From: Simon <email@hidden>
To: Shravan Kumar. M <email@hidden>
Cc: WO Dev Group <email@hidden>
Sent: Sun, March 14, 2010 4:35:04 PM
Subject: Re: WOXMLDecoder NullPointerException
my advice is to use a mapping file. no mapping file = debugging nightmare
simon
On 13 March 2010 11:45, Shravan Kumar. M <
email@hidden> wrote:
> Hi Group,
>
> Following code to decode an xml file or xml string is resuting in NPE, could
> you any one please advise what's going wrong here:
>
> WOXMLDecoder xmlDecoder = WOXMLDecoder.decoder();
> //InputStream is =
> application().resourceManager().inputStreamForResourceNamed("supra.xml",
> null, null);
> //System.out.println("is..." + is);
> //Object obj = xmlDecoder.decodeRootObject(new NSData(is, 1024));
> String xmlString = "<?xml
version='1.0'
> encoding='UTF-8'?><supra><childe>123</childe></supra>";
> StringReader stringReader = new StringReader(xmlString);
> InputSource is = new InputSource(stringReader);
> Object obj = xmlDecoder.decodeRootObject(is);
> System.out.println("childe: " + xmlDecoder.valueForKey("childe"));
>
> java.lang.NullPointerException
> [2010-03-13 17:08:56 IST] <WorkerThread0> java.lang.NullPointerException
> at
> com.webobjects.appserver.xml.WOXMLDecoder.decodeObjectForKey(WOXMLDecoder.java:744)
> at
> com.webobjects.appserver.xml._private._DecodingHandler.root(_DecodingHandler.java:31)
> at
>
href="mailto:email@hidden">email@hidden
>