public SerializeNode(String name,
    VariableResolver source,
    VariableResolver mimeType,
    VariableResolver statusCode) 
{
                                                    
        this.serializerName = name;
        this.source = source;
        this.mimeType = mimeType;
        this.statusCode = statusCode;
}

Build a SerializerNode having a name, a mime-type and a status code (HTTP codes).

Parameters:

name - the name of the serializer to use.

mimeType - the mime-type, or null not specified.

statusCode - the HTTP response status code, or -1 if not specified.

 public final boolean invoke(Environment env,
    InvokeContext context) throws Exception 
{
        // Check view
        if (this.views != null) {
            //inform the pipeline that we have a branch point
            context.getProcessingPipeline().informBranchPoint();
            String cocoonView = env.getView();
            if (cocoonView != null) {
                // Get view node
                ProcessingNode viewNode = (ProcessingNode)this.views.get(cocoonView);
                if (viewNode != null) {
                    if (getLogger().isInfoEnabled()) {
                        getLogger().info("Jumping to view " + cocoonView + " from serializer at " + this.getLocation());
                    }
                    return viewNode.invoke(env, context);
                }
            }
        }
        final Map objectModel = env.getObjectModel();
        final 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);
        }
        String type = this.serializerName;
        String source = this.source.resolve(context, objectModel);
        Parameters parameters = VariableResolver.buildParameters(this.parameters, context, objectModel);
        Parameters hintParameters = this.pipelineHints == null
                ? Parameters.EMPTY_PARAMETERS
                : VariableResolver.buildParameters(this.pipelineHints, context, objectModel);
        String mimeType = this.mimeType.resolve(context, objectModel);
        pipeline.setSerializer(type,
                               source,
                               parameters,
                               hintParameters,
                               mimeType);
        // Set status code *only* if there is one - do not override status
        // code if it was set elsewhere.
        String statusCodeString = this.statusCode.resolve(context, objectModel);
        if (statusCodeString != null) {
            int statusCodeInt = DEFAULT_STATUS_CODE;
            try {
                statusCodeInt = Integer.parseInt(statusCodeString);
            } catch (NumberFormatException e) {
                getLogger().warn("Status code value '" + statusCodeString + "' is not an integer. " +
                                 "Using " + DEFAULT_STATUS_CODE + " instead.", e);
            }
            if (statusCodeInt  >= 0) {
                env.setStatus(statusCodeInt);
            }
        }
        if (!context.isBuildingPipelineOnly()) {
            // Process pipeline
            return pipeline.process(env);
        }
        // Return true : pipeline is finished.
        return true;
}

 public  void setParameters(Map parameterMap) 
{
        this.parameters = parameterMap;
}