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Posted to users@cocoon.apache.org by roberto graiff <ro...@sidera.it> on 2009/10/08 10:22:48 UTC

Custom generator

Hi all , I'm some trouble to write CustomGenerator with cocoon 2.1.10.  
It work fine with 2.1.4.

A snippet of code:



public class DatabaseGenerator extends ServiceableGenerator
	implements CacheableProcessingComponent, Disposable {

...
...

	@Override
	public void service(ServiceManager manager) throws ServiceException {
	    super.service(manager);

	ComponentSelector selector = (ComponentSelector)manager.lookup 
(DataSourceComponent.ROLE + "Selector"); ----  this line throw an  
exception
		    this.datasource = (DataSourceComponent) selector.select 
(this._datasource);		
			conn = this.datasource.getConnection();

	}

....
...
.....
......

}




When call a generator cocoon throw an exception when try to obtain the  
ComponentSelector:


java.lang.ClassCastException:  
org.apache.avalon.framework.service.WrapperServiceSelector
	at sidera.cocoon.generation.DatabaseGenerator.generate 
(DatabaseGenerator.java:127)
	at  
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline 
(AbstractProcessingPipeline.java:579)
	at  
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline 
(AbstractCachingProcessingPipeline.java:279)
	at  
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process 
(AbstractProcessingPipeline.java:780)
	at org.apache.cocoon.components.source.impl.SitemapSource.toSAX 
(SitemapSource.java:413)
	at org.apache.cocoon.components.source.SourceUtil.toSAX 
(SourceUtil.java:101)
	at org.apache.cocoon.components.source.SourceUtil.parse 
(SourceUtil.java:321)





Any suggestion ??

Regards

RG

Re: Custom generator

Posted by roberto graiff <ro...@sidera.it>.
The code is similar to an example on documentation on cocoon.
This code works fine with 2.1.4.

RG

Il giorno 08/ott/2009, alle ore 11.20, Thorsten Scherler ha scritto:

> On Thu, 2009-10-08 at 10:22 +0200, roberto graiff wrote:
>> Hi all , I'm some trouble to write CustomGenerator with cocoon  
>> 2.1.10.
>> It work fine with 2.1.4.
>>
>> A snippet of code:
>>
>>
>>
>>
>>
>>
>> public class DatabaseGenerator extends ServiceableGenerator
>> implements CacheableProcessingComponent, Disposable {
>>
>>
>> ...
>> ...
>>
>>
>> @Override
>> public void service(ServiceManager manager) throws ServiceException {
>>   super.service(manager);
>>
>>
>> ComponentSelector selector =
>> (ComponentSelector)manager.lookup(DataSourceComponent.ROLE +
>> "Selector"); ----  this line throw an exception
>
> Hmm, it seems you want
> org.apache.cocoon.components.treeprocessor.sitemap.ComponentsSelector
>
> Mind the plural on the Component part.
>
> HTH
>
> salu2
>
>>   this.datasource = (DataSourceComponent)
>> selector.select(this._datasource);
>> conn = this.datasource.getConnection();
>>
>>
>> }
>>
>>
>> ....
>> ...
>> .....
>> ......
>>
>>
>> }
>>
>>
>>
>>
>>
>>
>>
>>
>> When call a generator cocoon throw an exception when try to obtain  
>> the
>> ComponentSelector:
>>
>>
>>
>>
>> java.lang.ClassCastException:
>> org.apache.avalon.framework.service.WrapperServiceSelector
>> at
>> sidera.cocoon.generation.DatabaseGenerator.generate 
>> (DatabaseGenerator.java:127)
>> at
>> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline 
>> (AbstractProcessingPipeline.java:579)
>> at
>> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline 
>> (AbstractCachingProcessingPipeline.java:279)
>> at
>> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process 
>> (AbstractProcessingPipeline.java:780)
>> at
>> org.apache.cocoon.components.source.impl.SitemapSource.toSAX 
>> (SitemapSource.java:413)
>> at
>> org.apache.cocoon.components.source.SourceUtil.toSAX 
>> (SourceUtil.java:101)
>> at
>> org.apache.cocoon.components.source.SourceUtil.parse 
>> (SourceUtil.java:321)
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Any suggestion ??
>>
>>
>> Regards
>>
>>
>> RG
>>
>>
> -- 
> Thorsten Scherler <thorsten.at.apache.org>
> Open Source Java <consulting, training and solutions>
>
> Sociedad Andaluza para el Desarrollo de la Sociedad
> de la Información, S.A.U. (SADESI)
>
>
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@cocoon.apache.org
> For additional commands, e-mail: users-help@cocoon.apache.org
>


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Re: Custom generator

Posted by Thorsten Scherler <th...@juntadeandalucia.es>.
On Thu, 2009-10-08 at 10:22 +0200, roberto graiff wrote:
> Hi all , I'm some trouble to write CustomGenerator with cocoon 2.1.10.
> It work fine with 2.1.4.
> 
> A snippet of code:
> 
> 
> 
> 
> 
> 
> public class DatabaseGenerator extends ServiceableGenerator 
> implements CacheableProcessingComponent, Disposable {
> 
> 
> ...
> ...
> 
> 
> @Override
> public void service(ServiceManager manager) throws ServiceException {
>    super.service(manager);
> 
> 
> ComponentSelector selector =
> (ComponentSelector)manager.lookup(DataSourceComponent.ROLE +
> "Selector"); ----  this line throw an exception

Hmm, it seems you want 
org.apache.cocoon.components.treeprocessor.sitemap.ComponentsSelector 

Mind the plural on the Component part.

HTH

salu2

>    this.datasource = (DataSourceComponent)
> selector.select(this._datasource); 
> conn = this.datasource.getConnection();
> 
> 
> }
> 
> 
> ....
> ...
> .....
> ......
> 
> 
> }
> 
> 
> 
> 
> 
> 
> 
> 
> When call a generator cocoon throw an exception when try to obtain the
> ComponentSelector:
> 
> 
> 
> 
> java.lang.ClassCastException:
> org.apache.avalon.framework.service.WrapperServiceSelector
> at
> sidera.cocoon.generation.DatabaseGenerator.generate(DatabaseGenerator.java:127)
> at
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579)
> at
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:279)
> at
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:780)
> at
> org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:413)
> at
> org.apache.cocoon.components.source.SourceUtil.toSAX(SourceUtil.java:101)
> at
> org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:321)
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Any suggestion ??
> 
> 
> Regards
> 
> 
> RG
> 
> 
-- 
Thorsten Scherler <thorsten.at.apache.org>
Open Source Java <consulting, training and solutions>

Sociedad Andaluza para el Desarrollo de la Sociedad 
de la Información, S.A.U. (SADESI)





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