source: trunk/docx4j/src/scratchpad/XPathNavigation.java @ 1154

package org.docx4j.samples;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.xml.XMLConstants;
import javax.xml.bind.Binder;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.namespace.NamespaceContext;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;

import org.apache.commons.lang.text.StrTokenizer;
import org.docx4j.XmlUtils;
import org.docx4j.openpackaging.exceptions.Docx4JException;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.docx4j.openpackaging.parts.WordprocessingML.MainDocumentPart;
import org.docx4j.openpackaging.parts.XmlPart.XmlNamespaceContext;
import org.docx4j.openpackaging.parts.relationships.Namespaces;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class XPathNavigation {

        public static JAXBContext context = org.docx4j.jaxb.Context.jc; 

//      private static XPathFactory xPathFactory;
//      private static XPath xPath;
//              
//      static {
//              
//              // Crimson doesn't support setTextContent; this.writeDocument also fails.
//              // We've already worked around the problem with setTextContent,
//              // but rather than do the same for writeDocument,
//              // let's just stop using it.
//              System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
//                      "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
//              
//              xPathFactory = XPathFactory.newInstance();
//              xPath = xPathFactory.newXPath();                                
//      }
        
        
        /**
         * @param args
         */
        public static void main(String[] args) throws Exception {

                //String inputfilepath = System.getProperty("user.dir") + "/sample-docs/Images.docx";
                String inputfilepath = System.getProperty("user.dir") + "//tmp//modelo.docx";
//      String inputfilepath = "/home/dev/workspace/docx4j/sample-docs/fo-200912.xml";
                                
                WordprocessingMLPackage wordMLPackage = WordprocessingMLPackage.load(new java.io.File(inputfilepath));          
                MainDocumentPart documentPart = wordMLPackage.getMainDocumentPart();

                // Setup the binder
                //Binder<Node> binder = documentPart.getBinder();

//              javax.xml.parsers.DocumentBuilderFactory dbf 
//              = DocumentBuilderFactory.newInstance();
//      dbf.setNamespaceAware(true);
//      org.w3c.dom.Document doc = dbf.newDocumentBuilder().newDocument();
//      binder.marshal(documentPart.getJaxbElement(), doc);
//      System.out.println(XmlUtils.w3CDomNodeToString(doc) );
        
                System.out.println( "Binder established" );
                
                /* updateXML is not enough to establish the initial association.
                 * 
                 * There are 2 ways to establish it.
                 * 
                 * Something like the following should work, but didn't quite
                 * 
                        javax.xml.parsers.DocumentBuilderFactory dbf 
                                = DocumentBuilderFactory.newInstance();
                        dbf.setNamespaceAware(true);
                        org.w3c.dom.Document doc = dbf.newDocumentBuilder().newDocument();
                        binder.marshal(documentPart.getJaxbElement(), doc);
                 *
                 * this does populate doc, but doesn't seem to establish the association??
                 * 
                        
                 * The way which does work is the other way around ie 
                 * unmarshall from the XML document, so that's what we do.
                 * 
                 * You can do:
                 * 
                                Node node = binder.updateXML(documentPart.getJaxbElement());
                                node = binder.getXMLNode(documentPart.getJaxbElement());

                 * OR
                 * 
                                Node node = binder.getXMLNode(documentPart.getJaxbElement());

                 * BUT NOT

                                Node node = binder.updateXML(documentPart.getJaxbElement());

                 * 
                 */
                                
                List<Object> list = documentPart.getJAXBNodesViaXPath("//w:p", true);
                
                System.out.println("got " + list.size() );
                                
                /*
                 * Note https://jaxb.dev.java.net/issues/show_bug.cgi?id=459
                 * (Binder.updateXML() fails if called twice)
                 * 
                 * So we can't use XPath after modifying the document
                 * via JAXB, unless we get the marshall stuff working.
                 * 
                 */
                
        }
        
                
}