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28
29 package org.pentaho.ui.portlet.charting;
30
31 import java.io.IOException  ;
32 import java.util.ArrayList ;
33 import java.util.StringTokenizer ;
34 import javax.portlet.ActionRequest;
35 import javax.portlet.ActionResponse;
36 import javax.portlet.PortletException;
37 import javax.portlet.RenderRequest;
38 import javax.portlet.RenderResponse;
39 import org.apache.commons.logging.Log;
40 import org.apache.commons.logging.LogFactory;
41 import org.pentaho.messages.Messages;
42 import org.pentaho.core.util.UIUtil;
43 import org.pentaho.ui.component.charting.TimeSeriesCollectionChartComponent;
44 import org.pentaho.ui.portlet.PentahoPortletSession;
45 import org.pentaho.ui.portlet.PortletRequestParameterProvider;
46 import org.pentaho.ui.portlet.PortletSessionParameterProvider;
47 import org.pentaho.ui.portlet.PortletUrlFactory;
48 import org.pentaho.ui.portlet.ViewPortlet;
49
50 public class TimeSeriesCollectionChartPortlet extends ViewPortlet {
51
52 private static final String CHART = "chart";
54 private static final Log portletLogger = LogFactory.getLog(XYSeriesCollectionChartPortlet.class);
55
56 public Log getLogger() {
57 return portletLogger;
58 }
59
60 public void processPortletAction(ActionRequest request, ActionResponse response, PentahoPortletSession userSession) throws PortletException, IOException {
61
62 }
63
64 public void doPortletView(RenderRequest request, RenderResponse response, PentahoPortletSession userSession) throws PortletException, IOException {
65 response.setContentType("text/html");
67 PortletUrlFactory urlFactory = new PortletUrlFactory(response, request.getWindowState(), request.getPortletMode());
68
69 PortletRequestParameterProvider requestParameters = new PortletRequestParameterProvider(request);
70 PortletSessionParameterProvider sessionParameters = new PortletSessionParameterProvider(userSession);
71
72 String chartDefinitionStr = getSetting(CHART, null, request, requestParameters);
73
74 if (chartDefinitionStr == null) {
75 response.getWriter().print(Messages.getString("TimeSeriesCollectionChartPortlet.ERROR_0001.NO_CHART_DEF")); return;
77 }
78
79 ArrayList messages = new ArrayList ();
80 TimeSeriesCollectionChartComponent chartComponent = null;
81 String urlDrillTemplate = getSetting("drill-url", null, request, null); String outerParams = getSetting("outer-params", null, request, null); String innerParam = getSetting("inner-param", null, request, null);
85 try {
86 chartComponent = new TimeSeriesCollectionChartComponent(chartDefinitionStr, urlFactory, messages);
87 chartComponent.validate(userSession, null);
88 chartComponent.setUrlTemplate(urlDrillTemplate);
89 StringTokenizer tokenizer = new StringTokenizer (outerParams, ";"); while (tokenizer.hasMoreTokens()) {
91 chartComponent.addOuterParamName(tokenizer.nextToken());
92 }
93 chartComponent.setParamName(innerParam);
94
95 chartComponent.setDataAction(chartDefinitionStr);
96
97 chartComponent.setParameterProvider("request", requestParameters); chartComponent.setParameterProvider("session", sessionParameters);
100 String content = chartComponent.getContent("text/html");
102 if (content == null || content.equals("")) { content = " "; }
105 response.getWriter().print(content);
106
107 if (content == null) {
108 StringBuffer buffer = new StringBuffer ();
109 UIUtil.formatErrorMessage("text/html", Messages.getString("TimeSeriesCollectionChartPortlet.ERROR_0002.COULD_NOT_CREATE"), messages, buffer); content = buffer.toString();
111 }
112 } finally {
113 if (chartComponent != null)
114 chartComponent.dispose();
115 }
116 }
117 }
118 |
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