[jdom-interest] Request for help: building a document from an InputStream

[Jason Hunter]

Sounds like you got whitespace or something coming before <?.  By
ignoring the line you take advantage of XML parser's ability to forgive
missing decls.

-jh-

Bob Tykulsker wrote:
> 
> Hello World,
> 
> I have a java application that is listening on a socket.
> I am sending XML that looks like:
>         <?xml version="1.0" encoding="UTF-8"?>
>         <message>
>                 <message_name>request_login</message_name>
>                 <username>joy</username>
>         </message>
> 
> I thought I could use code like:
>         Buffered Reader sin    = new BufferedReader(new
> InputStreamReader(socket.getInputStream()));
>         SAXBuilder      builder= new SAXBuilder();
>         Document        doc    = builder.build(sin);
> in one fell swoop, but application doesn't seem to get anything until
> interrupt it, at which point it throws the following exception:
> org.jdom.JDOMException: Error on line 8: The XML declaration may only appear
> at the very beginning of the document.
> 
> I *CAN* work around this by writing the document without newlines, reading
> the socket a line at a time
> and building the document from a String as per the FAQ:
>         while (true) {
>                 String          line            = sin.readLine();
> 
>                 if (line.indexOf("xml version") != -1) continuue;
>                 Document doc = new SAXBuilder().build(new StringReader(line));
>         }
> 
> Any suggestions?
> Thanks in advance,
> 
> Bob
> 
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