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

com.volantis.xml.pipeline.sax.XMLPipelineContext
Contains contextual information that is needed by processes within the pipeline.
Warning: This is a facade provided for use by user code, not for implementation by user code. User implementations of this interface are highly likely to be incompatible with future releases of the product at both binary and source levels.

Processes can be added to the pipeline after it has been running which means that they may have missed some of the events that carry contextual information that may be needed in order to interpret other events, e.g. setDocumentLocator, startPrefixMapping, etc. This class provides access to that information.

Each pipeline has its own instance of this object which is created when the pipeline is created and discarded when the pipeline is discarded. Nested pipelines use the same instance of this class as the containing pipeline.

In addition to the normal SAX contextual information this class also provides facilities for pipeline objects such as XMLProcesses to communicate with each other.

XML Base

The XML Base standard defines a mechanism to allow page authors to specify the base URI used when resolving relative URIs. This interface provides support for managing them using the following methods.
- {@link #pushBaseURI}
- {@link #popBaseURI}
- {@link #getCurrentBaseURI}
- {@link #pushLocator}
- {@link #popLocator}
- {@link #getCurrentLocator}
Namespace mappings
todo: document this
Environment Interaction Tracker

The {@link EnvironmentInteractionTracker} is used to keep track of theenvironment interactions that affect the pipeline.

Object Stack

The object stack can be used by objects (processes, dynamic element rules, etc) to communicate and cooperate with one another.

The {@link ResourceOwner#release} method will be invoked on stack objectsthat implement the interface when the object is popped off the stack.

While pushing an {@link XMLProcess} on the object stack is allowed it isnot recommended as it can cause problems. An {@link XMLProcess} is a{@link ResourceOwner} and so popping it off the stack could
Custom Properties

These are used to allow pipeline objects (processes, rules) to communicate and cooperate with both the user of the pipeline and other pipeline objects. See {@link PropertyContainer} for more details.
The {@link ResourceOwner#release} method will be invoked on propertyvalues that implement the interface if the property is changed or removed.

Flow Control

Conditional content and error recovery require the ability to skip over events within the pipeline until a certain point within the event stream is reached at which time the pipeline carries on processing as normal. The mechanism to support this is called flow control.

Error Recovery

As part of error recovery this object provides support for recovering back to a well known state. This can involve discarding property values and objects on the object stack. The {@link ResourceOwner#release} method willbe invoked for those property values and stack objects that implement that interface and are discarded during error recovery.
@volantis-api-include-in PublicAPI @volantis-api-include-in ProfessionalServicesAPI @volantis-api-include-in InternalAPI @mock.generate

        };


        serverMock.addTransaction(null, response);


            XMLPipelineConfiguration config = createPipelineConfiguration();
            XMLPipelineContext context =
                pipelineFactory.createPipelineContext(config,
                            createRootEnvironmentInteraction());


            WebDriverAccessor accessor = createWebDriverAccessor();


            context.setProperty(WebDriverAccessor.class, accessor, false);


            doInContextTest(context,
                            "IgnoreErroredContentWhenDisabledTestCase.input.xml",
                            "IgnoreErroredContentWhenDisabledTestCase.expected.xml");

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            XMLPipelineConfiguration config = createPipelineConfiguration();
            // need to enable ignore mime type feature if we want the ignored
            // content to be saved to the response
            retrieveWebdConfiguration(config).setIgnoreContentEnabled(true);
            XMLPipelineContext context =
                pipelineFactory.createPipelineContext(config,
                            createRootEnvironmentInteraction());


            WebDriverAccessor accessor = createWebDriverAccessor();


            context.setProperty(WebDriverAccessor.class, accessor, false);


            doInContextTest(context,
                            "IgnoreContentForMimeTypeTestCase.input.xml",
                            "IgnoreContentForMimeTypeTestCase.expected.xml");

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        };


        serverMock.addTransaction(null, response);


            XMLPipelineConfiguration config = createPipelineConfiguration();
            XMLPipelineContext context =
                pipelineFactory.createPipelineContext(config,
                            createRootEnvironmentInteraction());


            WebDriverAccessor accessor = createWebDriverAccessor();


            context.setProperty(WebDriverAccessor.class, accessor, false);


            doInContextTest(context,
                            "IgnoreContentForMimeTypeTestCase.input.xml",
                            "IgnoreContentForMimeTypeTestCase.expected.xml");

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            XMLPipelineConfiguration config = createPipelineConfiguration();
            WebDriverConfiguration webdConf = retrieveWebdConfiguration(config);


            webdConf.setResponseContainsPipelineMarkup(true);
            XMLPipelineContext context =
                pipelineFactory.createPipelineContext(config,
                                    createRootEnvironmentInteraction());
            context.setProperty(HTTPResponsePreprocessor.class,
                                new HTTPResponsePreprocessor() {
                    public void preprocessResponse(HTTPMessageEntities headers,
                                                       HTTPMessageEntities cookies,
                            int statusCode) {
                            // create a content type header in order to perform a
                            // lookup
                            Header contentType =
                                    HTTPFactory.getDefaultInstance()
                                    .createHeader("Content-Type");


                            // retrieve all the contentType headers
                        Header[] headerArray = (Header[]) headers.retrieve(contentType.getIdentity());


                            // change all contentType headers
                            for (int i = 0; i < headerArray.length; i++) {
                                contentType = headerArray[i];
                                contentType.setValue("text/xml");
                            }
                        }
                    }, false);
            WebDriverAccessor accessor = createWebDriverAccessor();
            context.setProperty(WebDriverAccessor.class, accessor, false);


            doInContextTest(context,
                            "SimpleGetTestCase.input.xml",
                            "SimpleGetTestCase.expected.xml");

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    // javadoc inherited
    public void setPipeline(XMLPipeline pipeline) {
        super.setPipeline(pipeline);


        // get hold of the pipeline context
        XMLPipelineContext context = getPipelineContext();


        // get hold of the pipeline configuration
        XMLPipelineConfiguration pipelineConfiguration =
                context.getPipelineConfiguration();


        configuration = (TransformConfiguration)
                pipelineConfiguration.retrieveConfiguration(
                        TransformConfiguration.class);


        if (configuration == null) {
            // cannot get hold of the configuration. As this is fatal
            // deliver a fatal error down the pipeline
            XMLPipelineException error = new XMLPipelineException(
                    "Could not retrieve the transform configuration",
                    context.getCurrentLocator());


            try {
                pipeline.getPipelineProcess().fatalError(error);
            } catch (SAXException e) {
                // cannot continue so throw a runtime exception

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     */
    private Templates createTemplates(String absoluteURI, boolean isCompilable)
            throws IOException, SAXException, TransformerConfigurationException {


        // Get the URLContent manager.
        final XMLPipelineContext context = getPipelineContext();
        URLContentManager manager = PipelineURLContentManager.retrieve(context);


        // Get the content of the template, no timeout is supplied as there
        // is no way to specify an operation specific timeout so it uses the
        // default one associated with the manager.

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     */
    public void unloadTemplatesHandler(Boolean compilable,
                                       boolean transformation)
            throws SAXException {


        XMLPipelineContext context = getPipelineContext();
        if (null == templatesHandler && !context.inErrorRecoveryMode()) {
            throw new IllegalStateException("No templates handler to unload");
        }


        if (templatesHandler != null) {
            templatesHandler.endDocument();

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            } else {
                // The compilable attribute was not present in this element so
                // if this is a transformation element we'll check the parent
                // transform element.
                if (transformation) {
                    XMLPipelineContext pipelineContext = getPipelineContext();
                    Object o = pipelineContext.getProperty("TransformOperation");
                    if (o != null) {
                        isCompilable = ((Boolean) o).booleanValue();
                    }
                }
            }

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     * the correct value for the compilable attribute is used by the nested
     * elements.
     */
    public void pushCompilableAttribute(Boolean compilable) {


        XMLPipelineContext pipelineContext = getPipelineContext();
        Object o = pipelineContext.getProperty("TransformOperation");
        if (o != null) {
            // There is a transform element surrounding this one.
            outerCompilable = (Boolean) o;
        } else {
            // There is no transform element outside of this one
            outerCompilable = null;
        }


        pipelineContext.setProperty("TransformOperation", compilable, false);
    }

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     * elements.
     */
    public void popCompilableAttribute() {
        // Restore the value of the compilable attribute for the OUTER transform
        // element to the XMLPipelineContext
        XMLPipelineContext pipelineContext = getPipelineContext();
        pipelineContext.setProperty(
                "TransformOperation", outerCompilable, false);


    }

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

XML Base

Namespace mappings

Environment Interaction Tracker

Object Stack

Custom Properties

Flow Control

Error Recovery

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