I am trying to get the text content of powerpoint files and replace with some
other text. I have a powerpoint file of 20 slides. where 13,14,15,16 slides
have hyperlink to 17,18,19 and 20th slide. I am using XMLSlideshow to
traverse through the slides, But it gives only 16 slides. It does not give
last 4 hyperlinked slides.
Any idea really appreciable in advance how can I get content of all
hyper-linked slides and Replace by some other text.
here is my code.
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFShape;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import org.apache.poi.xslf.usermodel.XSLFTextParagraph;
import org.apache.poi.xslf.usermodel.XSLFTextShape;
import org.openxmlformats.schemas.drawingml.x2006.main.CTRegularTextRun;
public class Testing {
static String inputFile =
"C:\\Users\\SM78882\\Desktop\\Testing\\IE_Basics_English.pptx";
static String outputFile =
"C:\\Users\\SM78882\\Desktop\\Testing\\result.pptx";
public static String replaceUnwantedChar(String originalString) {
if (null != originalString)
return "" +
originalString.replaceAll("(\n+)|(\t+)|(\\s{2,})", " ")
.trim();
else
return "";
}
public static void main(String[] args) {
FileInputStream fis = null;
FileOutputStream fos = null;
XMLSlideShow ppt = null;
try {
fis = new FileInputStream(inputFile);
fos = new FileOutputStream(outputFile);
ppt = new XMLSlideShow(fis);
System.out.println("No of slides:" +
ppt.getSlides().length); // gives 16
slides.
for (XSLFSlide slide : ppt.getSlides()) {
for (XSLFShape shape : slide) {
if (shape instanceof XSLFTextShape) {
XSLFTextShape txShape =
(XSLFTextShape) shape;
for (XSLFTextParagraph
xslfParagraph : txShape .getTextParagraphs()) {
String originalText =
replaceUnwantedChar(xslfParagraph .getText());
if
(!originalText.isEmpty()) {
String
translation = "";
if (translation
!= null) {
CTRegularTextRun[] ctRegularTextRun = xslfParagraph
.getXmlObject().getRArray();
for
(int index = ctRegularTextRun.length - 1; index > 0; index--) {
xslfParagraph.getXmlObject().removeR( index);
}
if
(ctRegularTextRun.length > 0)
ctRegularTextRun[0].setT(translation);
}
}
}
}
}
}
ppt.write(fos);
fos.close();
fis.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
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