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1
11 package com.tonbeller.jpivot.jboss.portlet;
12
13 import java.io.ByteArrayInputStream  ;
14 import java.io.ByteArrayOutputStream ;
15 import java.io.IOException ;
16 import java.io.StringWriter ;
17 import java.util.HashMap ;
18 import java.util.Iterator ;
19 import java.util.Map ;
20
21 import javax.portlet.ActionResponse;
22 import javax.portlet.PortletException;
23 import javax.servlet.http.HttpServletRequest ;
24 import javax.servlet.http.HttpServletResponse ;
25 import javax.servlet.http.HttpSession ;
26 import javax.xml.transform.Transformer ;
27 import javax.xml.transform.dom.DOMSource ;
28 import javax.xml.transform.stream.StreamResult ;
29
30 import org.apache.fop.apps.Driver;
31 import org.apache.fop.apps.FOPException;
32 import org.apache.log4j.Logger;
33 import org.jboss.portal.server.WindowContext;
34 import org.jboss.portlet.JBossActionResponse;
35 import org.w3c.dom.Document ;
36 import org.xml.sax.InputSource ;
37
38 import com.tonbeller.jpivot.chart.ChartComponent;
39 import com.tonbeller.jpivot.print.PrintComponent;
40 import com.tonbeller.jpivot.table.TableComponent;
41 import com.tonbeller.wcf.component.RendererParameters;
42 import com.tonbeller.wcf.controller.RequestContext;
43 import com.tonbeller.wcf.controller.RequestContextFactoryFinder;
44 import com.tonbeller.wcf.utils.XmlUtils;
45
46
49 public class PrintTable {
50 private static Logger logger = Logger.getLogger(PrintTable.class);
51 public static final int XLS = 0;
52 public static final int PDF = 1;
53
54
59
60 public static void processRequest(
61 HttpServletRequest request,
62 HttpServletResponse response,
63 WindowContext windowCtx,
64 ActionResponse portletResponse) throws PortletException {
65 if (request.getParameter("cube") == null || request.getParameter("type") == null){
66 return;
67 }
68
69 try {
70
71 RequestContext context = RequestContextFactoryFinder.createContext(request,response,true);
72
73 String xslUri = null;
74
75 int type = Integer.parseInt(request.getParameter("type"));
76 String contentType = null;
77
78 switch (type){
79 case XLS:
80 xslUri="/WEB-INF/jpivot/table/xls_mdxtable.xsl";
81 RendererParameters.setParameter(context.getRequest(), "mode","excel","request");
82 contentType = "application/vnd.ms-excel";
83 break;
85 case PDF:
86 xslUri="/WEB-INF/jpivot/table/fo_mdxtable.xsl";
87 RendererParameters.setParameter(context.getRequest(), "mode","print","request");
88 contentType = "application/pdf";
89 break;
91 default:
92 return;
93 }
94 String tableRef = "table"+request.getParameter("cube");
96 String chartRef = "chart"+request.getParameter("cube");
97 String printRef = "print"+request.getParameter("cube");
98
99 TableComponent table = (TableComponent) context.getModelReference(tableRef);
101
103 if (table == null) {
104 return;
105 }
106 PrintComponent printConfig = (PrintComponent) context.getModelReference(printRef);
108
109 Map parameters = new HashMap ();
110
111 if (printConfig != null) {
112 if (printConfig.isSetTableWidth()) {
113 parameters.put(printConfig.PRINT_TABLE_WIDTH, new Double (printConfig.getTableWidth()));
114 }
115 if (printConfig.getReportTitle().trim().length()!=0){
116 parameters.put(printConfig.PRINT_TITLE, printConfig.getReportTitle().trim());
117 }
118 parameters.put(printConfig.PRINT_PAGE_ORIENTATION, printConfig.getPageOrientation());
119 parameters.put(printConfig.PRINT_PAPER_TYPE, printConfig.getPaperType());
120 if (printConfig.getPaperType().equals("custom")){
121 parameters.put(printConfig.PRINT_PAGE_WIDTH, new Double (printConfig.getPageWidth()));
122 parameters.put(printConfig.PRINT_PAGE_HEIGHT, new Double (printConfig.getPageHeight()));
123 }
124 parameters.put(printConfig.PRINT_CHART_PAGEBREAK, new Boolean (printConfig.isChartPageBreak()));
125
126 }
127
128 ChartComponent chart = (ChartComponent)request.getSession().getAttribute(chartRef);
130 if (chart != null && chart.isVisible() ) {
131
132 String host = request.getServerName();
133 int port = request.getServerPort();
134
135 StringBuffer sb = new StringBuffer ();
136 sb.append("http://")
137 .append(host)
138 .append(":")
139 .append(port)
140 .append(chart.getGraphURL(context));
141 String chartURL = sb.toString();
142
143 logger.debug("image is: " + chartURL);
144 parameters.put("chartimage", chartURL);
145
146 parameters.put("chartheight", new Integer (chart.getChartHeight()));
147 parameters.put("chartwidth", new Integer (chart.getChartWidth()));
148 }
149
150 parameters.put("context", context.getRequest().getContextPath());
151
152
155 table.setDirty(true);
157 Document document = table.render(context);
158 table.setDirty(true);
159
160 DOMSource source = new DOMSource (document);
161
162 HttpSession session = request.getSession();
164 Transformer transformer = XmlUtils.getTransformer(session, xslUri, true);
165 for (Iterator it = parameters.keySet().iterator(); it.hasNext();) {
166 String name = (String ) it.next();
167 Object value = parameters.get(name);
168 transformer.setParameter(name, value);
169 }
170 StringWriter sw = new StringWriter ();
171 StreamResult result = new StreamResult (sw);
172 transformer.transform(source, result);
174 sw.flush();
175
176 JBossActionResponse responseImpl = (JBossActionResponse) portletResponse;
178
179 if (type == XLS){
181 logger.info("Creating XLS");
182 responseImpl.sendBytes(contentType, sw.toString().getBytes());
185 RendererParameters.removeParameter(context.getRequest(), "mode","excel","request");
186 } else {
188 logger.info("Creating PDF!");
190 ByteArrayInputStream bain = new ByteArrayInputStream (sw.toString().getBytes("UTF-8"));
191 ByteArrayOutputStream baout = new ByteArrayOutputStream (16384);
192 convertFO2PDF(bain,baout);
193 final byte[] content = baout.toByteArray();
194 responseImpl.sendBytes(contentType, content);
197 RendererParameters.removeParameter(context.getRequest(), "mode","print","request");
198 }
199 } catch (Exception e){
200 throw new PortletException(e);
201 }
202 }
203
204
207 public static void convertFO2PDF(ByteArrayInputStream bain,ByteArrayOutputStream baout) throws IOException ,FOPException {
208
209 logger.debug("Construct driver");
210 Driver driver = new Driver();
211
212 logger.debug("Setup Renderer (output format)");
213 driver.setRenderer(Driver.RENDER_PDF);
214
215 try {
216 driver.setOutputStream(baout);
217 logger.debug("Setup input");
218 driver.setInputSource(new InputSource (bain));
219
220 logger.debug("Process FO");
221 driver.run();
222 logger.debug("PDF file generation completed");
223 } catch (Exception e){
224 logger.error(e);
225 }
226 }
227
228 }
229 |
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