Examples of SynapseXPath

org.apache.synapse.util.xpath.SynapseXPath

XPath that has been used inside Synapse xpath processing. This has a extension function named get-property which is use to retrieve message context properties with the given name from the function

For example the following function get-property('prop') can be evaluatedd using an XPath to retrieve the message context property value with the name prop.

Apart from that this XPath has a certain set of XPath variables associated with it. They are as follows;

body

The SOAP 1.1 or 1.2 body element.

header

The SOAP 1.1 or 1.2 header element.

Also there are some XPath prefixes defined in SynapseXPath to access various properties using XPath variables, where the variable name represents the particular prefix and the property name as the local part of the variable. Those variables are;

ctx

Prefix for Synapse MessageContext properties

axis2

Prefix for Axis2 MessageContext properties

trp

Prefix for the transport headers

This XPath is Thread Safe, and provides a special set of evaluate functions for the MessageContext and SOAPEnvelope as well as a method to retrieve string values of the evaluated XPaths
@see org.apache.axiom.om.xpath.AXIOMXPath @see #getContext(Object) @see org.apache.synapse.util.xpath.SynapseXPathFunctionContext @see org.apache.synapse.util.xpath.SynapseXPathVariableContext

Examples of org.apache.synapse.util.xpath.SynapseXPath

        String result = axiomXpath.stringValueOf(synCtx);
        assertEquals("second", result);
    }


    public void testMessageContextGetStringValueEnvelope() throws Exception {
        SynapseXPath axiomXpath = new SynapseXPath("/s11:Envelope/s11:Body/ns1:a/ns1:c");
        axiomXpath.addNamespace("s11", nsSoapEnv);
        axiomXpath.addNamespace("ns1", nsNamespace1);


        MessageContext synCtx = TestUtils.getTestContext(sampleBody);


        String result = axiomXpath.stringValueOf(synCtx);
        assertEquals("second", result);
    }

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Examples of org.apache.synapse.util.xpath.SynapseXPath

        OMAttribute attTarget = elem.getAttribute(ATT_TARGET);
        OMAttribute attProperty = elem.getAttribute(ATT_PROPERTY);
        
        if (attTarget != null) {
            try {
                mediator.setTarget(new SynapseXPath(attTarget));
            } catch (JaxenException e) {
                handleException("Invalid XPath specified for the target attribute : " +
                    attTarget.getAttributeValue());
            }
        }

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Examples of org.apache.synapse.util.xpath.SynapseXPath

        OMAttribute attSource = elem.getAttribute(ATT_SOURCE);
        OMAttribute attProperty = elem.getAttribute(ATT_PROPERTY);
        
        if (attSource != null) {
            try {
                mediator.setSource(new SynapseXPath(attSource));
            } catch (JaxenException e) {
                handleException("Invalid XPath specified for the source attribute : " +
                    attSource.getAttributeValue());
            }
        }

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Examples of org.apache.synapse.util.xpath.SynapseXPath


    public MediatorCustomVariable(QName name) {
        super(name);
        // create the default XPath
        try {
            this.expression = new SynapseXPath(SourceXPathSupport.DEFAULT_XPATH);
            this.expression.addNamespace("s11", SOAP11Constants.SOAP_ENVELOPE_NAMESPACE_URI);
            this.expression.addNamespace("s12", SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI);
        } catch (JaxenException e) {
            handleException("Error creating source XPath expression", e);
        }

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Examples of org.apache.synapse.util.xpath.SynapseXPath

            Event<MessageContext> event = new Event<MessageContext>();
            event.setMessage(msgCtx);


            TopicBasedEventFilter filter = new TopicBasedEventFilter();
            filter.setResultValue(status);
            filter.setSourceXpath(new SynapseXPath("//weatherCondition"));
            assertTrue(filter.match(event));


            filter.setResultValue("rain");
            assertFalse(filter.match(event));            
        } catch (Exception e) {

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Examples of org.apache.synapse.util.xpath.SynapseXPath

                    TestUtils.createLightweightSynapseMessageContext("<weatherCondition>" +
                            status + "</weatherCondition>");


            XPathBasedEventFilter filter = new XPathBasedEventFilter();
            filter.setResultValue(status);
            filter.setSourceXpath(new SynapseXPath("//weatherCondition"));
            assertTrue(filter.isSatisfied(msgCtx));


            filter.setResultValue("rain");
            assertFalse(filter.isSatisfied(msgCtx));
        } catch (Exception e) {

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Examples of org.apache.synapse.util.xpath.SynapseXPath

                        if (key != null) {
                            ((MediatorCustomVariable) variable).setRegKey(key.trim());
                        }
                        if (expr != null && !"".equals(expr)) {
                            try {
                                SynapseXPath xpath = new SynapseXPath(expr);
                                OMElementUtils.addNameSpaces(xpath, variableOM, log);
                                ((MediatorCustomVariable) variable).setExpression(xpath);


                            } catch (JaxenException e) {
                                handleException("Invalid XPath specified for" +

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Examples of org.apache.synapse.util.xpath.SynapseXPath

public class SynapseXPathTest extends TestCase {


    String message = "This is XPath test";    


    public void testStringXPath() throws Exception {
        SynapseXPath xpath = SynapseXPath.parseXPathString("$body//{http://somens}test");
        MessageContext ctx =  TestUtils.getTestContext("<m0:test xmlns:m0=\"http://somens\">" + message + "</m0:test>");
        assertEquals(message, xpath.stringValueOf(ctx));
    }

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Examples of org.apache.synapse.util.xpath.SynapseXPath

        MessageContext ctx =  TestUtils.getTestContext("<m0:test xmlns:m0=\"http://somens\">" + message + "</m0:test>");
        assertEquals(message, xpath.stringValueOf(ctx));
    }


    public void testStringXPath2() throws Exception {
        SynapseXPath xpath = SynapseXPath.parseXPathString("$body//{http://somens}test/{http://someother}another");
        MessageContext ctx =  TestUtils.getTestContext("<m0:test xmlns:m0=\"http://somens\"><m1:another xmlns:m1=\"http://someother\">" + message + "</m1:another></m0:test>");
        assertEquals(message, xpath.stringValueOf(ctx));
    }

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Examples of org.apache.synapse.util.xpath.SynapseXPath

        MessageContext ctx =  TestUtils.getTestContext("<m0:test xmlns:m0=\"http://somens\"><m1:another xmlns:m1=\"http://someother\">" + message + "</m1:another></m0:test>");
        assertEquals(message, xpath.stringValueOf(ctx));
    }


    public void testAbsoluteXPath() throws Exception {
        SynapseXPath xpath = new SynapseXPath("//test");
        MessageContext ctx =  TestUtils.getTestContext("<test>" + message + "</test>");
        assertEquals(message, xpath.stringValueOf(ctx));
    }

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