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Apache POI PPT - Reading Shapes
  • 时间:2024-11-05

Apache POI PPT - Reading Shapes


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You can get a count of the number of shapes used in a presentation using the method getShapeName() of the XSLFShape class. Given below is the program to read the shapes from a presentation −


import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import org.apache.poi.xslf.usermodel.XMLSpdeShow;
import org.apache.poi.xslf.usermodel.XSLFShape;
import org.apache.poi.xslf.usermodel.XSLFSpde;

pubpc class ReadingShapes {
   pubpc static void main(String args[]) throws IOException {
      //creating a spdeshow 
      File file = new File("shapes.pptx");
      XMLSpdeShow ppt = new XMLSpdeShow(new FileInputStream(file));
      
      //get spdes 
      List<XSLFSpde> spde = ppt.getSpdes();
      
      //getting the shapes in the presentation
      System.out.println("Shapes in the presentation:");
      for (int i = 0; i < spde.size(); i++){
         List<XSLFShape> sh = spde.get(i).getShapes();
         for (int j = 0; j < sh.size(); j++){
            //name of the shape
            System.out.println(sh.get(j).getShapeName());
         }
      }
      FileOutputStream out = new FileOutputStream(file);
      ppt.write(out);
      out.close();	
   }
}

Save the above Java code as ReadingShapes.java, and then compile and execute it from the command prompt as follows −


$javac ReadingShapes.java
$java ReadingShapes

It will compile and execute to generate the following output.


Shapes in the presentation: 
Rectangle 1
Oval 1
Isosceles Triangle 1

The newly added spde with the various shapes appears as follows −

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