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1
28
29
36
37 package net.sf.jasperreports.engine.export;
38
39 import java.awt.Color  ;
40 import java.awt.Dimension ;
41 import java.awt.Rectangle ;
42 import java.awt.font.TextAttribute ;
43 import java.awt.geom.Dimension2D ;
44 import java.io.File ;
45 import java.io.FileOutputStream ;
46 import java.io.IOException ;
47 import java.io.OutputStream ;
48 import java.io.OutputStreamWriter ;
49 import java.io.StringWriter ;
50 import java.io.Writer ;
51 import java.text.AttributedCharacterIterator ;
52 import java.util.ArrayList ;
53 import java.util.HashMap ;
54 import java.util.Iterator ;
55 import java.util.LinkedList ;
56 import java.util.List ;
57 import java.util.Map ;
58
59 import net.sf.jasperreports.engine.JRAbstractExporter;
60 import net.sf.jasperreports.engine.JRAlignment;
61 import net.sf.jasperreports.engine.JRBox;
62 import net.sf.jasperreports.engine.JRElement;
63 import net.sf.jasperreports.engine.JRException;
64 import net.sf.jasperreports.engine.JRExporterParameter;
65 import net.sf.jasperreports.engine.JRGraphicElement;
66 import net.sf.jasperreports.engine.JRHyperlink;
67 import net.sf.jasperreports.engine.JRImage;
68 import net.sf.jasperreports.engine.JRImageMapRenderer;
69 import net.sf.jasperreports.engine.JRImageRenderer;
70 import net.sf.jasperreports.engine.JRPrintElement;
71 import net.sf.jasperreports.engine.JRPrintElementIndex;
72 import net.sf.jasperreports.engine.JRPrintEllipse;
73 import net.sf.jasperreports.engine.JRPrintFrame;
74 import net.sf.jasperreports.engine.JRPrintHyperlink;
75 import net.sf.jasperreports.engine.JRPrintImage;
76 import net.sf.jasperreports.engine.JRPrintImageArea;
77 import net.sf.jasperreports.engine.JRPrintImageAreaHyperlink;
78 import net.sf.jasperreports.engine.JRPrintLine;
79 import net.sf.jasperreports.engine.JRPrintPage;
80 import net.sf.jasperreports.engine.JRPrintRectangle;
81 import net.sf.jasperreports.engine.JRPrintText;
82 import net.sf.jasperreports.engine.JRRenderable;
83 import net.sf.jasperreports.engine.JRRuntimeException;
84 import net.sf.jasperreports.engine.JRTextElement;
85 import net.sf.jasperreports.engine.JRWrappingSvgRenderer;
86 import net.sf.jasperreports.engine.JasperPrint;
87 import net.sf.jasperreports.engine.util.JRStringUtil;
88 import net.sf.jasperreports.engine.util.JRStyledText;
89 import net.sf.jasperreports.engine.util.Pair;
90
91
92
102 public class JRHtmlExporter extends JRAbstractExporter
103 {
104
105
108 protected static final String JR_PAGE_ANCHOR_PREFIX = "JR_PAGE_ANCHOR_";
109
110
113 protected static final String CSS_TEXT_ALIGN_LEFT = "left";
114 protected static final String CSS_TEXT_ALIGN_RIGHT = "right";
115 protected static final String CSS_TEXT_ALIGN_CENTER = "center";
116 protected static final String CSS_TEXT_ALIGN_JUSTIFY = "justify";
117
118
121 protected static final String HTML_VERTICAL_ALIGN_TOP = "top";
122 protected static final String HTML_VERTICAL_ALIGN_MIDDLE = "middle";
123 protected static final String HTML_VERTICAL_ALIGN_BOTTOM = "bottom";
124
125 public static final String IMAGE_NAME_PREFIX = "img_";
126 protected static final int IMAGE_NAME_PREFIX_LEGTH = IMAGE_NAME_PREFIX.length();
127
128
131 protected Writer writer = null;
132 protected JRExportProgressMonitor progressMonitor = null;
133 protected Map rendererToImagePathMap = null;
134 protected Map imageMaps;
135 protected Map imageNameToImageDataMap = null;
136 protected List imagesToProcess = null;
137 protected boolean isPxImageLoaded = false;
138
139 protected int reportIndex = 0;
140 protected int pageIndex = 0;
141
142
145 protected File imagesDir = null;
146 protected String imagesURI = null;
147 protected boolean isOutputImagesToDir = false;
148 protected boolean isRemoveEmptySpace = false;
149 protected boolean isWhitePageBackground = true;
150 protected String encoding = null;
151 protected String sizeUnit = null;
152
153
156 protected String htmlHeader = null;
157 protected String betweenPagesHtml = null;
158 protected String htmlFooter = null;
159
160 protected StringProvider emptyCellStringProvider = null;
161
162
163
166 protected static final int colorMask = Integer.parseInt("FFFFFF", 16);
167
168 protected boolean isWrapBreakWord = false;
169
170 protected Map fontMap = null;
171
172 private LinkedList backcolorStack;
173 private Color backcolor;
174
175 protected JRHyperlinkProducerFactory hyperlinkProducerFactory;
176
177
178 public JRHtmlExporter()
179 {
180 backcolorStack = new LinkedList ();
181 backcolor = null;
182 }
183
184
185
188 public void exportReport() throws JRException
189 {
190 progressMonitor = (JRExportProgressMonitor)parameters.get(JRExporterParameter.PROGRESS_MONITOR);
191
192
193 setOffset();
194
195 try
196 {
197
198 setExportContext();
199
200
201 setInput();
202
203
204 if (!isModeBatch)
205 {
206 setPageRange();
207 }
208
209 htmlHeader = (String )parameters.get(JRHtmlExporterParameter.HTML_HEADER);
210 betweenPagesHtml = (String )parameters.get(JRHtmlExporterParameter.BETWEEN_PAGES_HTML);
211 htmlFooter = (String )parameters.get(JRHtmlExporterParameter.HTML_FOOTER);
212
213 imagesDir = (File )parameters.get(JRHtmlExporterParameter.IMAGES_DIR);
214 if (imagesDir == null)
215 {
216 String dir = (String )parameters.get(JRHtmlExporterParameter.IMAGES_DIR_NAME);
217 if (dir != null)
218 {
219 imagesDir = new File (dir);
220 }
221 }
222
223 Boolean isRemoveEmptySpaceParameter = (Boolean )parameters.get(JRHtmlExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS);
224 if (isRemoveEmptySpaceParameter != null)
225 {
226 isRemoveEmptySpace = isRemoveEmptySpaceParameter.booleanValue();
227 }
228
229 Boolean isWhitePageBackgroundParameter = (Boolean )parameters.get(JRHtmlExporterParameter.IS_WHITE_PAGE_BACKGROUND);
230 if (isWhitePageBackgroundParameter != null)
231 {
232 isWhitePageBackground = isWhitePageBackgroundParameter.booleanValue();
233 }
234
235 Boolean isOutputImagesToDirParameter = (Boolean )parameters.get(JRHtmlExporterParameter.IS_OUTPUT_IMAGES_TO_DIR);
236 if (isOutputImagesToDirParameter != null)
237 {
238 isOutputImagesToDir = isOutputImagesToDirParameter.booleanValue();
239 }
240
241 String uri = (String )parameters.get(JRHtmlExporterParameter.IMAGES_URI);
242 if (uri != null)
243 {
244 imagesURI = uri;
245 }
246
247 encoding = (String )parameters.get(JRExporterParameter.CHARACTER_ENCODING);
248 if (encoding == null)
249 {
250 encoding = "UTF-8";
251 }
252
253 rendererToImagePathMap = new HashMap ();
254 imageMaps = new HashMap ();
255 imagesToProcess = new ArrayList ();
256 isPxImageLoaded = false;
257
258 imageNameToImageDataMap = (Map )parameters.get(JRHtmlExporterParameter.IMAGES_MAP);
260
266 Boolean isWrapBreakWordParameter = (Boolean )parameters.get(JRHtmlExporterParameter.IS_WRAP_BREAK_WORD);
267 if (isWrapBreakWordParameter != null)
268 {
269 isWrapBreakWord = isWrapBreakWordParameter.booleanValue();
270 }
271
272 sizeUnit = (String )parameters.get(JRHtmlExporterParameter.SIZE_UNIT);
273 if (sizeUnit == null)
274 {
275 sizeUnit = JRHtmlExporterParameter.SIZE_UNIT_PIXEL;
276 }
277
278 Boolean isUsingImagesToAlignParameter = (Boolean )parameters.get(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN);
279 if (isUsingImagesToAlignParameter == null)
280 {
281 isUsingImagesToAlignParameter = Boolean.TRUE;
282 }
283
284 if (isUsingImagesToAlignParameter.booleanValue())
285 {
286 emptyCellStringProvider =
287 new StringProvider()
288 {
289 public String getStringForCollapsedTD(Object value, int width, int height, String sizeUnit)
290 {
291 return "><img alt=\"\" SRC=\"" + value + "px\" style=\"width: " + width + sizeUnit + "; height: " + height + sizeUnit + ";\"/>";
292 }
293 public String getStringForEmptyTD(Object value)
294 {
295 return "<img alt=\"\" SRC=\"" + value + "px\" border=\"0\"/>";
296 }
297 };
298
299 loadPxImage();
300 }
301 else
302 {
303 emptyCellStringProvider =
304 new StringProvider()
305 {
306 public String getStringForCollapsedTD(Object value, int width, int height, String sizeUnit)
307 {
308 return " style=\"width: " + width + sizeUnit + "; height: " + height + sizeUnit + ";\">";
309 }
310 public String getStringForEmptyTD(Object value)
311 {
312 return "";
313 }
314 };
315 }
316
317
318 fontMap = (Map ) parameters.get(JRExporterParameter.FONT_MAP);
319
320 setHyperlinkProducerFactory();
321
322 StringBuffer sb = (StringBuffer )parameters.get(JRExporterParameter.OUTPUT_STRING_BUFFER);
323 if (sb != null)
324 {
325 try
326 {
327 writer = new StringWriter ();
328 exportReportToWriter();
329 sb.append(writer.toString());
330 }
331 catch (IOException e)
332 {
333 throw new JRException("Error writing to StringBuffer writer : " + jasperPrint.getName(), e);
334 }
335 finally
336 {
337 if (writer != null)
338 {
339 try
340 {
341 writer.close();
342 }
343 catch(IOException e)
344 {
345 }
346 }
347 }
348 }
349 else
350 {
351 writer = (Writer )parameters.get(JRExporterParameter.OUTPUT_WRITER);
352 if (writer != null)
353 {
354 try
355 {
356 exportReportToWriter();
357 }
358 catch (IOException e)
359 {
360 throw new JRException("Error writing to writer : " + jasperPrint.getName(), e);
361 }
362 }
363 else
364 {
365 OutputStream os = (OutputStream )parameters.get(JRExporterParameter.OUTPUT_STREAM);
366 if (os != null)
367 {
368 try
369 {
370 writer = new OutputStreamWriter (os, encoding);
371 exportReportToWriter();
372 }
373 catch (IOException e)
374 {
375 throw new JRException("Error writing to OutputStream writer : " + jasperPrint.getName(), e);
376 }
377 }
378 else
379 {
380 File destFile = (File )parameters.get(JRExporterParameter.OUTPUT_FILE);
381 if (destFile == null)
382 {
383 String fileName = (String )parameters.get(JRExporterParameter.OUTPUT_FILE_NAME);
384 if (fileName != null)
385 {
386 destFile = new File (fileName);
387 }
388 else
389 {
390 throw new JRException("No output specified for the exporter.");
391 }
392 }
393
394 try
395 {
396 os = new FileOutputStream (destFile);
397 writer = new OutputStreamWriter (os, encoding);
398 }
399 catch (IOException e)
400 {
401 throw new JRException("Error creating to file writer : " + jasperPrint.getName(), e);
402 }
403
404 if (imagesDir == null)
405 {
406 imagesDir = new File (destFile.getParent(), destFile.getName() + "_files");
407 }
408
409 if (isOutputImagesToDirParameter == null)
410 {
411 isOutputImagesToDir = true;
412 }
413
414 if (imagesURI == null)
415 {
416 imagesURI = imagesDir.getName() + "/";
417 }
418
419 try
420 {
421 exportReportToWriter();
422 }
423 catch (IOException e)
424 {
425 throw new JRException("Error writing to file writer : " + jasperPrint.getName(), e);
426 }
427 finally
428 {
429 if (writer != null)
430 {
431 try
432 {
433 writer.close();
434 }
435 catch(IOException e)
436 {
437 }
438 }
439 }
440 }
441 }
442 }
443
444 if (isOutputImagesToDir)
445 {
446 if (imagesDir == null)
447 {
448 throw new JRException("The images directory was not specified for the exporter.");
449 }
450
451 if (isPxImageLoaded || (imagesToProcess != null && imagesToProcess.size() > 0))
452 {
453 if (!imagesDir.exists())
454 {
455 imagesDir.mkdir();
456 }
457
458 if (isPxImageLoaded)
459 {
460 JRRenderable pxRenderer =
461 JRImageRenderer.getInstance(
462 "net/sf/jasperreports/engine/images/pixel.GIF",
463 JRImage.ON_ERROR_TYPE_ERROR
464 );
465 byte[] imageData = pxRenderer.getImageData();
466
467 File imageFile = new File (imagesDir, "px");
468 FileOutputStream fos = null;
469
470 try
471 {
472 fos = new FileOutputStream (imageFile);
473 fos.write(imageData, 0, imageData.length);
474 }
475 catch (IOException e)
476 {
477 throw new JRException("Error writing to image file : " + imageFile, e);
478 }
479 finally
480 {
481 if (fos != null)
482 {
483 try
484 {
485 fos.close();
486 }
487 catch(IOException e)
488 {
489 }
490 }
491 }
492 }
493
494 for(Iterator it = imagesToProcess.iterator(); it.hasNext();)
495 {
496 JRPrintElementIndex imageIndex = (JRPrintElementIndex)it.next();
497
498 JRPrintImage image = getImage(jasperPrintList, imageIndex);
499 JRRenderable renderer = image.getRenderer();
500 if (renderer.getType() == JRRenderable.TYPE_SVG)
501 {
502 renderer =
503 new JRWrappingSvgRenderer(
504 renderer,
505 new Dimension (image.getWidth(), image.getHeight()),
506 JRElement.MODE_OPAQUE == image.getMode() ? image.getBackcolor() : null
507 );
508 }
509
510 byte[] imageData = renderer.getImageData();
511
512 File imageFile = new File (imagesDir, getImageName(imageIndex));
513 FileOutputStream fos = null;
514
515 try
516 {
517 fos = new FileOutputStream (imageFile);
518 fos.write(imageData, 0, imageData.length);
519 }
520 catch (IOException e)
521 {
522 throw new JRException("Error writing to image file : " + imageFile, e);
523 }
524 finally
525 {
526 if (fos != null)
527 {
528 try
529 {
530 fos.close();
531 }
532 catch(IOException e)
533 {
534 }
535 }
536 }
537 }
538 }
539 }
540 }
541 finally
542 {
543 resetExportContext();
544 }
545 }
546
547
548 protected void setHyperlinkProducerFactory()
549 {
550 hyperlinkProducerFactory = (JRHyperlinkProducerFactory) parameters.get(JRHtmlExporterParameter.HYPERLINK_PRODUCER_FACTORY);
551 }
552
553
554 public static JRPrintImage getImage(List jasperPrintList, String imageName)
555 {
556 return getImage(jasperPrintList, getPrintElementIndex(imageName));
557 }
558
559
560 public static JRPrintImage getImage(List jasperPrintList, JRPrintElementIndex imageIndex)
561 {
562 JasperPrint report = (JasperPrint)jasperPrintList.get(imageIndex.getReportIndex());
563 JRPrintPage page = (JRPrintPage)report.getPages().get(imageIndex.getPageIndex());
564
565 Integer [] elementIndexes = imageIndex.getElementIndexes();
566 Object element = page.getElements().get(elementIndexes[0].intValue());
567
568 for (int i = 1; i < elementIndexes.length; ++i)
569 {
570 JRPrintFrame frame = (JRPrintFrame) element;
571 element = frame.getElements().get(elementIndexes[i].intValue());
572 }
573
574 return (JRPrintImage) element;
575 }
576
577
578
581 protected void exportReportToWriter() throws JRException, IOException
582 {
583 if (htmlHeader == null)
584 {
585 writer.write("<html>\n");
589 writer.write("<head>\n");
590 writer.write(" <title></title>\n");
591 writer.write(" <meta http-equiv=\"Content-Type\" content=\"text/html; charset=" + encoding + "\"/>\n");
592 writer.write(" <style type=\"text/css\">\n");
593 writer.write(" a {text-decoration: none}\n");
594 writer.write(" </style>\n");
595 writer.write("</head>\n");
596 writer.write("<body text=\"#000000\" link=\"#000000\" alink=\"#000000\" vlink=\"#000000\">\n");
597 writer.write("<table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">\n");
598 writer.write("<tr><td width=\"50%\"> </td><td align=\"center\">\n");
599 writer.write("\n");
600 }
601 else
602 {
603 writer.write(htmlHeader);
604 }
605
606 for(reportIndex = 0; reportIndex < jasperPrintList.size(); reportIndex++)
607 {
608 jasperPrint = (JasperPrint)jasperPrintList.get(reportIndex);
609
610 List pages = jasperPrint.getPages();
611 if (pages != null && pages.size() > 0)
612 {
613 if (isModeBatch)
614 {
615 startPageIndex = 0;
616 endPageIndex = pages.size() - 1;
617 }
618
619 JRPrintPage page = null;
620 for(pageIndex = startPageIndex; pageIndex <= endPageIndex; pageIndex++)
621 {
622 if (Thread.currentThread().isInterrupted())
623 {
624 throw new JRException("Current thread interrupted.");
625 }
626
627 page = (JRPrintPage)pages.get(pageIndex);
628
629 writer.write("<a name=\"" + JR_PAGE_ANCHOR_PREFIX + reportIndex + "_" + (pageIndex + 1) + "\"/>\n");
630
631
632 exportPage(page);
633
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