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;
019
020import java.util.concurrent.TimeUnit;
021import org.apache.hadoop.hbase.hbtop.terminal.impl.TerminalImpl;
022
023
024public final class TerminalPrinterTest {
025
026  private TerminalPrinterTest() {
027  }
028
029  public static void main(String[] args) throws Exception {
030    try (Terminal terminal = new TerminalImpl()) {
031      terminal.hideCursor();
032      terminal.refresh();
033
034      TerminalPrinter printer = terminal.getTerminalPrinter(0);
035      printer.print("Normal string").endOfLine();
036      printer.startHighlight().print("Highlighted string").stopHighlight().endOfLine();
037      printer.startBold().print("Bold string").stopBold().endOfLine();
038      printer.startHighlight().startBold().print("Highlighted bold string")
039          .stopBold().stopHighlight().endOfLine();
040      printer.endOfLine();
041      printer.print("Press any key to finish").endOfLine();
042
043      terminal.refresh();
044
045      while (true) {
046        KeyPress keyPress = terminal.pollKeyPress();
047        if (keyPress == null) {
048          TimeUnit.MILLISECONDS.sleep(100);
049          continue;
050        }
051        break;
052      }
053    }
054  }
055}