Examples of org.apache.cocoon.components.pipeline.ProcessingPipeline

Package org.apache.cocoon.components.pipeline
Examples of org.apache.cocoon.components.pipeline.ProcessingPipeline

org.apache.cocoon.components.pipeline.ProcessingPipeline
A ProcessingPipeline produces the response for a given request. It is assembled according to the commands in the sitemap and can either collect a Reader and let it produce a character stream or connect a Generator with zero or more Transformers and a Serializer and let them produce the byte stream. This pipeline uses SAX events for communication. A ProcessingPipeline is Recomposable since the ComponentManager used to get the generato, transformers etc. depends on the pipeline assembly engine where they are defined (i.e. a given sitemap file). @author Carsten Ziegeler @author Giacomo Pati @version CVS $Id: ProcessingPipeline.java,v 1.2 2003/03/12 09:10:07 jefft Exp $



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115         try {
            env.changeContext(resolvedPrefix, resolvedSource);


            if (context.isBuildingPipelineOnly()) {
                // Propagate pipelines
                ProcessingPipeline pp = processor.buildPipeline(env);
                if (pp != null) {
                    context.setProcessingPipeline( pp );
                    pipelineWasBuilt = true;
                }
            } else {

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557             new FileSavingEnvironment(deparameterizedURI, lastModified, context,
                                      null, parameters, headers, links,
                                      gatheredLinks, cliContext, null, log);


        XMLConsumer consumer = new ContentHandlerWrapper(handler);
        ProcessingPipeline pipeline = cocoon.buildPipeline(env);
        CocoonComponentManager.enterEnvironment(env, cocoon.getComponentManager(), cocoon);
        try {
            pipeline.prepareInternal(env);
            pipeline.process(env, consumer);
        } finally {
            CocoonComponentManager.leaveEnvironment();
        }


        // if we get here, the page was created :-)

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126                 }
            }
        }
        
        Map objectModel = env.getObjectModel();
        ProcessingPipeline pipeline = context.getProcessingPipeline();


        // Perform link translation if requested
        if (objectModel.containsKey(Constants.LINK_OBJECT)) {
            pipeline.addTransformer("<translator>", null, Parameters.EMPTY_PARAMETERS, Parameters.EMPTY_PARAMETERS);
        }
        
        if (objectModel.containsKey(Constants.LINK_COLLECTION_OBJECT) && env.isExternal()) {
            pipeline.addTransformer("<gatherer>", null, Parameters.EMPTY_PARAMETERS, Parameters.EMPTY_PARAMETERS);
        }


        pipeline.setSerializer(
            this.serializerName,
            source.resolve(context, objectModel),
            VariableResolver.buildParameters(this.parameters, context, objectModel),
            this.pipelineHints == null
                ? Parameters.EMPTY_PARAMETERS
                : VariableResolver.buildParameters(this.pipelineHints, context, objectModel),
            this.mimeType.resolve(context, env.getObjectModel())
        );


        // Set status code if there is one
        if (this.statusCode >= 0) {
            env.setStatus(this.statusCode);
        }


        if (! context.isBuildingPipelineOnly()) {
            // Process pipeline
            return pipeline.process(env);


        } else {
            // Return true : pipeline is finished.
            return true;
        }

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96         final boolean infoEnabled = getLogger().isInfoEnabled();


        Map objectModel = env.getObjectModel();


        // Setup aggregator
        ProcessingPipeline processingPipeline = context.getProcessingPipeline();
        processingPipeline.setGenerator("<aggregator>", null, Parameters.EMPTY_PARAMETERS, Parameters.EMPTY_PARAMETERS);


        ContentAggregator aggregator = (ContentAggregator) processingPipeline.getGenerator();
        aggregator.setRootElement(this.element.resolve(context, objectModel),
                                  this.nsURI.resolve(context, objectModel),
                                  this.nsPrefix.resolve(context, objectModel));


        // Get actual parts, potentially filtered by the view

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90     public final boolean invoke(Environment env,  InvokeContext context)
      throws Exception {


        Map objectModel = env.getObjectModel();


        ProcessingPipeline pipeline = context.getProcessingPipeline();


        pipeline.setReader(
            this.readerName,
            source.resolve(context, objectModel),
            VariableResolver.buildParameters(this.parameters, context, objectModel),
            this.mimeType.resolve(context, objectModel)
        );


        // Set status code if there is one
        if (this.statusCode >= 0) {
            env.setStatus(this.statusCode);
        }


        if (! context.isBuildingPipelineOnly()) {
            // Process pipeline
            return pipeline.process(env);


        } else {
            // Return true : pipeline is finished.
            return true;
        }

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116         try {
            env.changeContext(resolvedPrefix, resolvedSource);


            if (context.isBuildingPipelineOnly()) {
                // Propagate pipelines
                ProcessingPipeline pp = processor.buildPipeline(env);
                if (pp != null) {
                    context.setProcessingPipeline( pp );
                    pipelineWasBuilt = true;
                }
            } else {

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97         boolean infoEnabled = getLogger().isInfoEnabled();


        Map objectModel = env.getObjectModel();


        // Setup aggregator
        ProcessingPipeline processingPipeline = context.getProcessingPipeline();


        processingPipeline.setGenerator("<aggregator>", null, Parameters.EMPTY_PARAMETERS, Parameters.EMPTY_PARAMETERS);


        ContentAggregator aggregator = (ContentAggregator)processingPipeline.getGenerator();
        aggregator.setRootElement(
            this.element.resolve(context, objectModel),
            this.nsURI.resolve(context, objectModel),
            this.nsPrefix.resolve(context, objectModel)
        );

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113         try {
            env.changeContext(resolvedPrefix, resolvedSource);


            if (context.isBuildingPipelineOnly()) {
                // Propagate pipelines
                ProcessingPipeline pp = processor.buildPipeline(env);
                if (pp != null) {
                    context.setProcessingPipeline( pp );
                    return true;
                } else {
                    return false;

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135         boolean infoEnabled = getLogger().isInfoEnabled();


        Map objectModel = env.getObjectModel();


        // Setup aggregator
        ProcessingPipeline processingPipeline = context.getProcessingPipeline();


        processingPipeline.setGenerator("<aggregator>", null, Parameters.EMPTY_PARAMETERS, Parameters.EMPTY_PARAMETERS);


        ContentAggregator aggregator = (ContentAggregator)processingPipeline.getGenerator();
        aggregator.setRootElement(
            this.element.resolve(context, objectModel),
            this.nsURI.resolve(context, objectModel),
            this.nsPrefix.resolve(context, objectModel)
        );

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126         try {
            env.changeContext(resolvedPrefix, resolvedSource);


            if (context.isBuildingPipelineOnly()) {
                // Propagate pipelines
                ProcessingPipeline pp = processor.buildPipeline(env);
                if ( pp != null ) {
                    context.setProcessingPipeline( pp );
                    return true;
                } else {
                    return false;

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Related Classes of org.apache.cocoon.components.pipeline.ProcessingPipeline

org.apache.cocoon.bean.CocoonWrapper
org.apache.cocoon.components.treeprocessor.sitemap.AggregateNode
org.apache.cocoon.components.treeprocessor.sitemap.MountNode
org.apache.cocoon.components.treeprocessor.sitemap.ReadNode
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode
org.apache.cocoon.components.treeprocessor.sitemap.TransformNode
org.apache.cocoon.environment.ForwardRedirector



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