Check out the IBM AlphaWorks site for lots of XML/Java work,
including what I think you're describing.
http://www.alphaWorks.ibm.com/tech/xml4j
Rod McChesney, Korobra
Edward Virgin wrote:
>
> I hope someone has the answer to this one ...
>
> By far the most cumbersome task (not technically challenging, just
> *lots* of work) I've encountered in servlet programming is converting
> the data in http requests into java objects. GetParameter() is
> basically a pain, but it's probably the best we can hope for in the html
> world (slightly improved methods for converting the resulting string to
> different datatypes included below for anyone who's interested).
>
> The XML world, however, seems to offer the promise of better. If the
> incoming request contains tags which tell me what the information its
> sending me is supposed to be, I should be able to stick those into
> properties on objects directly (more or less). Should make the process
> *much* easier, no?
>
> Pardon if I've been out of the loop on this one, but has anyone seen or
> done anything in this direction?
> Any responses would be much appreciated.
>
> btw - I was just at MS DevDays yesterday (it's always good to keep
> abreast of what your opponents are up to), there's a new call in ASP to
> do effectively this in the COM world - converts incoming XML into ADO
> stream directly - works very nice. If we servlet folks don't have a
> corresponding story rsn, I feel a real tail-kicking coming on here, ...
>
> // get parameter methods for other basic datatypes
> protected boolean getBooleanParameter (HttpServletRequest rq, String
> paramName)
> {
> String str = rq.getParameter(paramName);
> if (str.equals("") || str == null) return false;
> else return (str.equals("true") || str.equals("TRUE")); // can also
> use Boolean class here
> }
>
> protected double getDoubleParameter (HttpServletRequest rq, String
> paramName)
> {
> String str = rq.getParameter(paramName);
> if (str.equals("") || str == null) return (double) 0.0;
> else return (new Double(str)).doubleValue();
> }
>
> protected float getFloatParameter (HttpServletRequest rq, String
> paramName)
> {
> String str = rq.getParameter(paramName);
> if (str.equals("") || str == null) return (float) 0.0;
> else return (new Float(str)).floatValue();
> }
>
> protected int getIntegerParameter (HttpServletRequest rq, String
> paramName)
> {
> String str = rq.getParameter(paramName);
> if (str.equals("") || str == null) return (int) 0;
> else return (new Integer(str)).intValue();
> }
>
> protected long getLongParameter (HttpServletRequest rq, String
> paramName)
> {
> String str = rq.getParameter(paramName);
> if (str.equals("") || str == null) return (long) 0;
> else return (new Long(str)).longValue();
> }
>
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