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----- Original Message -----
From: "Rob Gordon" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, September 20, 2000 1:52 PM
Subject: Re: Quick bean question.
> I am also using WebLogic and it is my tentative conclusion that it does
NOT
> meet the spec on this. I am seeing attempt to call a setXXX when no
> parameter XXX appears in HTTP request parameter list.
>
> The specifics are my situation is that I have two setters setXXX with
different
> signatures. At <jsp:setProperty id="bean" name="foo" property="*" />
WebLogic
> reports that is can't resolve setter because of ambiguity of setXXX(null).
Again,
> this is the case where XXX does not appear as parameter. That is reporting
> this message at all tells me 1) it does attempt to invoke all setters and
2) for
> those w/o parameters in http request, it is passing null.
>
> This leads me to conclude WebLogic is not in compliance per Hans reporting
on
> section 2.13.2.1:
>
> rob
>
> Brian Slezak wrote:
>
> > > Okay, let's set stage here to make sure we talk about the same thing.
What
> > > I responded to earlier was what the JSP spec says about calling bean
access
> > > methods automatically when <jsp:setProperty name="foo" property="*">
is used.
> > > This is what I referred to, from section 2.13.2.1:
> > >
> > > If you set propertyName to * then the tag will iterate over the
current
> > > ServletRequest parameters, matching parameter names and value
type(s) to
> > > property names and setter method type(s), setting each matched
property to
> > > the value of the matching parameter. If a parameter has a value of
"", the
> > > corresponding property is not modified.
> > >
> > > If you're talking about something else, such as using
request.getParameter()
> > > in a scriptlet to manually set a bean property value, then the rules
are
> > > different. If you call the bean's access method like this, the
property will
> > > of course be initialized to "". Same thing if you use a
<jsp:setProperty>
> > > action like this:
> > >
> > > <jsp:setProperty name="foo" property="bar"
> > > value="<%= request.getParameter(\"bar\") %>" />
> > >
> > > Hans
> > > --
> > > Hans Bergsten [EMAIL PROTECTED]
> > > Gefion Software http://www.gefionsoftware.com
> >
> > Ok. Well I have tried using the setProperty tag with property="*",
but it
> > had no effect whether left out or not. What I'm talking about is say
you have a
> > form, and just hit submit without entering any information in any
fields. Take
> > this example (assuming you have an accompanying Bean to go with it):
> >
> > <html>
> > <head>
> > <title> Test Page </title>
> > <jsp:useBean id="bean" scope="session" class="nameBean" > </jsp:useBean>
> > <body>
> > <p>The property name is null = <%= ( request.getParameter("name") ==
null ) %>
> > </p>
> > <form method="get">
> > <p>Name:<input type="text" name="name" size="20" value="
<jsp:getProperty
> > name="bean" property="name" /> "></p>
> > <p><input type="submit" value="Submit" name="submitBtn"><input
type="reset"
> > value="Reset" name="ResetBtn"></p>
> > </form>
> > </body>
> > </html>
> >
> > When this page is initially loaded, it will tell you that "The
property name
> > is null = true". After hitting the submit button with NOTHING in the
field, it
> > will tell you "The property name is null = false".
> >
> > Sorry about the confusion. I really need to sit down and read the
specs I
> > suppose, because I'm curious of when the Bean is created and why I'm
having
> > trouble initializing Bean properties when it is created. :)
> >
> > Thanks for you help though,
> > Brian
> >
> >
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> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
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> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
>
===========================================================================
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
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> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
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Some relevant FAQs on JSP/Servlets can be found at:
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http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
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