preserve xml format 2003-02-21 - By Ramesh Babu
Thanx Dimitry. I understand that.
But its really annoying one for me.
You can't avoid this ordering (sorting attribute)
at all?
--- "Voytenko, Dimitry" <dvoytenko@(protected)>
wrote:
> Hi,
>
> Changed order in the result XML shouldn't cause you
> any problem. This
> feature is explicitly defined within XML 1.0 and DOM
> specifications. Xerces
> orders attributes alphabatically for internal
> purposes. Thus you can't be
> sure their order will be preserved.
>
> Thanks,
> Dimitry
>
> -----Original Message-----
> From: Ramesh Babu [mailto:qqura@(protected)]
> Sent: Friday, February 21, 2003 10:53
> To: xerces-j-user@(protected)
> Subject: preserve xml format
>
>
> Hi,
> I'm reading xml file and parsing thru'
> apache Xerces(xerces-1_4_3) DOMParser.
> I serialize the xml and I want to save into the
> file.
>
> my xml,
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <Root>
> <Property key="A" cat="door"/>
> </Root>
>
> and my code,
>
> import java.io.*;
> import org.w3c.dom.*;
> import org.apache.xml.serialize.*;
> import org.apache.xerces.parsers.DOMParser;
>
> public class XmlWriter {
> private DOMParser domParser;
> private String strFileName;
> private Document doc;
> public XmlWriter(String strFileName) throws
> Exception {
> try {
> this.strFileName = strFileName;
> this.domParser = new DOMParser();
> domParser.parse(strFileName);
> doc = domParser.getDocument();
> }
> catch(Exception oEx) {
> System.out.println("\n XML Parse Error.\n" +
> oEx);
> throw oEx;
> }
> }
>
> public String serializeXml() {
> StringWriter sw = new StringWriter();
> OutputFormat format = new OutputFormat();
> format.setIndenting(true);
> format.setLineWidth(0);
> format.setPreserveSpace(true);
> XMLSerializer serializer = new XMLSerializer(sw,
> format);
>
> try {
> serializer.asDOMSerializer();
>
>
serializer.serialize(this.getDocument().getDocumentElement());
> } catch (Exception ex) {
> System.out.println("[serializeXml()] exception
> while serializing" + ex);
> }
> return sw.toString();
> }
>
> public boolean writeXml(String newXml, String
> fileToWrite, boolean append) {
> try {
> BufferedWriter writer = new BufferedWriter(
> new
> FileWriter( fileToWrite, append ) );
> writer.write(newXml);
> writer.flush();
> writer.close();
> } catch(Exception ex) {
> System.out.println("[writeXml()] Exception
> while
> writing" + ex);
> return false;
> }
> return true;
> }
>
> public Document getDocument() {
> return(doc);
> }
>
> public static void main(String[] args) {
> String fileName = args[0];
> XmlWriter writer = null;
> try {
> writer = new XmlWriter(fileName);
> String newXml = writer.serializeXml();
> writer.writeXml(newXml, fileName + ".test",
> false);
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> After executing, the file it looks like
>
> <Property cat="door" key="A" />
>
> Actually attributes are sorted which I don't want.
>
> How do I preserver the old format of the xml ?
>
> Any API I need to use ? any help ?
>
> Thanks.
>
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