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From conflue...@apache.org
Subject [CONF] Apache CXF Documentation > 3.0 Migration Guide
Date Thu, 23 May 2013 16:23:00 GMT
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    <h2><a href="https://cwiki.apache.org/confluence/display/CXF20DOC/3.0+Migration+Guide">3.0
Migration Guide</a></h2>
    <h4>Page <b>edited</b> by             <a href="https://cwiki.apache.org/confluence/display/~dkulp">Daniel
Kulp</a>
    </h4>
        <br/>
                         <h4>Changes (1)</h4>
                                 
    
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            <tr><td class="diff-snipped" >...<br></td></tr>
            <tr><td class="diff-unchanged" > <br>* The 2 unused params on
Destination.getBackChannel were removed.  They were unused and normally passed in as null.
<br></td></tr>
            <tr><td class="diff-added-lines" style="background-color: #dfd;">
<br>* Dropped support for Karaf 2.2.x.  Karaf 2.3.x is now required. <br></td></tr>
    
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    </div>                            <h4>Full Content</h4>
                    <div class="notificationGreySide">
        <h2><a name="3.0MigrationGuide-3.0MigrationGuide"></a>3.0 Migration
Guide</h2>

<p>Right now, 3.0 is in early planning stages.   This page is mostly collecting lists
of things we are planning on changing.  It is by no means an exhaustive list and it may completely
change depending on what gets done and such.</p>

<ul>
	<li>Combine api/core into just a cxf-kernel or similar, but pull out anything specific
to the WSDL/SOAP based services into a rt/core-ws or similar to keep kernel lighter weight
for pure REST apps.</li>
</ul>


<ul>
	<li>Combine the PhaseInterceptor and Interceptor interfaces and the PhaseInterceptorChain
and InterceptorChain into a single set.   CXF only can really use the "Phase" versions and
the others cause confusion and extra, unneeded interfaces.</li>
</ul>


<ul>
	<li>Remove QueryHandlers -&gt; these were originally used for the ?wsdl processing
(and is still used for ?js).  However, that stuff is better done directly on the interceptor
chains as interceptors to allow user supplied interceptors to also handle them.   I'd like
to just remove these.  (obviously update the ?js stuff)  Would simplify the CXFServlet a bit.</li>
</ul>



<ul>
	<li>Likely move some of the other Abstract classes and such from kernel.   For example,
we now have a transports-common module.   Move the AbstractDestination and stuff there.</li>
</ul>


<ul>
	<li>Go through all the @Deprecated things and remove them.   Likewise, remove unused
method params (I know there are a couple on the Destination API) and such.</li>
</ul>


<ul>
	<li>POSSIBLY update various API's to pass in the Bus (or other objects) if  needed
instead of holding it as an instance variable.   That would allow singleton instances for
things like the transports and such.   For example, it would be good to register a "FooCXFTransport"
as an OSGi service that we could lookup later.   Right now, we couldn't do that unless you
only used a global bus, which isn't exactly what the purpose of the Bus is.</li>
</ul>


<ul>
	<li>Move feature impls out of API and into core. Currently feature and interceptor
classes are in different packages. Which makes it difficult to modularize them. So we should
rather have one package per feature where feature class and interceptor classes are located</li>
</ul>


<ul>
	<li>Make AbstractFeature subclass WebServiceFeature and update the JAX-WS frontend
to look for them.</li>
</ul>


<ul>
	<li>Add new code generator frontend to add CXF specific constructors and methods.</li>
</ul>


<ul>
	<li>Remove support for the old bus-extensions.xml file (in favor of the current and
much faster bus-extensions.txt)</li>
</ul>



<h3><a name="3.0MigrationGuide-Workfinished"></a>Work finished</h3>

<ul>
	<li>CXFBusImpl has been removed.   The only subclass was the ExtensionMangerBus (SpringBus
and Blueprint/osgi stuff subclassed that) so the functionality was pushed up into ExtensionMangerBus.
 Some of the "common" methods were put directly on the Bus interface to make using the Bus
cleaner (no casts to the impl).</li>
</ul>


<ul>
	<li>The unused "run()" method on Bus was removed.</li>
</ul>


<ul>
	<li>Merge BaseDataReader/DataReader and the same for the writer getting rid of the
"Base" versions that are unreferenced.</li>
</ul>


<ul>
	<li>The 2 unused params on Destination.getBackChannel were removed.  They were unused
and normally passed in as null.</li>
</ul>


<ul>
	<li>Dropped support for Karaf 2.2.x.  Karaf 2.3.x is now required.</li>
</ul>

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