Java tutorial
/* * The MIT License * * Copyright 2013 Sony Mobile Communications AB. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.sonyericsson.jenkins.plugins.bfa.graphs; import hudson.model.AbstractProject; import java.util.Calendar; import java.util.Map; import java.util.Map.Entry; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYBarRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.data.time.TimePeriod; import org.jfree.data.time.TimeTableXYDataset; import com.sonyericsson.jenkins.plugins.bfa.PluginImpl; import com.sonyericsson.jenkins.plugins.bfa.db.KnowledgeBase; /** * Bar chart displaying the number of different failure causes for a project. * * @author Fredrik Persson <fredrik6.persson@sonymobile.com> * */ public class TimeSeriesUnkownFailuresChart extends TimeSeriesChart { private static final String Y_AXIS_LABEL = "Percent unknown failure causes"; private static final int HUNDRED_PERCENT = 100; /** * Default constructor. * * @param timestamp timestamp for this project graph, used for HTTP caching. Set to -1 if timestamp is not needed. * @param defaultW width of the graph in pixels * @param defaultH height of the graph in pixels * @param project the parent project of this graph, set to null for non-project graphs * @param filter the filter used when fetching data for this graph * @param intervalSize the interval sizes in which the data is grouped * @param graphTitle The title of the graph */ public TimeSeriesUnkownFailuresChart(long timestamp, int defaultW, int defaultH, AbstractProject project, GraphFilterBuilder filter, int intervalSize, String graphTitle) { super(timestamp, defaultW, defaultH, project, filter, intervalSize, false, graphTitle); } @Override protected JFreeChart createGraph() { TimeTableXYDataset dataset = createDataset(); ValueAxis xAxis = new DateAxis(); xAxis.setLowerMargin(0.0); xAxis.setUpperMargin(0.0); Calendar lowerBound = getLowerGraphBound(); xAxis.setRange(lowerBound.getTimeInMillis(), Calendar.getInstance().getTimeInMillis()); NumberAxis yAxis = new NumberAxis(Y_AXIS_LABEL); yAxis.setRange(0, HUNDRED_PERCENT); XYItemRenderer renderer = new XYBarRenderer(); XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer); JFreeChart chart = new JFreeChart(graphTitle, JFreeChart.DEFAULT_TITLE_FONT, plot, true); chart.removeLegend(); return chart; } /** * Creates the dataset needed for this graph. * @return dataset */ private TimeTableXYDataset createDataset() { TimeTableXYDataset dataset = new TimeTableXYDataset(); KnowledgeBase knowledgeBase = PluginImpl.getInstance().getKnowledgeBase(); Map<TimePeriod, Double> periodQuotas = knowledgeBase.getUnknownFailureCauseQuotaPerTime(intervalSize, filter); for (Entry<TimePeriod, Double> entry : periodQuotas.entrySet()) { dataset.add(entry.getKey(), entry.getValue() * HUNDRED_PERCENT, ""); } return dataset; } }