Re: XML,Servlet, Parser Prob

Tim Wynne Wed, 28 Mar 2001 09:56:40 -0800
Thank you Daniel - This is great stuff!

Cheers

tim

-----Original Message-----
From: A mailing list for discussion about Sun Microsystem's Java Servlet
API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of VoiD
Sent: 28 March 2001 11:40
To: [EMAIL PROTECTED]
Subject: Re: XML,Servlet, Parser Prob


Here is some code, that i use, that may be of use to you...

import javax.xml.parsers.*;
import org.w3c.dom.*;

  private Document d;
  private String xmlString = "<Hello><World>!</World></Hello>";

    try
    {
      DocumentBuilderFactory docBuilderFactory =
DocumentBuilderFactory.newInstance();
      DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();

      ByteArrayInputStream is = new ByteArrayInputStream(xml.getBytes());

      d = docBuilder.parse(is);
    }
    catch(Exception e)
    {
      e.printStackTrace(System.err);
    }

    NodeList nl = d.getChildNodes();

...

Then i think you know the rest. Hope this is what you wanted...

/Daniel

-----Original Message-----
From: A mailing list for discussion about Sun Microsystem's Java Servlet
API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of Tim
Wynne
Sent: den 28 mars 2001 11:15
To: [EMAIL PROTECTED]
Subject: [SERVLET-INTEREST] XML,Servlet, Parser Prob


Hi,
 I have a servlet that uses COS send a post to another servlet. I've
included a parameter called "XMLMSG" which contains a string, which is valid
XML. The servlet at the other end can pick out the XML with

        String xmlrequest = req.getParameter("XMLMSG");

This all works fine. However, I want to Parse this XML message, preferably
using a SAX Parser - but the parameters to the Parse function are either a
org.xml.sax.InputSource or a java.lang.String (identifying the systemid). I
want to actually parse the String xmlrequest itself.

I can see only one solution so far - have the listening servlet write the
string to a filesystem temp file, then provide the known URI to this temp
file as a String. However - this doesn't seem particuarly elegant, and will
probably impact the performance, as there will definately be a write to the
disk.

Can anybody think of a better solution, i.e. a parser that allows me to
parse a string? I have a feeling that there could be a simple answer to this
(such is life).

My apologies if this is slightly offtopic, but I've posted to the
xml-interest sun list, and recieved only a reply saying tha the list is
currently "held". This has obviously not helped :-)


Regards,

Tim

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Re: XML,Servlet, Parser Prob

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