Java tutorial
/** * Tencent is pleased to support the open source community by making APT available. * Copyright (C) 2014 THL A29 Limited, a Tencent company. All rights reserved. * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package com.tencent.wstt.apt.chart; import java.awt.BasicStroke; import java.awt.BorderLayout; import java.awt.Color; import java.io.FileOutputStream; import java.util.ArrayList; import java.util.Date; import java.util.List; import javax.swing.BorderFactory; import javax.swing.JPanel; import org.jfree.chart.ChartPanel; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.chart.title.TextTitle; import org.jfree.chart.title.Title; import org.jfree.data.time.Millisecond; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import com.tencent.wstt.apt.console.APTConsoleFactory; import com.tencent.wstt.apt.data.Constant; import com.tencent.wstt.apt.file.APTLogFileParse.DataUnit; import com.tencent.wstt.apt.file.APTLogFileParse.JfreeChartDatas; import com.tencent.wstt.apt.file.APTLogFileParse.TSData; /** * @Description ? * @date 20131110 ?5:12:03 * */ public abstract class AbstractRealTimeLineChart extends JPanel { private static final long serialVersionUID = 7533233863493417650L; protected JFreeChart chart; protected Title lastSubTile = null; protected TimeSeriesCollection dataset = new TimeSeriesCollection(); protected List<TimeSeries> tsList = new ArrayList<TimeSeries>(); //??? protected List<Boolean> tsEnableList = new ArrayList<Boolean>(); //? protected int objectNum = 0; //?? protected int dataNum = 0; /** * ?jfreechatpanel */ public AbstractRealTimeLineChart() { super(new BorderLayout()); chart = createChart(); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4), BorderFactory.createLineBorder(Color.black))); this.add(chartPanel); } /** * JFreeChart. * ?????dataset * @return JFreeChart. */ abstract public JFreeChart createChart(); /** * ??. * * @return ??. */ public boolean initDataset(String[] objects, String[] datas) { if (objects == null || datas == null || objects.length == 0 || datas.length == 0) { return false; } objectNum = objects.length; dataNum = datas.length; dataset.removeAllSeries(); if (datas.length == 1) { for (int i = 0; i < objectNum; i++) { // ?? chart.getXYPlot().getRenderer().setSeriesStroke(i, new BasicStroke(Constant.LINE_WIDTH)); tsList.add(new TimeSeries(objects[i])); tsEnableList.add(true); dataset.addSeries(tsList.get(i)); } } else { for (int i = 0; i < objectNum; i++) { for (int j = 0; j < dataNum; j++) { int index = dataNum * i + j; //?? chart.getXYPlot().getRenderer().setSeriesStroke(index, new BasicStroke(Constant.LINE_WIDTH)); tsList.add(new TimeSeries(objects[i] + "_" + datas[j])); tsEnableList.add(true); dataset.addSeries(tsList.get(index)); } } } return true; } /** * ????? * ????????? * @Title: addOneDataset * @Description: * @param pkgNames * @param dataName * @return * int ??-1 * @throws */ public int addOneDataset(String[] objects, String dataName) { if (objects == null || objects.length == 0 || dataName == null) { return -1; } objectNum = objects.length; dataNum++; for (int i = 0; i < objectNum; i++) { int index = i * dataNum + (dataNum - 1); chart.getXYPlot().getRenderer().setSeriesStroke(index, new BasicStroke(Constant.LINE_WIDTH)); tsList.add(index, new TimeSeries(objects[i] + "_" + dataName)); tsEnableList.add(index, true); dataset.addSeries(tsList.get(index)); } return dataNum - 1; } /** * ? * @Title: clearAllData * @Description: * void * @throws */ public void clearAllData() { APTConsoleFactory.getInstance().APTPrint("clearAllData:1"); objectNum = 0; dataNum = 0; dataset.removeAllSeries(); APTConsoleFactory.getInstance().APTPrint("clearAllData:2"); //??? tsList.clear(); APTConsoleFactory.getInstance().APTPrint("clearAllData:3"); tsEnableList.clear(); APTConsoleFactory.getInstance().APTPrint("clearAllData:4"); } /** * ? * @Title: update * @Description: * @param time * @param datas * void * @throws */ //TODO ?crash public void update(Date time, Number[] datas) { for (int i = 0; i < tsList.size(); i++) { tsList.get(i).addOrUpdate(new Millisecond(time), datas[i]); } } /** * ??? * @Title: update * @Description: * @param time * @param dataIndex * @param datas * void * @throws */ public void update(Date time, int dataIndex, Number[] datas) { for (int i = 0; i < objectNum; i++) { int index = i * dataNum + dataIndex; tsList.get(index).add(new Millisecond(), datas[i]); } } public boolean fillData(JfreeChartDatas datas) { //? clearAllData(); //? if (!initDataset(datas.pkgNames, datas.dataItems)) { return false; } //?? for (int i = 0; i < objectNum; i++) { for (int j = 0; j < dataNum; j++) { //tsList.get(dataNum*i+j).add(datas., value); int curveIndex = dataNum * i + j; TSData tsData = datas.tsDataList.get(curveIndex); for (DataUnit item : tsData.dataUnitList) { tsList.get(curveIndex).add(item.time, item.value); } } } //? // TODO ?UI? return true; } /** * * @Title: setTimeSeriesEnable * @Description: ??? * @param objectIndex * @param dataIndex * @param state * void * @throws */ public void setTimeSeriesEnable(int objectIndex, int dataIndex, boolean state) { int index = objectIndex * dataNum + dataIndex; //APTConsoleFactory.getInstance().APTPrint("Pkg:" + objectIndex + "data:" + dataIndex + "num:" + dataNum + "index:" + index); //??? if (objectIndex >= 0 && objectIndex < this.objectNum && dataIndex >= 0 && dataIndex < this.dataNum) { if (tsEnableList.get(index) != state) { // if (state) { dataset.addSeries(tsList.get(index)); } else { dataset.removeSeries(tsList.get(index)); } tsEnableList.set(index, state); } } } /** * * @Title: setTitle * @Description: * @param title * void * @throws */ public void setTitle(String title) { chart.setTitle(title); } /** * * @Title: setSubTitle * @Description: * @param title * void * @throws */ public void setSubTitle(String title) { Title curSubTitle = new TextTitle(title); if (lastSubTile == null) { chart.addSubtitle(curSubTitle); } else { chart.removeSubtitle(lastSubTile); chart.addSubtitle(curSubTitle); } lastSubTile = curSubTitle; } /** * ? * @Title: saveToJPEG * @Description: * @param imageName * @return * boolean * @throws */ public boolean saveToJPEG(String imageName) { FileOutputStream fos; try { fos = new FileOutputStream(imageName); ChartUtilities.writeChartAsJPEG(fos, chart, this.getSize().width, this.getSize().height); fos.close(); } catch (Exception e) { e.printStackTrace(); return false; } return true; } /** * @Description ?PNG? * @param @param imageName ?? * @param @return * @return boolean ?? * @throws */ public boolean saveToPNG(String imageName) { FileOutputStream fos; try { fos = new FileOutputStream(imageName); ChartUtilities.writeChartAsPNG(fos, chart, this.getSize().width, this.getSize().height); fos.close(); } catch (Exception e) { e.printStackTrace(); return false; } return true; } }