June 2003
Intermediate to advanced
672 pages
23h 48m
English
Content preview from Java Web Services in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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RPC-Style and Document-Style JAX-RPC
In
Section 5.2.6, it was noted that the SOAP binding for
an individual operation or for all operations defined within a
portType element can have a
style attribute that takes either of the values
rpc or document. However, not
much was said about the actual differences between these two styles.
This section looks at how RPC- and document-style operations are
represented in SOAP messages as well as at the support that JAX-RPC
provides for each.
RPC-Style Operations
Perhaps not surprisingly, when you
create client-side stubs and server-side ties for a web service for
which the definition is supplied in the form of a Java interface,
each method in the interface is mapped to an RPC-style operation. The
distinguishing feature of an RPC-style operation is the way in which
it is represented as a SOAP message, which is specified in section 7
of the SOAP 1.1 specification. For example, Figure 6-2 shows the message that is sent as a result of
invoking the following method from the BookQuery
interface from the book web service created in Chapter 2:
public String getAuthor(String name) throws RemoteException;
As you can see, the SOAP body contains a single element that is named
for the operation being invoked. This element is in the namespace
associated with the web service, which is provided in the
config.xml
file supplied to
wscompile, as shown in Example 2-9. The arguments required for the method call are nested as child elements. In this case, a single element ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.