Examples of com.volantis.xml.pipeline.sax.flow.FlowControlManager

Package com.volantis.xml.pipeline.sax.flow

Examples of com.volantis.xml.pipeline.sax.flow.FlowControlManager

com.volantis.xml.pipeline.sax.flow.FlowControlManager
Responsible for managing flow control within the pipeline.
Warning: This is a facade provided for use by user code, not for implementation. User implementations of this interface are highly likely to be incompatible with future releases of the product at both binary and source levels.

Managing Flow Control Mode

This class automatically manages the flow control mode and any state associated with it. On entry to flow control mode the {@link FlowController#beginFlowControl} method of all the registered{@link FlowController}s are invoked. On exit from flow control mode the {@link FlowController#endFlowControl} method of all the registered{@link FlowController}s are invoked.

The following sections describe how two different flow controllers, one based on events and one on a DOM would support flow control.

Event Based Flow Control

While in flow control mode the event based flow controller must do the following.
- For each startElement event it receives it must call {@link #handleStartElementEvent} and consume the event.
- For each endElement event it receives it must call the {@link #handleEndElementEvent}. If it returned true then it must forward the event on, otherwise it should consume it.
DOM Based Flow Control

While in flow control mode the DOM based flow controller must do the following.
- Move to the parent element.
- Call {@link #handleEndElementEvent} method (which must return true).
- Generate an endElement event for the element.
- Generate any endPrefixMapping events for the element.
- Repeat the above steps while in flow control mode.
@volantis-api-include-in PublicAPI @volantis-api-include-in ProfessionalServicesAPI @volantis-api-include-in InternalAPI

            throws IllegalStateException {


        // work out the element levels that need to be skipped
        int levelsToSkip = nesting - lastRecoveryPoint + 1;


        FlowControlManager flowControlManager =
                getPipelineContext().getFlowControlManager();


        // skip the required nesting levels
        flowControlManager.exitNestingLevels(levelsToSkip);
    }

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    /**
     * Checks if process is in FlowControl mode and ends it if so
     */
    protected void endFlowControl() {
        final FlowControlManager flowControlManager =
                marlinContext.getFlowControlManager();
        if (flowControlManager != null &&
                flowControlManager.inFlowControlMode()) {
            flowControlManager.handleEndElementEvent();
        }
    }

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        XMLPipelineContext pipelineContext =
                getPipelineContext(requestContext);


        // obtain the flow control manager from the pipeline context.
        // ok for this to be null
        FlowControlManager flowControlManager = (pipelineContext != null) ?
                pipelineContext.getFlowControlManager() : null;


        MCSInternalContentHandler defaultHandler;
        if (supportsNativeMarkup) {
            defaultHandler =

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    public void startElement(String namespaceURI, String localName,
                             String qName, Attributes atts)
            throws SAXException {


        if (inFlowControlMode) {
            FlowControlManager flowControlManager =
                    xdimeContext.getFlowControlManager();


            flowControlManager.handleStartElementEvent();
        } else {
            try {
                ElementType elementType = XDIME_2_ELEMENTS.getElementType(
                        namespaceURI, localName);

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    // Javadoc inherited.
    public void endElement(String namespaceURI, String localName, String qName)
            throws SAXException {


        FlowControlManager flowControlManager =
                xdimeContext.getFlowControlManager();
        if (!inFlowControlMode ||
                flowControlManager.handleEndElementEvent()) {
            try {


                // pop this element off the stack
                XDIMEElement element = xdimeContext.popElement();

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Related Classes of com.volantis.xml.pipeline.sax.flow.FlowControlManager

com.volantis.mcs.marlin.sax.AbstractMarlinContentHandler

com.volantis.mcs.marlin.sax.MarlinSAXHelper

com.volantis.mcs.xdime.XDIMEContentHandler

com.volantis.xml.pipeline.sax.impl.dynamic.SimpleDynamicProcess

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Examples of com.volantis.xml.pipeline.sax.flow.FlowControlManager

Managing Flow Control Mode

Event Based Flow Control

DOM Based Flow Control

Related Classes of com.volantis.xml.pipeline.sax.flow.FlowControlManager