Java Code Examples for org.w3c.dom.Element#getLastChild()

public Node appendTextNode(Element parentElement, String content, boolean trim) {
    String toAppend = trim ? content.trim() : content;
    toAppend = toAppend.replace(lineSeparator, "\n"); /* (Normalise line endings) */
    
    /* We'll coalesce adjacent text Nodes */
    Node lastChild = parentElement.getLastChild();
    if (lastChild!=null && lastChild.getNodeType()==Node.TEXT_NODE) {
        lastChild.setNodeValue(lastChild.getNodeValue() + toAppend);
    }
    else {
        /* Previous sibling is not text Node so create new one */
        lastChild = document.createTextNode(toAppend);
        parentElement.appendChild(lastChild);
    }
    return lastChild;
}
 

public static Element getLastChild(Element e) {
  if (e == null)
    return null;
  Node n = e.getLastChild();
  while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
    n = n.getPreviousSibling();
  return (Element) n;
}
 

@Test
public void testGetChild() throws Exception {
    Document document = createDOMWithNS("ElementSample01.xml");
    Element elemNode = (Element) document.getElementsByTagName("b:aaa").item(0);
    elemNode.normalize();
    Node firstChild = elemNode.getFirstChild();
    Node lastChild = elemNode.getLastChild();
    assertEquals(firstChild.getNodeValue(), "fjfjf");
    assertEquals(lastChild.getNodeValue(), "fjfjf");
}
 

/**
 * Parses the character stream to get the DOM tree.
 * 
 * @param reader
 *            the Reader for providing the character stream
 * @return DOM tree whose top element node is named "body" if no error
 *         exists, otherwise null.
 */
private Document parsePlainText( Reader reader )
{
	try
	{
		Document doc = DocumentBuilderFactory.newInstance( )
				.newDocumentBuilder( ).newDocument( );
		Element body = doc.createElement( "body" ); //$NON-NLS-1$
		doc.appendChild( body );

		LineNumberReader lReader = new LineNumberReader( reader );
		String content;
		//Only the control code that formats the layout is done here and
		// others are preserved without change to be passed on to Emitter
		// for processing.			
		while ( ( content = lReader.readLine( ) ) != null )
		{
			appendChild( doc, body, content );
			body.appendChild( doc.createElement( "br" ) ); //$NON-NLS-1$
		}
		//Removes the last BR element.
		//TODO The last BR element is removed even if there is a CR/LF
		// control code at the end of the file.
		if ( body.getLastChild( ) != null )
		{
			body.removeChild( body.getLastChild( ) );
		}
		return doc;
	}
	catch ( Exception e )
	{
	    logger.log( Level.SEVERE, e.getMessage(),  e );
	}
	return null;
}
 

private void encodeReferenceParameters(AddressingProperties maps,
                                       SoapMessage msg,
                                       JAXBContext ctx) throws JAXBException {
    Element header = null;

    EndpointReferenceType toEpr = maps.getToEndpointReference();
    if (null != toEpr) {
        ReferenceParametersType params = toEpr.getReferenceParameters();
        if (null != params) {
            for (Object o : params.getAny()) {
                if (o instanceof Element || o instanceof JAXBElement) {
                    if (header == null) {
                        header = getHeaderFactory().getHeader(msg.getVersion());
                    }
                    JAXBElement<?> jaxbEl = null;
                    if (o instanceof Element) {
                        Element e = (Element)o;
                        Node importedNode = header.getOwnerDocument().importNode(e, true);
                        header.appendChild(importedNode);
                    } else {
                        jaxbEl = (JAXBElement<?>) o;
                        ctx.createMarshaller().marshal(jaxbEl, header);
                    }

                    Element lastAdded = (Element)header.getLastChild();
                    header.removeChild(lastAdded);
                    addIsReferenceParameterMarkerAttribute(lastAdded, maps.getNamespaceURI());


                    Header holder = new Header(new QName(lastAdded.getNamespaceURI(),
                                                         lastAdded.getLocalName()),
                                                         lastAdded);
                    msg.getHeaders().add(holder);
                } else {
                    LOG.log(Level.WARNING, "IGNORE_NON_ELEMENT_REF_PARAM_MSG", o);
                }
            }
        }
    }
}
 

public Element getlastChild(Element e) {
 Node n = e.getLastChild();
 while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
 	n = n.getPreviousSibling();
 return n == null ? null : (Element) n;
}