In fact, the spring plugin contains an example of a custom
classloader. We have a classloader there that reloads classes, that
should give you some ideas.
musachy
On Wed, Sep 9, 2009 at 6:41 AM, Wes Wannemacher<w...@wantii.com> wrote:
> I don't know if I would override the class loader (did I suggest that
> earlier, if so, sorry :( ). I would take a look at overriding the
> buildBean methods. Use your custom classloader to build the 'beans'
> but do it in a way that tries your classloader first, then falls
> through to the super class... For instance, the key lines in xwork's
> SpringObjectFactory (which is where the meat of the spring-plugin is
> located) looks like this -
>
> if (appContext.containsBean(className)) {
> clazz = appContext.getBean(className).getClass();
> } else {
> clazz = super.getClassInstance(className);
> }
>
> The SpringObjectFactory is a bit large-ish because we added some
> helpful spring integration (supporting autowiring, etc.), but IMO it
> is still the best example for you to get what you want. I don't think
> our fisheye instance at opensymphony is working, so the best thing to
> do is either check out xwork from svn -
>
> svn co http://svn.opensymphony.com/svn/xwork/trunk
>
> And you'll find SpringObjectFactory.java in there under
> trunk/core/src/main/java/com/opensymphony/xwork2/spring
>
> Or if you're not into svn, then you can probably just download the
> file by hitting the following URL in your browser -
>
> http://svn.opensymphony.com/svn/xwork/trunk/core/src/main/java/com/opensymphony/xwork2/spring/SpringObjectFactory.java
>
> -Wes
>
> On Wed, Sep 9, 2009 at 6:25 AM, Andriy Pererva <andronix1...@gmail.com> wrote:
>> Hello, Wes!
>> Thank you for your quick help! I did exactly what you advised me, but
>> something still doesn't work. Here are my steps:
>> 1) Created CustomObjectFactory which extends StrutsObjectFactory, with
>> only one method overriden - setClassLoader(). Inside this method I
>> simply pass my custom classloader to super.setClassLoader().
>> 2) Inserted in my struts.xml (right after struts-default.xml
>> inclusion) next strings:
>> <bean type="com.opensymphony.xwork2.ObjectFactory"
>> name="customFactory"
>> class="efi.base.web.framework.CustomObjectFactory" />
>> <constant name="struts.objectFactory" value="customFactory"/>
>> After that I tried to debug my CustomObjectFactory in Eclipse, but my
>> overriden method setClassLoader() hasn't been invoked during struts
>> initialization.
>> Currently we are using Struts 2.0.11.
>> Please, tell me what I'm doing wrong? What is the most neat way to
>> intelligently pass my classloader to Struts?
>> Again, thank you in advance for you answer!
>>
>>
>> With best regards,
>> Andriy
>>
>>
>>
>> On Thu, Sep 3, 2009 at 4:39 PM, Wes Wannemacher<w...@wantii.com> wrote:
>>> I would suggest creating your own plugin... If the custom classes are
>>> actions, validators, interceptors and type converters then just take a
>>> look at the spring plugin for an example. You will want to write your
>>> own implementation of the ObjectFactory, the ObjectFactory is in
>>> charge of creating the struts2 app's actions, validators,
>>> interceptors, type converters and beans.
>>>
>>> As far as enhancing the functionality of struts.xml processing, I
>>> would first suggest you see if you can retrofit your application to
>>> work with one of the existing plugins like 'conventions'. I only say
>>> this because enhancing the XmlConfigurationProvider is quite a bit
>>> more daunting than extending the ObjectFactory. If you really can't
>>> adopt an existing plugin for configuration, then create an
>>> implementation of ConfigurationProvider and take a look at the
>>> StrutsXmlConfigurationProvider and see if you can get the dispatcher
>>> to honor your new ConfigurationProvider.
>>>
>>> -Wes
>>>
>>> On Thu, Sep 3, 2009 at 9:33 AM, Andriy Pererva<andronix1...@gmail.com>
>>> wrote:
>>>> Hi, all!
>>>> I'm working on a big java web project, which is based on Struts 2
>>>> framework. Now we are going to do some refactoring and split the
>>>> project up in some parts: core and other auxillary functionality
>>>> modules. Core classes located under classpath, but all the auxillary
>>>> functionality classes will be moved to database and loaded via our
>>>> custom ClassLoader. Among these classes there are some Stuts actions
>>>> and part of the struts.xml file with appropriate mapping.
>>>> How can I make Struts 2 aware of my custom ClassLoader in order to
>>>> load these auxillary action classes from DB. Currently Struts cannot
>>>> find and instantinate any of them
>>>> Any suggestions would be very appreciated!
>>>>
>>>> Thank you in advance for any useful answer.
>>>>
>>>> With best regards,
>>>> Andriy.
>>>>
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>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Wes Wannemacher
>>>
>>> Head Engineer, WanTii, Inc.
>>> Need Training? Struts, Spring, Maven, Tomcat...
>>> Ask me for a quote!
>>>
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>>>
>>>
>>
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>>
>
>
>
> --
> Wes Wannemacher
>
> Head Engineer, WanTii, Inc.
> Need Training? Struts, Spring, Maven, Tomcat...
> Ask me for a quote!
>
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>
>
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