Remove images in .docx file

Question

Do we have the option to remove pictures from .docx file in java using xwpfdocument? Please reply me since I'm trying to do it for past one week. Code tried:

public static void imageProcess(XWPFDocument document) throws IOException
    {
        List<XWPFPictureData> pic=document.getAllPictures();
        Iterator<XWPFPictureData> iterator=pic.iterator();      
        if (pic.size()>0)
        {   
            for (XWPFParagraph para : document.getParagraphs())
            { 
                List<XWPFRun> runs = para.getRuns();
                for( XWPFRun run : runs ){
                    run.getCTR().removeDrawing(0);
                }
            }
            }
        }  

Exception:

 Exception in thread "main" java.lang.IndexOutOfBoundsException
    at org.apache.xmlbeans.impl.store.Xobj.removeElement(Xobj.java:2200)
    at org.apache.xmlbeans.impl.store.Xobj.remove_element(Xobj.java:2230)
    at org.openxmlformats.schemas.wordprocessingml.x2006.main.impl.CTRImpl.removeDrawing(Unknown Source)
    at com.util.DocxUtil.imageProcess(DocxUtil.java:326)
    at com.util.DocxUtil.main(DocxUtil.java:60)   

Answer 1

Try this :

        for (XWPFRun run : paragraph.getRuns())
                {
                     CTDrawing []  arr = run.getCTR().getDrawingArray();

                     for(int k=0; k<arr.length; k++)
                     {
                         run.getCTR().removeDrawing(k);
                     }

                }

Answer 2

If you get an IndexOutOfBoundsException on a call where you try to remove item #0, then your list is obviously empty. So either do an emptiness check on all the drawings in your Run object, or use a for loop - which won't execute if your List<CTDrawing> is empty.

for (XWPFRun run : runs) {
    CTR ctr = run.getCTR();
    List<CTDrawing> lst = ctr.getDrawingList();
    for (int i = 0; i < lst.size(); i++) {
        ctr.removeDrawing(i);
    }
}