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.screen.top; 019 020import org.apache.hadoop.hbase.hbtop.screen.AbstractScreenView; 021import org.apache.hadoop.hbase.hbtop.screen.Screen; 022import org.apache.hadoop.hbase.hbtop.screen.ScreenView; 023import org.apache.hadoop.hbase.hbtop.terminal.KeyPress; 024import org.apache.hadoop.hbase.hbtop.terminal.Terminal; 025import org.apache.yetus.audience.InterfaceAudience; 026 027/** 028 * The message mode in the top screen. 029 */ 030@InterfaceAudience.Private 031public class MessageModeScreenView extends AbstractScreenView { 032 033 private final int row; 034 private final MessageModeScreenPresenter messageModeScreenPresenter; 035 036 public MessageModeScreenView(Screen screen, Terminal terminal, int row, String message, 037 ScreenView nextScreenView) { 038 super(screen, terminal); 039 this.row = row; 040 this.messageModeScreenPresenter = new MessageModeScreenPresenter(this, message, nextScreenView); 041 } 042 043 @Override 044 public void init() { 045 messageModeScreenPresenter.init(); 046 setTimer(2000); 047 } 048 049 @Override 050 public ScreenView handleTimer() { 051 return messageModeScreenPresenter.returnToNextScreen(); 052 } 053 054 @Override 055 public ScreenView handleKeyPress(KeyPress keyPress) { 056 cancelTimer(); 057 return messageModeScreenPresenter.returnToNextScreen(); 058 } 059 060 public void showMessage(String message) { 061 getTerminalPrinter(row).startHighlight().print(" ").print(message).print(" ").stopHighlight() 062 .endOfLine(); 063 } 064}