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1
4 package com.tc.admin.common;
5
6 import org.jfree.chart.ChartFactory;
7 import org.jfree.chart.JFreeChart;
8 import org.jfree.chart.axis.DateAxis;
9 import org.jfree.chart.axis.NumberAxis;
10 import org.jfree.chart.axis.ValueAxis;
11 import org.jfree.chart.plot.PlotOrientation;
12 import org.jfree.chart.plot.XYPlot;
13 import org.jfree.data.RangeType;
14 import org.jfree.data.time.TimeSeries;
15 import org.jfree.data.time.TimeSeriesCollection;
16 import org.jfree.data.xy.IntervalXYDataset;
17 import org.jfree.data.xy.XYDataset;
18
19 import java.text.SimpleDateFormat  ;
20
21 public class DemoChartFactory {
22 public static JFreeChart getXYBarChart(
23 String header,
24 String xLabel,
25 String yLabel,
26 TimeSeries ts)
27 {
28 IntervalXYDataset dataset = createTimeSeriesDataset(ts);
29 return createXYBarChart(header, xLabel, yLabel, dataset, false);
30 }
31
32 public static JFreeChart getXYBarChart(
33 String header,
34 String xLabel,
35 String yLabel,
36 TimeSeries[] timeseries)
37 {
38 IntervalXYDataset dataset = createTimeSeriesDataset(timeseries);
39 return createXYBarChart(header, xLabel, yLabel, dataset, true);
40 }
41
42 private static JFreeChart createXYBarChart(
43 String header,
44 String xLabel,
45 String yLabel,
46 IntervalXYDataset dataset,
47 boolean legend)
48 {
49 JFreeChart chart =
50 ChartFactory.createXYBarChart(
51 header,
52 xLabel,
53 true,
54 yLabel,
55 dataset,
56 PlotOrientation.VERTICAL,
57 legend,
58 true,
59 false);
60
61 XYPlot plot = (XYPlot)chart.getPlot();
62
63 DateAxis axis = (DateAxis)plot.getDomainAxis();
64 axis.setFixedAutoRange(30000.0);
65 axis.setDateFormatOverride(new SimpleDateFormat ("kk:mm:ss"));
66
67 NumberAxis numberAxis = (NumberAxis)plot.getRangeAxis();
68 numberAxis.setRangeType(RangeType.POSITIVE);
69 numberAxis.setAutoRangeMinimumSize(50.0);
70
71 return chart;
72 }
73
74 public static JFreeChart getXYLineChart(
75 String header,
76 String xLabel,
77 String yLabel,
78 TimeSeries ts)
79 {
80 XYDataset dataset = createTimeSeriesDataset(ts);
81 return createXYLineChart(header, xLabel, yLabel, dataset, false);
82 }
83
84 public static JFreeChart getXYLineChart(
85 String header,
86 String xLabel,
87 String yLabel,
88 TimeSeries[] timeseries)
89 {
90 XYDataset dataset = createTimeSeriesDataset(timeseries);
91 return createXYLineChart(header, xLabel, yLabel, dataset, true);
92 }
93
94 private static JFreeChart createXYLineChart(
95 String header,
96 String xLabel,
97 String yLabel,
98 XYDataset dataset,
99 boolean legend)
100 {
101 JFreeChart chart =
102 ChartFactory.createTimeSeriesChart(header,
103 xLabel,
104 yLabel,
105 dataset,
106 legend,
107 true,
108 false);
109
110 XYPlot plot = (XYPlot)chart.getPlot();
111
112 ValueAxis axis = plot.getDomainAxis();
113 axis.setFixedAutoRange(30000.0);
114 if(axis instanceof DateAxis) {
115 ((DateAxis)axis).setDateFormatOverride(new SimpleDateFormat ("kk:mm:ss"));
116 }
117
118 NumberAxis numberAxis = (NumberAxis)plot.getRangeAxis();
119 numberAxis.setRangeType(RangeType.POSITIVE);
120 numberAxis.setAutoRangeMinimumSize(50.0);
121
122 return chart;
123 }
124
125 public static JFreeChart getXYStepChart(
126 String header,
127 String xLabel,
128 String yLabel,
129 TimeSeries ts)
130 {
131 XYDataset dataset = createTimeSeriesDataset(ts);
132 return createXYStepChart(header, xLabel, yLabel, dataset, false);
133 }
134
135 public static JFreeChart getXYStepChart(
136 String header,
137 String xLabel,
138 String yLabel,
139 TimeSeries[] timeseries)
140 {
141 XYDataset dataset = createTimeSeriesDataset(timeseries);
142 return createXYStepChart(header, xLabel, yLabel, dataset, true);
143 }
144
145 private static JFreeChart createXYStepChart(
146 String header,
147 String xLabel,
148 String yLabel,
149 XYDataset dataset,
150 boolean legend)
151 {
152 JFreeChart chart =
153 ChartFactory.createXYStepChart(header,
154 xLabel,
155 yLabel,
156 dataset,
157 PlotOrientation.VERTICAL,
158 legend,
159 true,
160 false);
161
162 XYPlot plot = (XYPlot)chart.getPlot();
163
164 ValueAxis axis = plot.getDomainAxis();
165 axis.setFixedAutoRange(30000.0);
166 if(axis instanceof DateAxis) {
167 ((DateAxis)axis).setDateFormatOverride(new SimpleDateFormat ("kk:mm:ss"));
168 }
169
170 NumberAxis numberAxis = (NumberAxis)plot.getRangeAxis();
171 numberAxis.setRangeType(RangeType.POSITIVE);
172 numberAxis.setAutoRangeMinimumSize(50.0);
173
174 return chart;
175 }
176
177 private static TimeSeriesCollection createTimeSeriesDataset(TimeSeries s1) {
178 return createTimeSeriesDataset(new TimeSeries[] {s1});
179 }
180
181 private static TimeSeriesCollection createTimeSeriesDataset(TimeSeries[] series) {
182 TimeSeriesCollection dataset = new TimeSeriesCollection();
183
184 for(int i = 0; i < series.length; i++) {
185 dataset.addSeries(series[i]);
186 }
187
188 dataset.setDomainIsPointsInTime(true);
189
190 return dataset;
191 }
192 }
193 |
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