2022.11.15

feiyu02

2022-11-15 23bd719cebe5feeff4e48fde925b0b39755eea93

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package cn.flightfeather.supervision.docx4j.simpleDemo;
 
import org.docx4j.Docx4J;
import org.docx4j.TraversalUtil;
import org.docx4j.XmlUtils;
import org.docx4j.finders.RangeFinder;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.docx4j.openpackaging.parts.WordprocessingML.MainDocumentPart;
import org.docx4j.wml.Body;
import org.docx4j.wml.CTBookmark;
import org.docx4j.wml.CTMarkupRange;
import org.docx4j.wml.ContentAccessor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
import java.util.List;
 
 
public class BookmarksDeleter {
    
    protected static Logger log = LoggerFactory.getLogger(BookmarksDeleter.class);
    
 
    public static void main(String[] args) throws Exception {
 
        WordprocessingMLPackage wordMLPackage = WordprocessingMLPackage
                .load(new java.io.File(System.getProperty("user.dir")
                        + "/BookmarksDeleter.docx"));
        MainDocumentPart documentPart = wordMLPackage.getMainDocumentPart();
        
        // Before..
        // System.out.println(XmlUtils.marshaltoString(documentPart.getJaxbElement(), true, true));
 
        org.docx4j.wml.Document wmlDocumentEl = (org.docx4j.wml.Document) documentPart
                .getJaxbElement();
        Body body = wmlDocumentEl.getBody();
 
        fixRange(body.getContent(), "CTBookmark", "CTMarkupRange");
        
        // After
//        System.out.println(XmlUtils.marshaltoString(documentPart.getJaxbElement(), true, true));
        
        // or save the docx...
        Docx4J.save(wordMLPackage, new java.io.File(System.getProperty("user.dir")
                        + "/OUT_BookmarksDeleter.docx"));
    }
 
    private static void fixRange(List<Object> paragraphs, String startElement,
            String endElement) throws Exception {
 
        RangeFinder rt = new RangeFinder(startElement, endElement);
        new TraversalUtil(paragraphs, rt);
        
        for (CTBookmark bm : rt.getStarts()) {
            try {
                // Can't just remove the object from the parent,
                // since in the parent, it may be wrapped in a JAXBElement
                List<Object> theList = null;
                if (bm.getParent() instanceof List) {
                    theList = (List)bm.getParent(); // eg body.getContent()
                } else {
                    theList = ((ContentAccessor)(bm.getParent())).getContent();
                }
                Object deleteMe = null;
                for (Object ox : theList) {
                    if (XmlUtils.unwrap(ox).equals(bm)) {
                        deleteMe = ox;
                        break;
                    }
                }
                if (deleteMe!=null) {
                    theList.remove(deleteMe);                        
                }
            } catch (ClassCastException cce) {
                log.error(cce.getMessage(), cce);
            }
        }
 
        for (CTMarkupRange mr : rt.getEnds()) {
            try {
                // Can't just remove the object from the parent,
                // since in the parent, it may be wrapped in a JAXBElement
                List<Object> theList = null;
                if (mr.getParent() instanceof List) {
                    theList = (List)mr.getParent(); // eg body.getContent()
                } else {
                    theList = ((ContentAccessor)(mr.getParent())).getContent();
                }
                Object deleteMe = null;
                for (Object ox : theList) {
                    if (XmlUtils.unwrap(ox).equals(mr)) {
                        deleteMe = ox;
                        break;
                    }
                }
                if (deleteMe!=null) {
                    theList.remove(deleteMe);                        
                }
            } catch (ClassCastException cce) {
                log.info(mr.getParent().getClass().getName());
                log.error(cce.getMessage(), cce);
            }
        }
        
        // NB: this leaves begin|separate|end behind!
        // It would be better to delete the whole field, or just leave it,
        // so this is commented out.  Result in Word will be "bookmark undefined!"
//        for (Text instrText : rt.refs) {
//            try {
//                List<Object> theList = ((ContentAccessor)(instrText.getParent())).getContent();
//                Object deleteMe = null;
//                for (Object ox : theList) {
//                    if (XmlUtils.unwrap(ox).equals(instrText)) {
//                        deleteMe = ox;
//                        break;
//                    }
//                }
//                if (deleteMe!=null) {
//                    theList.remove(deleteMe);                        
//                }
//            } catch (ClassCastException cce) {
//                log.info(instrText.getParent().getClass().getName());
//                log.error(cce);
//            }
//        }
        
    }
 
 
    private static boolean remove(List<Object> theList, Object bm)     {
        // Can't just remove the object from the parent,
        // since in the parent, it may be wrapped in a JAXBElement
        for (Object ox : theList) {
            if (XmlUtils.unwrap(ox).equals(bm)) {
                return theList.remove(ox);
            }
        }
        return false;
    }
    
}