01: /*
02: * BEGIN_HEADER - DO NOT EDIT
03: *
04: * The contents of this file are subject to the terms
05: * of the Common Development and Distribution License
06: * (the "License"). You may not use this file except
07: * in compliance with the License.
08: *
09: * You can obtain a copy of the license at
10: * https://open-esb.dev.java.net/public/CDDLv1.0.html.
11: * See the License for the specific language governing
12: * permissions and limitations under the License.
13: *
14: * When distributing Covered Code, include this CDDL
15: * HEADER in each file and include the License file at
16: * https://open-esb.dev.java.net/public/CDDLv1.0.html.
17: * If applicable add the following below this CDDL HEADER,
18: * with the fields enclosed by brackets "[]" replaced with
19: * your own identifying information: Portions Copyright
20: * [year] [name of copyright owner]
21: */
22:
23: /*
24: * @(#)ChartCreator.java
25: * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
26: *
27: * END_HEADER - DO NOT EDIT
28: */
29: package org.openesb.tools.extchart.jfchart;
30:
31: import org.openesb.tools.extchart.jfchart.data.DataAccess;
32: import org.openesb.tools.extpropertysheet.IExtPropertyGroupsBean;
33: import java.awt.image.BufferedImage;
34: import java.io.IOException;
35: import java.io.OutputStream;
36: import java.util.logging.Level;
37: import org.jfree.chart.ChartUtilities;
38: import org.jfree.chart.JFreeChart;
39: import java.util.logging.Logger;
40: import javax.servlet.http.HttpServletResponse;
41:
42: /**
43: *
44: * @author rdwivedi
45: */
46: public class ChartCreator {
47:
48: private static Logger mLogger = Logger
49: .getLogger("com.open.extchart.jfchart.ChartCreator");
50:
51: /** Creates a new instance of ChartCreator */
52: public ChartCreator() {
53:
54: }
55:
56: public void writeBufferedChartToOutputStream(BufferedImage image,
57: HttpServletResponse response) throws IOException {
58: OutputStream out = response.getOutputStream();
59: response.setContentType("image/png");
60: ChartUtilities.writeBufferedImageAsPNG(out, image);
61: }
62:
63: public JFreeChart createJFreeChart(IExtPropertyGroupsBean pg,
64: DataAccess da) {
65: JFreeChart jChart = null;
66: try {
67: Chart chart = null;
68:
69: chart = Chart.createChartObject(pg, da);
70: if (chart != null) {
71: jChart = chart.createChart();
72: } else {
73: mLogger.info("Created chart is null.");
74: }
75: } catch (Exception e) {
76: mLogger.log(Level.SEVERE, "Can not create the chart.", e);
77: //mLogger.severe("Can not create the chart." + e.toString());
78:
79: // mLogger.exception("Failed ",e);
80: //e.printStackTrace();
81: }
82: return jChart;
83: }
84:
85: }
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