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1
28 package net.sf.jasperreports.engine.xml;
29
30 import java.io.FileInputStream  ;
31 import java.io.IOException ;
32 import java.io.InputStream ;
33 import java.util.ArrayList ;
34 import java.util.List ;
35
36 import javax.xml.parsers.ParserConfigurationException ;
37 import javax.xml.parsers.SAXParser ;
38 import javax.xml.parsers.SAXParserFactory ;
39
40 import net.sf.jasperreports.engine.JRBox;
41 import net.sf.jasperreports.engine.JRException;
42 import net.sf.jasperreports.engine.JRFont;
43 import net.sf.jasperreports.engine.JRPrintElement;
44 import net.sf.jasperreports.engine.JRPrintHyperlinkParameter;
45 import net.sf.jasperreports.engine.JRPrintPage;
46 import net.sf.jasperreports.engine.JRReportFont;
47 import net.sf.jasperreports.engine.JRStyle;
48 import net.sf.jasperreports.engine.JasperPrint;
49 import net.sf.jasperreports.engine.util.JRProperties;
50
51 import org.apache.commons.digester.SetNestedPropertiesRule;
52 import org.xml.sax.ErrorHandler ;
53 import org.xml.sax.SAXException ;
54 import org.xml.sax.SAXParseException ;
55 import org.xml.sax.XMLReader ;
56
57
58
62 public class JRPrintXmlLoader implements ErrorHandler
63 {
64
65
68 private JasperPrint jasperPrint = null;
69 private List errors = new ArrayList ();
70
71
72
75 protected JRPrintXmlLoader()
76 {
77 }
78
79
80
83 public void setJasperPrint(JasperPrint jasperPrint)
84 {
85 this.jasperPrint = jasperPrint;
86 }
87
88
89
92 public static JasperPrint load(String sourceFileName) throws JRException
93 {
94 JasperPrint jasperPrint = null;
95
96 FileInputStream fis = null;
97
98 try
99 {
100 fis = new FileInputStream (sourceFileName);
101 JRPrintXmlLoader printXmlLoader = new JRPrintXmlLoader();
102 jasperPrint = printXmlLoader.loadXML(fis);
103 }
104 catch(IOException e)
105 {
106 throw new JRException(e);
107 }
108 finally
109 {
110 if (fis != null)
111 {
112 try
113 {
114 fis.close();
115 }
116 catch(IOException e)
117 {
118 }
119 }
120 }
121
122 return jasperPrint;
123 }
124
125
126
129 public static JasperPrint load(InputStream is) throws JRException
130 {
131 JasperPrint jasperPrint = null;
132
133 JRPrintXmlLoader printXmlLoader = new JRPrintXmlLoader();
134 jasperPrint = printXmlLoader.loadXML(is);
135
136 return jasperPrint;
137 }
138
139
140
143 private JasperPrint loadXML(InputStream is) throws JRException
144 {
145 try
146 {
147 JRXmlDigester digester = prepareDigester();
148
149
150 digester.parse(is);
151 }
152 catch(ParserConfigurationException e)
153 {
154 throw new JRException(e);
155 }
156 catch(SAXException e)
157 {
158 throw new JRException(e);
159 }
160 catch(IOException e)
161 {
162 throw new JRException(e);
163 }
164
165 if (errors.size() > 0)
166 {
167 Exception e = (Exception )errors.get(0);
168 if (e instanceof JRException)
169 {
170 throw (JRException)e;
171 }
172 throw new JRException(e);
173 }
174
175 return this.jasperPrint;
176 }
177
178
179
182 private JRXmlDigester prepareDigester() throws ParserConfigurationException , SAXException
183 {
184 SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
185
186 boolean validating = JRProperties.getBooleanProperty(JRProperties.EXPORT_XML_VALIDATION);
187 saxParserFactory.setValidating(validating);
188
189 SAXParser saxParser = saxParserFactory.newSAXParser();
190 XMLReader xmlReader = saxParser.getXMLReader();
192
193 xmlReader.setFeature("http://xml.org/sax/features/validation", validating);
194
195 JRXmlDigester digester = new JRXmlDigester(xmlReader);
196 digester.push(this);
197 digester.setErrorHandler(this);
199 digester.setValidating(true);
200
201
202 digester.addFactoryCreate("jasperPrint", JasperPrintFactory.class.getName());
203 digester.addSetNext("jasperPrint", "setJasperPrint", JasperPrint.class.getName());
204
205
206 digester.addFactoryCreate("jasperPrint/reportFont", JRReportFontFactory.class.getName());
207 digester.addSetNext("jasperPrint/reportFont", "addFont", JRReportFont.class.getName());
208
209
210 digester.addFactoryCreate("jasperPrint/style", JRStyleFactory.class.getName());
211 digester.addSetNext("jasperPrint/style", "addStyle", JRStyle.class.getName());
212
213
214 digester.addFactoryCreate("jasperPrint/page", JRPrintPageFactory.class.getName());
215 digester.addSetNext("jasperPrint/page", "addPage", JRPrintPage.class.getName());
216
217
218 digester.addFactoryCreate("*/line", JRPrintLineFactory.class.getName());
219 digester.addSetNext("*/line", "addElement", JRPrintElement.class.getName());
220
221
222 digester.addFactoryCreate("*/reportElement", JRPrintElementFactory.class.getName());
223
224
225 digester.addFactoryCreate("*/graphicElement", JRPrintGraphicElementFactory.class.getName());
226
227
228 digester.addFactoryCreate("*/rectangle", JRPrintRectangleFactory.class.getName());
229 digester.addSetNext("*/rectangle", "addElement", JRPrintElement.class.getName());
230
231
232 digester.addFactoryCreate("*/ellipse", JRPrintEllipseFactory.class.getName());
233 digester.addSetNext("*/ellipse", "addElement", JRPrintElement.class.getName());
234
235
236 digester.addFactoryCreate("*/image", JRPrintImageFactory.class.getName());
237 digester.addSetNext("*/image", "addElement", JRPrintElement.class.getName());
238
239
240 digester.addFactoryCreate("*/box", JRBoxFactory.class.getName());
241 digester.addSetNext("*/box", "setBox", JRBox.class.getName());
242
243
244 digester.addFactoryCreate("*/image/imageSource", JRPrintImageSourceFactory.class.getName());
245 digester.addCallMethod("*/image/imageSource", "setImageSource", 0);
246
247
248 digester.addFactoryCreate("*/text", JRPrintTextFactory.class.getName());
249 digester.addSetNext("*/text", "addElement", JRPrintElement.class.getName());
250 SetNestedPropertiesRule textRule = new SetNestedPropertiesRule(new String []{"textContent", "reportElement", "box", "font"}, new String []{"text"});
251 textRule.setTrimData(false);
252 textRule.setAllowUnknownChildElements(true);
253 digester.addRule("*/text", textRule);
254
255
256 digester.addFactoryCreate("*/text/font", JRPrintFontFactory.class.getName());
257 digester.addSetNext("*/text/font", "setFont", JRFont.class.getName());
258
259 addFrameRules(digester);
260
261 addHyperlinkParameterRules(digester);
262
263 return digester;
264 }
265
266
267 private void addFrameRules(JRXmlDigester digester)
268 {
269 digester.addFactoryCreate("*/frame", JRPrintFrameFactory.class.getName());
270 digester.addSetNext("*/frame", "addElement", JRPrintElement.class.getName());
271 }
272
273
274 protected void addHyperlinkParameterRules(JRXmlDigester digester)
275 {
276 String parameterPattern = "*/" + JRPrintHyperlinkParameterFactory.ELEMENT_hyperlinkParameter;
277 digester.addFactoryCreate(parameterPattern, JRPrintHyperlinkParameterFactory.class);
278 digester.addSetNext(parameterPattern, "addHyperlinkParameter", JRPrintHyperlinkParameter.class.getName());
279
280 String parameterValuePattern = parameterPattern + "/" + JRPrintHyperlinkParameterValueFactory.ELEMENT_hyperlinkParameterValue;
281 digester.addFactoryCreate(parameterValuePattern, JRPrintHyperlinkParameterValueFactory.class);
282 digester.addCallMethod(parameterValuePattern, "setData", 0);
283 }
284
285
286
289 public void addError(Exception e)
290 {
291 this.errors.add(e);
292 }
293
294
297 public void error(SAXParseException e)
298 {
299 this.errors.add(e);
300 }
301
302
305 public void fatalError(SAXParseException e)
306 {
307 this.errors.add(e);
308 }
309
310
313 public void warning(SAXParseException e)
314 {
315 this.errors.add(e);
316 }
317
318
319 }
320 |
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