) {
066        KeyPress keyPress = terminal.pollKeyPress();
067        if (keyPress == null) {
068          TimeUnit.MILLISECONDS.sleep(100);
069          continue;
070        }
071        break;
072      }
073    }
074  }
075}