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}