call xpl from java

>
> I would like to call an XPL from java, but I can't get back the output
> of the XPL.
> The executePipeline method runs without error. I try to get the output
> through the response.outputStream, but  it is empty.
>
> I want to make this test.xpl run:
> <p:config xmlns:p="http://www.orbeon.com/oxf/pipeline"
>           xmlns:oxf="http://www.orbeon.com/oxf/processors">
>
>     <p:param type="input" name="selectparam"/>
>     <p:param type="output" name="data"/>
>      
>     <p:processor name="oxf:identity">
>         <p:input name="data"
> href="#selectparam#xpointer(/input/selectParamsSection)"/>
>         <p:output name="data" ref="data"/>
>     </p:processor>
> </p:config>
>
>
> private static String callTest(Element selectparam) {
>         try {
>             // Only log warnings and higher
>             Properties log4jProperties = new Properties();
>             log4jProperties.put("log4j.rootLogger", "WARN");
>             PropertyConfigurator.configure(log4jProperties);
>
>             // Initialize the Resource Manager
>             Map props = new HashMap();
>             props.put("oxf.resources.factory",
> "org.orbeon.oxf.resources.ClassLoaderResourceManagerFactory");
>             ResourceManagerWrapper.init(props);
>
>             // Initialize properties
>             OXFProperties.init("oxf:/properties.xml");
>            
>             // Create an initial pipeline context
>             PipelineContext pipelineContext = new PipelineContext();
>            
>             // Register inital processors with the default XML Processor
> Registry
>             Processor processorsDefinition =
> PipelineUtils.createURLGenerator("oxf:/processors.xml");
>            
>             Processor registry = new XMLProcessorRegistry();
>             PipelineUtils.connect(processorsDefinition, "data",
> registry, "config");
>             pipelineContext.setAttribute(PipelineContext.JNDI_CONTEXT,
> new InitialContext());
>             registry.reset(pipelineContext);
>             registry.start(pipelineContext);
>
>             ProcessorDefinition processorDefinition = new
> ProcessorDefinition();
>             processorDefinition.setUri("oxf/processor/pipeline");
>             processorDefinition.addInput("config",
> "file:///d:/eclipse/workspace/....../test.xpl");
>             processorDefinition.addInput("selectparam", selectparam);
>            
>             ExternalContext externalContext = new SimpleExternalContext();
>
>            
> PipelineEngineFactory.instance().executePipeline(processorDefinition,
> externalContext, pipelineContext);                    
>             ExternalContext.Response response =
> externalContext.getResponse();
>                
>            ByteArrayOutputStream os =
> (ByteArrayOutputStream)response.getOutputStream();
>                  
>           String result = os.toString();
>           System.out.println("SectionCollection-initOXF-xquery [" +
> result + "]");
>                            
>             return result;
>            
>         } catch (Exception ex) {
>                 ex.printStackTrace();
>         }
>        
>         return null;
>     }
>
>
> Please, help me!
>
> jel
>
>
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>
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