Hello everyone,
I have a ppt file as template and I want to replace some parts of text (tagged
between < and >) of the text in it. Therefore I loop over each slide, get the
TextRuns and RichTextRuns, and call richTextRun.setText(text) for updating the
presentation and keeping the styles.
At the end, I write the SlideShow to a new file. But when I open the output
with PowerPoint, I get an error...
I use POI 3.1-beta1 and PowerPoint2003 SP3 on WindowsXP.
Am I doing something wrong? Is there another method to setText and keep the
existing styles ?
Here is my java code for creating the new file:
try {
SlideShow ppt = POIUtil.openSlideShow(TEMPLATE);
//get the slides
Slide[] slides = ppt.getSlides();
if (slides == null || slides.length == 0) {
System.out.println(TEMPLATE + " doesn't contains any slide.");
return;
}
Pattern pattern = Pattern.compile(REGEXP);
final Map<String, Object> map = TestData.getTestData();
Matcher matcher = null;
StringBuilder sb = new StringBuilder();
//iterate all slides
for (Slide slide : slides) {
TextRun[] textRuns = slide.getTextRuns();
if (textRuns == null || textRuns.length == 0) {
//no text runs. go to next slide.
continue;
}
System.out.println("slide number:" + slide.getSlideNumber());
for (TextRun run : textRuns) {
RichTextRun[] richTextRuns = run.getRichTextRuns();
if (richTextRuns == null || richTextRuns.length == 0) {
//no rich text run. go to next text run.
continue;
}
for (RichTextRun richTextRun : richTextRuns) {
//empty the string builder.
sb.delete(0, sb.length());
//set the text into the stringbuilder
sb.append(richTextRun.getText());
POIUtil.printTextWithLineBreaks("oldText: " +
richTextRun.getText());
matcher = pattern.matcher(sb.toString());
//get all replacements parameter.
boolean change = false;
while (matcher.find()) {
change = true;
String param = matcher.group();
System.out.println("match found: " + param);
//replace match in text.
String replacement = POIUtil.getValue(map, param);
System.out.println(param + " replaced by " +
replacement);
int start = sb.indexOf(param);
int end = start + param.length();
sb.replace(start, end, replacement);
}
if (change) {
POIUtil.printTextWithLineBreaks("new text: " +
sb.toString());
}
if (change) {
System.out.println("text changed");
richTextRun.setText(sb.toString());
}
}
}
System.out.println();
}
POIUtil.writeSlideShow(ppt, OUTPUT);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Sylvain
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