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List: xmlrpc-user
Subject: DefaultHandlerMapping in XmlRpcServlet
From: Yves_Gänssinger <Yves.Ganssinger () hiq ! se>
Date: 2013-12-12 15:25:58
Message-ID: 207DABF6D37D4D49A4CDB3112BEAE5CF19282D58 () HIQQBEXC101 ! sto ! hiq ! se
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Hello!
We need a servlet which handles XML-RPC requests from a third party. The third-party \
XMLRPC-API had already existed before, meaning the format of these incoming requests \
is fixed and we must adapt to them.
Unfortunately, these requests only contain a methodName and no handler name. Analogue \
to the calculator-example, the requests would only contain "add" as method name, and \
no "Calculator.add". To be more precise:
This is what I could handle without problems right now:
<?xml version="1.0"?><methodCall><methodName>Calculator.Add</methodName><params></params></methodCall>
This is what I have to live with, though:
<?xml version="1.0"?><methodCall><methodName>Add</methodName><params></params></methodCall>
How can I adapt the XmlRpcServlet so that it "forwards" these requests to the right \
handler class ("Calculator")?
I already tried to add a handler with a empty "pKey"
(
PropertyHandlerMapping phm = new PropertyHandlerMapping();
phm.addHandler("", ex.ample.com.Calculator);
).
That just lead to another error ("org.apache.xmlrpc.XmlRpcException: No such handler: \
Add") when I tried to send a request to the XmlRpcServlet.
I also read that in XML-RPC 2 it was possible to use a DefaultHandlerMapping. Though, \
it seems this DefaultHandlerMapping has not been included in the latest release, \
which I would like to use. Besides, neither the provided information on the XMLRPC2- \
site nor other sources could really help me to produce some working solution - not \
even with XML-RPC 2.
I'd be glad to get some example code in the answer.
Kind regards,
Yves Gänßinger
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<p class="MsoNormal">Hello! <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">We need a servlet which handles XML-RPC \
requests from a third party. The third-party XMLRPC-API had already existed before, \
meaning the format of these incoming requests is fixed and we must adapt to them. \
<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US">Unfortunately, these requests only contain a methodName and no handler \
name. Analogue to the calculator-example, the requests would only contain \
“add” as method name, and no “Calculator.add”. To be more \
precise: <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This is what I could handle without problems \
right now:<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Courier New""><?xml \
version="1.0"?><methodCall><methodName>Calculator.Add</met \
hodName><params></params></methodCall><o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US">This is what I have to live with, though: \
<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Courier New""><?xml \
version="1.0"?><methodCall><methodName>Add</methodName><params></params></methodCall><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">How can I adapt the XmlRpcServlet so that it \
“forwards” these requests to the right handler class \
(“Calculator”)? <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I already tried to add a handler with a empty \
“pKey” <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;
color:black">(<o:p></o:p></span></p>
<p class="MsoNormal"><u><span lang="EN-US" style="font-size:10.0pt;font-family:
Consolas;color:black">PropertyHandlerMapping</span></u><span lang="EN-US" \
style="font-size:10.0pt;font-family:Consolas;color:black"> phm = </span><b><span \
lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#7F0055">new</span></b><span \
lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black"> \
PropertyHandlerMapping(); <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;
color:black">phm.addHandler(</span><span lang="EN-US" style="font-size:10.0pt;
font-family:Consolas;color:#2A00FF">""</span><span lang="EN-US" \
style="font-size:10.0pt;font-family:Consolas;color:black">, \
ex.ample.com.Calculator); <o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-size:10.0pt;font-family:Consolas; color:black">).
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;
color:black">T</span><span lang="EN-US">hat just lead to another error \
(“</span><u><span lang="EN-US" \
style="font-size:10.0pt;font-family:Consolas;color:#0066CC">org.apache.xmlrpc.XmlRpcException</span></u><span \
lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:red">: No such \
handler: Add”) </span><span lang="EN-US">when I tried to send a request to the \
XmlRpcServlet.</span><span lang="EN-US" style="font-size:10.0pt;font-family: \
Consolas;color:red"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I also read that in XML-RPC 2 it was possible \
to use a DefaultHandlerMapping. Though, it seems this DefaultHandlerMapping has not \
been included in the latest release, which I would like to use. Besides, neither the \
provided information on the XMLRPC2- site nor other sources could really help me to \
produce some working solution – not even with XML-RPC 2. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’d be glad to get some example code in \
the answer.<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US">Kind regards, <o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US">Yves Gänßinger<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US"><o:p> </o:p></span></p> </div>
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