Package org.apache.axiom.om

Examples of org.apache.axiom.om.OMAttribute

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     *
     * @since 2.0
     */
    protected void processAuditStatus(Mediator mediator, OMElement mediatorOmElement) {

        OMAttribute trace = mediatorOmElement.getAttribute(
            new QName(XMLConfigConstants.NULL_NAMESPACE, XMLConfigConstants.TRACE_ATTRIB_NAME));

        if (trace != null) {
            String traceValue = trace.getAttributeValue();
            if (traceValue != null) {
                if (traceValue.equals(XMLConfigConstants.TRACE_ENABLE)) {
                    mediator.setTraceState(org.apache.synapse.SynapseConstants.TRACING_ON);
                } else if (traceValue.equals(XMLConfigConstants.TRACE_DISABLE)) {
                    mediator.setTraceState(org.apache.synapse.SynapseConstants.TRACING_OFF);
                }
            }
        }

        String name = null;
        if (mediator instanceof Nameable) {
            name = ((Nameable) mediator).getName();
        }
        if (name == null || "".equals(name)) {
            name = SynapseConstants.ANONYMOUS_SEQUENCE;
        }

        if (mediator instanceof AspectConfigurable) {
            AspectConfiguration configuration = new AspectConfiguration(name);
            ((AspectConfigurable) mediator).configure(configuration);

            OMAttribute statistics = mediatorOmElement.getAttribute(ATT_STATS);
            if (statistics != null) {
                String statisticsValue = statistics.getAttributeValue();
                if (statisticsValue != null) {
                    if (XMLConfigConstants.STATISTICS_ENABLE.equals(statisticsValue)) {
                        configuration.enableStatistics();
                    }
                }
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     */
    protected Map<String, String> collectNameValuePairs(OMElement elem, QName childElementName) {
        Map<String,String> result = new LinkedHashMap<String, String>();
        for (Iterator it = elem.getChildrenWithName(childElementName); it.hasNext(); ) {
            OMElement child = (OMElement)it.next();
            OMAttribute attName = child.getAttribute(ATT_NAME);
            OMAttribute attValue = child.getAttribute(ATT_VALUE);
            if (attName != null && attValue != null) {
                String name = attName.getAttributeValue().trim();
                String value = attValue.getAttributeValue().trim();
                if (result.containsKey(name)) {
                    handleException("Duplicate " + childElementName.getLocalPart()
                            + " with name " + name);
                } else {
                    result.put(name, value);
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    private static final QName ATT_GROUP = new QName("group");

    protected Mediator createSpecificMediator(OMElement elem, Properties properties) {

        PropertyMediator propMediator = new PropertyMediator();
        OMAttribute name = elem.getAttribute(ATT_NAME);
        OMAttribute value = elem.getAttribute(ATT_VALUE);
        OMAttribute expression = elem.getAttribute(ATT_EXPRN);
        OMAttribute scope = elem.getAttribute(ATT_SCOPE);
        OMAttribute action = elem.getAttribute(ATT_ACTION);
        OMAttribute type = elem.getAttribute(ATT_TYPE);
        OMAttribute pattern = elem.getAttribute(ATT_PATTERN);
        OMAttribute group = elem.getAttribute(ATT_GROUP);

        OMElement valueElement = elem.getFirstElement();

        if (name == null) {
            String msg = "The 'name' attribute is required for the configuration of a property mediator";
            log.error(msg);
            throw new SynapseException(msg);
        } else if ((value == null && valueElement == null && expression == null) &&
                !(action != null && "remove".equals(action.getAttributeValue()))) {
            String msg = "Either a child element or one of 'value', 'expression' attributes is " +
                    "required for a property mediator when action is SET";
            log.error(msg);
            throw new SynapseException(msg);
        }
       
        propMediator.setName(name.getAttributeValue());
        String dataType = null;
        if (type != null) {
            dataType = type.getAttributeValue();
        }

        if (value != null) {
            propMediator.setValue(value.getAttributeValue(), dataType);
        } else if (valueElement != null) {
            propMediator.setValueElement(valueElement);
        } else if (expression != null) {
            try {
                propMediator.setExpression(SynapseXPathFactory.getSynapseXPath(elem, ATT_EXPRN),
                        dataType);
            } catch (JaxenException e) {
                String msg = "Invalid XPath expression for attribute 'expression' : " +
                        expression.getAttributeValue();
                log.error(msg);
                throw new SynapseException(msg);
            }
        }

        if (pattern != null) {
            propMediator.setPattern(Pattern.compile(pattern.getAttributeValue()));
            if (group != null) {
                int groupValue = Integer.parseInt(group.getAttributeValue());
                if (groupValue >= 0) {
                    propMediator.setGroup(groupValue);
                } else {                   
                    String msg = "group can have a positive value only";
                    log.error(msg);
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            if (ep instanceof AbstractEndpoint) {
                ((AbstractEndpoint) ep).setAnonymous(true);
            }
        }

        OMAttribute onFaultAtt = epConfig.getAttribute(ON_FAULT_Q);
        if (onFaultAtt != null) {
            ep.setOnFaultMessageStore(onFaultAtt.getAttributeValue());
        }
        return ep;
    }
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     * @param definition to be filled with the extracted information
     * @param elem       XML which represents the endpoint with QoS information
     */
    protected void extractCommonEndpointProperties(EndpointDefinition definition, OMElement elem) {

        OMAttribute optimize
                = elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "optimize"));
        OMAttribute encoding
                = elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "encoding"));
       
        OMAttribute trace = elem.getAttribute(new QName(
                XMLConfigConstants.NULL_NAMESPACE, XMLConfigConstants.TRACE_ATTRIB_NAME));
        if (trace != null && trace.getAttributeValue() != null) {
            String traceValue = trace.getAttributeValue();
            if (XMLConfigConstants.TRACE_ENABLE.equals(traceValue)) {
                definition.setTraceState(SynapseConstants.TRACING_ON);
            } else if (XMLConfigConstants.TRACE_DISABLE.equals(traceValue)) {
                definition.setTraceState(SynapseConstants.TRACING_OFF);
            }
        } else {
            definition.setTraceState(SynapseConstants.TRACING_UNSET);
        }


        if (optimize != null && optimize.getAttributeValue().length() > 0) {
            String method = optimize.getAttributeValue().trim();
            if ("mtom".equalsIgnoreCase(method)) {
                definition.setUseMTOM(true);
            } else if ("swa".equalsIgnoreCase(method)) {
                definition.setUseSwa(true);
            }
        }

        if (encoding != null && encoding.getAttributeValue() != null) {
            definition.setCharSetEncoding(encoding.getAttributeValue());
        }

        OMElement wsAddr = elem.getFirstChildWithName(
                new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableAddressing"));
        if (wsAddr != null) {

            definition.setAddressingOn(true);

            OMAttribute version = wsAddr.getAttribute(new QName("version"));
            if (version != null && version.getAttributeValue() != null) {
                String versionValue = version.getAttributeValue().trim().toLowerCase();
                if (SynapseConstants.ADDRESSING_VERSION_FINAL.equals(versionValue) ||
                        SynapseConstants.ADDRESSING_VERSION_SUBMISSION.equals(versionValue)) {
                    definition.setAddressingVersion(version.getAttributeValue());
                } else {
                    handleException("Unknown value for the addressing version. Possible values " +
                            "for the addressing version are 'final' and 'submission' only.");
                }
            }

            String useSepList = wsAddr.getAttributeValue(new QName("separateListener"));
            if (useSepList != null) {
                if ("true".equals(useSepList.trim().toLowerCase())) {
                    definition.setUseSeparateListener(true);
                }
            }
        }

        OMElement wsSec = elem.getFirstChildWithName(
                new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableSec"));
        if (wsSec != null) {

            definition.setSecurityOn(true);

            OMAttribute policyKey      = wsSec.getAttribute(
                    new QName(XMLConfigConstants.NULL_NAMESPACE, "policy"));
            OMAttribute inboundPolicyKey  = wsSec.getAttribute(
                    new QName(XMLConfigConstants.NULL_NAMESPACE, "inboundPolicy"));
            OMAttribute outboundPolicyKey = wsSec.getAttribute(
                    new QName(XMLConfigConstants.NULL_NAMESPACE, "outboundPolicy"));
           
            if (policyKey != null && policyKey.getAttributeValue() != null) {
                definition.setWsSecPolicyKey(policyKey.getAttributeValue());
            } else {
                if (inboundPolicyKey != null && inboundPolicyKey.getAttributeValue() != null) {
                    definition.setInboundWsSecPolicyKey(inboundPolicyKey.getAttributeValue());
                }
                if (outboundPolicyKey != null && outboundPolicyKey.getAttributeValue() != null) {
                    definition.setOutboundWsSecPolicyKey(outboundPolicyKey.getAttributeValue());
                }
            }
        }

        OMElement wsRm = elem.getFirstChildWithName(
                new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableRM"));
        if (wsRm != null) {

            definition.setReliableMessagingOn(true);

            OMAttribute policy
                    = wsRm.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "policy"));
            if (policy != null) {
                definition.setWsRMPolicyKey(policy.getAttributeValue());
            }
        }

        // set the timeout configuration
        OMElement timeout = elem.getFirstChildWithName(
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    public static LoadbalanceAlgorithm createLoadbalanceAlgorithm(OMElement loadbalanceElement, List endpoints) {

        //default algorithm is round robin
        LoadbalanceAlgorithm algorithm = new RoundRobin(endpoints);

        OMAttribute policyAttribute = loadbalanceElement.getAttribute(new QName(null,
                XMLConfigConstants.LOADBALANCE_POLICY));
        OMAttribute algoAttribute = loadbalanceElement.getAttribute(new QName(null,
                XMLConfigConstants.LOADBALANCE_ALGORITHM));

        if (policyAttribute != null && algoAttribute != null) {
            String msg = "You cannot specify both the 'policy' & 'algorithm' in the configuration. " +
                         "It is sufficient to provide only the 'algorithm'.";
            log.fatal(msg); // We cannot continue execution. Hence it is logged at fatal level
            throw new SynapseException(msg);
        }

        if (algoAttribute != null) {
            String algorithmStr = algoAttribute.getAttributeValue().trim();
            try {
                algorithm = (LoadbalanceAlgorithm) Class.forName(algorithmStr).newInstance();
                algorithm.setEndpoints(endpoints);
            } catch (Exception e) {
                String msg = "Cannot instantiate LoadbalanceAlgorithm implementation class " +
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    }

    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMElement element = factory.createOMElement(new QName("test"));
        OMAttribute att = element.addAttribute("test", "test", null);
        OMAttribute result = element.addAttribute(att);
        assertSame(result, att);
        assertSame(element, att.getOwner());
        Iterator it = element.getAllAttributes();
        assertTrue(it.hasNext());
        assertSame(att, it.next());
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    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMElement element1 = factory.createOMElement(new QName("test"));
        OMElement element2 = factory.createOMElement(new QName("test"));
        OMAttribute att1 = element1.addAttribute("test", "test", null);
        OMAttribute att2 = element2.addAttribute(att1);
        assertSame(element1, att1.getOwner());
        assertNotSame(att1, att2);
        assertSame(element2, att2.getOwner());
    }
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    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMElement element = factory.createOMElement("test", "urn:test", "");
        // Retrieve the namespace declaration generated by createOMElement
        OMNamespace ns = (OMNamespace)element.getAllDeclaredNamespaces().next();
        OMAttribute att = factory.createOMAttribute("test", null, "test");
        element.addAttribute(att);
        Iterator it = element.getAllDeclaredNamespaces();
        assertTrue(it.hasNext());
        assertEquals(ns, it.next());
        assertFalse(it.hasNext());
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    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMElement element = factory.createOMElement(new QName("test"));
        OMNamespace ns = factory.createOMNamespace("urn:ns", "p");
        OMAttribute att = factory.createOMAttribute("test", ns, "test");
        element.addAttribute(att);
        assertEquals(ns, element.findNamespace(ns.getNamespaceURI(), ns.getPrefix()));
        Iterator it = element.getAllDeclaredNamespaces();
        assertTrue(it.hasNext());
        assertEquals(ns, it.next());
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