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;
021
022import org.apache.hadoop.hbase.hbtop.terminal.KeyPress;
023import org.apache.hadoop.hbase.hbtop.terminal.Terminal;
024
025
026public final class TestCursor {
027
028  private TestCursor() {
029  }
030
031  public static void main(String[] args) throws Exception {
032    try (Terminal terminal = new TerminalImpl()) {
033      terminal.refresh();
034      terminal.setCursorPosition(0, 0);
035
036      terminal.getTerminalPrinter(0).print("aaa").endOfLine();
037      terminal.refresh();
038      TimeUnit.SECONDS.sleep(1);
039
040      terminal.getTerminalPrinter(0).print("bbb").endOfLine();
041      terminal.refresh();
042      TimeUnit.SECONDS.sleep(1);
043
044      terminal.setCursorPosition(1, 0);
045      terminal.refresh();
046      TimeUnit.SECONDS.sleep(1);
047
048      terminal.setCursorPosition(2, 0);
049      terminal.refresh();
050      TimeUnit.SECONDS.sleep(1);
051
052      terminal.setCursorPosition(3, 0);
053      terminal.refresh();
054      TimeUnit.SECONDS.sleep(1);
055
056      terminal.setCursorPosition(0, 1);
057      terminal.refresh();
058      TimeUnit.SECONDS.sleep(1);
059
060      terminal.getTerminalPrinter(1).print("ccc").endOfLine();
061      terminal.refresh();
062      TimeUnit.SECONDS.sleep(1);
063
064      terminal.getTerminalPrinter(3).print("Press any key to finish").endOfLine();
065      terminal.refresh();
066
067      while (true) {
068        KeyPress keyPress = terminal.pollKeyPress();
069        if (keyPress == null) {
070          TimeUnit.MILLISECONDS.sleep(100);
071          continue;
072        }
073        break;
074      }
075    }
076  }
077}