Examples of com.volantis.xml.pipeline.sax.XMLProcess

com.volantis.xml.pipeline.sax.XMLProcess
An XMLProcess is a component that accepts SAX events as an input, performing some operation or process on this input in order to generate SAX events as an output. XMLProcess are linked together to create an XML XMLPipeline.
Users should not implement this interface directly, rather they should use the {@link XMLProcessImpl} as it is likely that additional methodswill be added to this interface in future as required. e.g. it may be necessary in future to extends some of the other SAX events interfaces such as {@link org.xml.sax.EntityResolver} and possibly even some of the optionalones such as {@link org.xml.sax.ext.DeclHandler} and{@link org.xml.sax.ext.LexicalHandler}.

Warning

Processes must not rely on the qName attribute of the {@link ContentHandler#startElement} and {@link ContentHandler#endElement}being available. The pipeline requires namespace support and so the namespaceURI and localName attributes are always set but the qName may not be.

Unsupported Methods

The following methods from {@link ContentHandler} are not used within thepipeline. It is a fatal error if any of them methods are invoked.
- {@link #setDocumentLocator}
- {@link #startDocument}
- {@link #endDocument}
- {@link #skippedEntity}
In addition processes must not rely on receiving the following events as they may eventually join the above list of unsupported methods.
- {@link ContentHandler#startPrefixMapping}
- {@link ContentHandler#endPrefixMapping}
@see Contextual Information @volantis-api-include-in PublicAPI @volantis-api-include-in ProfessionalServicesAPI @volantis-api-include-in InternalAPI @mock.generate

     * @throws Exception if an error occures
     */
    public void testStartPrefixMappingInFlowControlMode() throws Exception {
        // create a FlowControlProcess that is in flow control mode and
        // has a next process set
        XMLProcess testable = createTestableProcess();
        prepareProcessForFlowControlTest(testable);
        
        // invoke the method being tested
        testable.startPrefixMapping(PREFIX, URI);
        
        // as in flow control mode ensure event was not forwarded to  
        // the next process
        XMLProcessTestable next = 
                (XMLProcessTestable) testable.getNextProcess();
        next.assertStartPrefixMappingNotInvoked();
    }

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     * @throws Exception if an error occures
     */
    public void testErrorInFlowControlMode() throws Exception {
        // create a FlowControlProcess that is in flow control mode and
        // has a next process set
        XMLProcess testable = createTestableProcess();
        prepareProcessForFlowControlTest(testable);
        
        // invoke the method being tested
        testable.error(EXCEPTION);
        
        // even in flow control mode errors should be forwarded
        XMLProcessTestable next = 
                (XMLProcessTestable) testable.getNextProcess();
        next.assertErrorInvoked(EXCEPTION);
    }

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     * @throws Exception if an error occures
     */
    public void testFatalErrorInFlowControlMode() throws Exception {
        // create a FlowControlProcess that is in flow control mode and
        // has a next process set
        XMLProcess testable = createTestableProcess();
        prepareProcessForFlowControlTest(testable);
        
        // invoke the method being tested
        try {
            testable.fatalError(EXCEPTION);
            fail("fatalError did not forward the error to the next process");
        } catch(SAXParseException e) {            
        }        
    }

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     * @throws Exception if an error occures
     */
    public void testWarningInFlowControlMode() throws Exception {
        // create a FlowControlProcess that is in flow control mode and
        // has a next process set
        XMLProcess testable = createTestableProcess();
        prepareProcessForFlowControlTest(testable);
        
        // invoke the method being tested
        testable.warning(EXCEPTION);
        
        // even in flow control mode warnings should be forwarded
        XMLProcessTestable next = 
                (XMLProcessTestable) testable.getNextProcess();
        next.assertWarningInvoked(EXCEPTION);
    }

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        InputSource inputSource = new InputSource(getInputReader(input));
        Document expectedDoc = new SAXBuilder().
                build(getExpectedReader(expected));


        SAXHandler handler = new SAXHandler();
        XMLProcess consumer = XMLHelpers.createSAXHandlerProcess(handler);


        ContextAnnotatingProcess cap = new ContextAnnotatingProcess();
        initializeProcess(cap);
        cap.setNextProcess(consumer);

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        // Prepare mocks
        contextMock.expects.findObject(CacheProperties.class).
                returns(properties).any();


        DynamicElementRule rule = new CacheControlRule();
        XMLProcess process = (XMLProcess) rule.
                startElement(dynamicProcessMock, elementName, attributes);


        assertNull(process);


        rule.endElement(dynamicProcessMock, elementName, process);

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     * testEndElement() because they all need to use the same
     * MessageAdapterProcess instance.
     * @throws Exception
     */
    public void testStartCharactersEndElement() throws Exception {
        XMLProcess process = createTestableProcess();


        // Don't call super.test.... methods because they expect
        // MessageAdapterProcess to forward the next adapter process which
        // it correctly does not.
        process.startProcess();
        process.startElement(NAMESPACE_URI, LOCAL_NAME, Q_NAME, ATTS);
        process.characters(CH, START, LENGTH);
        process.endElement(NAMESPACE_URI, LOCAL_NAME, Q_NAME);
        process.stopProcess();
    }

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     *
     * @param pipeline The pipeline whose target process is requested.
     * @return Target process.
     */
    protected XMLProcess getTargetProcess(XMLPipeline pipeline) {
        XMLProcess target = pipeline.getHeadProcess();
        if (target == null) {
            target = pipeline.getPipelineProcess().getNextProcess();
        }
        if (target == null) {
            throw new IllegalStateException("Cannot find target process");

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     *
     * @param pipeline The pipeline whose target process is requested.
     * @return Target process.
     */
    protected XMLProcess getTargetProcess(XMLPipeline pipeline) {
        XMLProcess target = pipeline.getHeadProcess();
        if (target == null) {
            target = pipeline.getPipelineProcess().getNextProcess();
        }
        if (target == null) {
            throw new IllegalStateException("Cannot find target process");

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                               ExpandedName element,
                               Attributes attributes)
            throws SAXException {


        // factor the XMLProcess that should be added to the pipeline
        XMLProcess process = createProcess(dynamicProcess,
                                           element,
                                           attributes);
        if (process != null) {
            // add the process to the pipeline
            dynamicProcess.addProcess(process);

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Examples of com.volantis.xml.pipeline.sax.XMLProcess

Warning

Unsupported Methods

Related Classes of com.volantis.xml.pipeline.sax.XMLProcess