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  1. #1
    FrankyDee is offline Member
    Join Date
    Jun 2007
    Rep Power

    Default How can I save my XML

    Hi there,

    I'm a bit of a newbie in Java so please, bare with me.

    I have a piece of code that opens an existing XML, adds a node in the 1st element. So far so good. The thing is I didn't find out how to save my XML (I'm pretty sure I'm being dumb :rolleyes: here but my boss wants it for yesterday :mad: , of course, so here I am).

    Here is a sample code I used:
    Java Code:
    import org.w3c.dom.Document;
    import org.w3c.dom.Element;
    import org.w3c.dom.NodeList;
    import org.xml.sax.SAXException;
    public class Test {
        private static String sXMLFilename = "C:\\temp\\test.XML";
         * @param args
        public static void main(String[] args) {
    	// Parse the file
    	DOMParser parser = new DOMParser();
    	System.out.println("Parsing: " + sXMLFilename);
    	try {
    	} catch (SAXException e) {
    	} catch (IOException e) {
    	// Get the doc
    	System.out.println("\tOK\nGetting the Document object");
    	Document m_doc = parser.getDocument();
    	// Get the node
    	System.out.println("\tOK\nGetting NODE_1");
    	NodeList nodes = m_doc.getElementsByTagName("NODE_1");
    	// Store it in case we need to create the DRAWbridge node
    	// We assume it exists so no testing here (will be though)
    	Element element = (Element) nodes.item(0);
    	// Check the sub node exists
    	nodes = m_doc.getElementsByTagName("NODE_2");
    	if (nodes == null || nodes.getLength() == 0) {
    	    System.out.println("\tCreating new element");
    	    Element newEl = element.getOwnerDocument().createElement("NODE_2");
    	    System.out.println("\tOK\nAdding to NODE_1");
    	    // Now that my new node is insterted, how do I save the XML files ?
    	    System.out.println("\tOK\nSaving XML");
    And the XML
    Java Code:
    <?xml version="1.0" encoding="UTF-8"?>
    <NODE_1 />
    Thanx in advance for helping


  2. #2
    DonCash's Avatar
    DonCash is offline Moderator
    Join Date
    Aug 2007
    London, UK
    Rep Power



    Try this to write the file back out as .xml
    Firstly add this bit of code just above the DOM parse.

    Java Code:
    Writer output = null;
    output = new BufferedWriter(new FileWriter("docname.xml"));
    String newline = System.getProperty("line.separator");
    To write to the file you need to add the code below. I haven't had a chance to play with your example yet so you will need to experiment with the placement of this code to make it work correctly.

    Java Code:
    output.write("whatever text to be printed out");
    And at the end of the code make sure you add:

    Java Code:
    Otherwise nothing will be written to the file.

    I hope this helps!

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