Thanks Grzegorz for this detailed reply, it really helps.
I will take a look at the demos as well.
Regards,
Josh
Grzegorz Kossakowski-3 wrote:
>
> Josh2007 pisze:
>> Hi,
>>
>> I'm migrating from Cocoon 2.1 to Cocoon 2.2.
>> Cocoon 2.2 is deployed as a servlet in Tomcat along with 2 other
>> servlets:
>> Axis 2 and eXist xmldb.
>>
>> It seems with Cocoon 2.2 I can call my 2 other servlets from Cocoon and
>> get
>> any xml result they will generate in my sitemap.
>
> Yep, but you can only call servlets that are registered as Spring-beans,
> using configuration file
> like this[1]:
> <bean id="org.apache.cocoon.servletservice.demo1.servlet"
> class="org.apache.cocoon.servletservice.demo1.DemoServlet">
> <servlet:context mount-path="/test1">
> <servlet:init-params>
> <entry key="foo" value="baz"/>
> </servlet:init-params>
> <servlet:connections>
> <entry key="demo2"
> value-ref="org.apache.cocoon.servletservice.demo2.servlet"/>
> </servlet:connections>
> </servlet:context>
> </bean>
>
> In most cases it's not a big problem to configure servlets that way.
>
>> Can I do that with ServletServiceGenerator? Is there any example? I've
>> been
>> searching without success for now.
>
> Actually, ServletServiceGenerator does something more than just fetching
> data from other servlets
> (it's a job of servlet source). Take a look at this example[2]:
>
> <!-- This is a test of basic servlet services functionality
> servletService generator makes a HTTP POST request on
> servlet:test2:/basic-service.
> Generator posts content of test.xml file and returns to the
> pipeline result of service call.
> -->
> <map:match pattern="test5">
> <map:generate type="servletService" src="test.xml">
> <map:parameter name="service"
> value="servlet:test2:/basic-service?caller=generator"/>
> </map:generate>
> <map:serialize type="xml"/>
> </map:match>
>
> The comment above the match explains what happens quite well. The idea is
> to fetch data that is
> based on POSTed data. This way servlet:test2:/basic-service can be viewed
> as pipeline *fragment*
> looking even implementation[2] looks like this:
> <!-- This basic service pipeline takes POSTed XML and applays simple
> transformation on it -->
> <map:match pattern="basic-service">
> <map:generate src="service-consumer:"/>
> <map:transform src="service-test.xsl">
> <map:parameter name="caller" value="{request-param:caller}"/>
> </map:transform>
> <map:serialize type="xml"/>
> </map:match>
>
>> Will my sitemap look like this?
>>
>> <map:pipeline>
>> <map:match pattern="test">
>> <map:generate src="anySoapRequest.xml"
>> type="ServletServiceGenerator"/>
>> <map:serialize type="xml"/>
>> </map:match>
>> </map:pipeline>
>
> I would say it would look like this:
> <map:pipeline>
> <map:match pattern="test">
> <map:generate src="servlet:axis:/anySoapRequest" type="file"/>
> <map:serialize type="xml"/>
> </map:match>
> </map:pipeline>
>
>> Thanks for your help,
>
> I suggest to take a closer look at cocoon-servlet-service-sample module
> that contains some simple
> demos. Of course they are not ideal but at least they present the most
> important features of Servlet
> Service Framework.
>
> I hope that helps a little.
>
> [1]
> http://svn.apache.org/repos/asf/cocoon/trunk/core/cocoon-servlet-service/cocoon-servlet-service-sample/src/main/resources/META-INF/cocoon/spring/cocoon-servlet-service-demo1-servletService.xml
> [2]
> http://svn.apache.org/repos/asf/cocoon/trunk/core/cocoon-servlet-service/cocoon-servlet-service-sample/src/main/resources/COB-INF/test1/sitemap.xmap
> [3]
> http://svn.apache.org/repos/asf/cocoon/trunk/core/cocoon-servlet-service/cocoon-servlet-service-sample/src/main/resources/COB-INF/test2/sitemap.xmap
>
> --
> Grzegorz Kossakowski
> Committer and PMC Member of Apache Cocoon
> http://reflectingonthevicissitudes.wordpress.com/
>
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