Examples with SynapseException org.apache.synapse.SynapseException used on opensource projects

Example 66 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class ProxyService method buildAxisService.

/**
 * Build the underlying Axis2 service from the Proxy service definition
 *
 * @param synCfg  the Synapse configuration
 * @param axisCfg the Axis2 configuration
 * @return the Axis2 service for the Proxy
 */
public AxisService buildAxisService(SynapseConfiguration synCfg, AxisConfiguration axisCfg) {
    auditInfo("Building Axis service for Proxy service : " + name);
    if (pinnedServers != null && !pinnedServers.isEmpty()) {
        Parameter param = axisCfg.getParameter(SynapseConstants.SYNAPSE_ENV);
        if (param != null && param.getValue() instanceof SynapseEnvironment) {
            SynapseEnvironment synEnv = (SynapseEnvironment) param.getValue();
            String serverName = synEnv != null ? synEnv.getServerContextInformation().getServerConfigurationInformation().getServerName() : "localhost";
            if (!pinnedServers.contains(serverName)) {
                log.info("Server name " + serverName + " not in pinned servers list. " + "Not deploying Proxy service : " + name);
                return null;
            }
        }
    }
    // get the wsdlElement as an OMElement
    if (trace()) {
        trace.info("Loading the WSDL : " + (publishWSDLEndpoint != null ? " endpoint = " + publishWSDLEndpoint : (wsdlKey != null ? " key = " + wsdlKey : (wsdlURI != null ? " URI = " + wsdlURI : " <Inlined>"))));
    }
    InputStream wsdlInputStream = null;
    OMElement wsdlElement = null;
    boolean wsdlFound = false;
    String publishWSDL = null;
    SynapseEnvironment synEnv = SynapseConfigUtils.getSynapseEnvironment(axisCfg);
    String synapseHome = synEnv != null ? synEnv.getServerContextInformation().getServerConfigurationInformation().getSynapseHome() : "";
    if (wsdlKey != null) {
        synCfg.getEntryDefinition(wsdlKey);
        Object keyObject = synCfg.getEntry(wsdlKey);
        // start of fix for ESBJAVA-2641
        if (keyObject == null) {
            synCfg.removeEntry(wsdlKey);
        }
        // end of fix for ESBJAVA-2641
        if (keyObject instanceof OMElement) {
            wsdlElement = (OMElement) keyObject;
        }
        wsdlFound = true;
    } else if (inLineWSDL != null) {
        wsdlElement = (OMElement) inLineWSDL;
        wsdlFound = true;
    } else if (wsdlURI != null) {
        try {
            URL url = wsdlURI.toURL();
            publishWSDL = url.toString();
            OMNode node = SynapseConfigUtils.getOMElementFromURL(publishWSDL, synapseHome);
            if (node instanceof OMElement) {
                wsdlElement = (OMElement) node;
            }
            wsdlFound = true;
        } catch (MalformedURLException e) {
            handleException("Malformed URI for wsdl", e);
        } catch (IOException e) {
            // handleException("Error reading from wsdl URI", e);
            boolean enablePublishWSDLSafeMode = false;
            Map proxyParameters = this.getParameterMap();
            if (!proxyParameters.isEmpty()) {
                if (proxyParameters.containsKey("enablePublishWSDLSafeMode")) {
                    enablePublishWSDLSafeMode = Boolean.parseBoolean(proxyParameters.get("enablePublishWSDLSafeMode").toString().toLowerCase());
                } else {
                    if (trace()) {
                        trace.info("WSDL was unable to load for: " + publishWSDL);
                        trace.info("Please add <syn:parameter name=\"enableURISafeMode\">true" + "</syn:parameter> to proxy service.");
                    }
                    handleException("Error reading from wsdl URI", e);
                }
            }
            if (enablePublishWSDLSafeMode) {
                // !!!Need to add a reload function... And display that the wsdl/service is offline!!!
                if (trace()) {
                    trace.info("WSDL was unable to load for: " + publishWSDL);
                    trace.info("enableURISafeMode: true");
                }
                log.warn("Unable to load the WSDL for : " + name, e);
                return null;
            } else {
                if (trace()) {
                    trace.info("WSDL was unable to load for: " + publishWSDL);
                    trace.info("enableURISafeMode: false");
                }
                handleException("Error reading from wsdl URI", e);
            }
        }
    } else if (publishWSDLEndpoint != null) {
        try {
            URL url = null;
            Endpoint ep = synCfg.getEndpoint(publishWSDLEndpoint);
            if (ep == null) {
                handleException("Unable to resolve WSDL url. " + publishWSDLEndpoint + " is null");
            }
            if (ep instanceof AddressEndpoint) {
                url = new URL(((AddressEndpoint) (ep)).getDefinition().getAddress() + "?wsdl");
            } else if (ep instanceof WSDLEndpoint) {
                url = new URL(((WSDLEndpoint) (ep)).getWsdlURI());
            } else {
                handleException("Unable to resolve WSDL url. " + publishWSDLEndpoint + " is not a AddressEndpoint or WSDLEndpoint");
            }
            publishWSDL = url.toString();
            OMNode node = SynapseConfigUtils.getOMElementFromURL(publishWSDL, synapseHome);
            if (node instanceof OMElement) {
                wsdlElement = (OMElement) node;
            }
            wsdlFound = true;
        } catch (MalformedURLException e) {
            handleException("Malformed URI for wsdl", e);
        } catch (IOException e) {
            // handleException("Error reading from wsdl URI", e);
            boolean enablePublishWSDLSafeMode = false;
            Map proxyParameters = this.getParameterMap();
            if (!proxyParameters.isEmpty()) {
                if (proxyParameters.containsKey("enablePublishWSDLSafeMode")) {
                    enablePublishWSDLSafeMode = Boolean.parseBoolean(proxyParameters.get("enablePublishWSDLSafeMode").toString().toLowerCase());
                } else {
                    if (trace()) {
                        trace.info("WSDL was unable to load for: " + publishWSDL);
                        trace.info("Please add <syn:parameter name=\"enableURISafeMode\">true" + "</syn:parameter> to proxy service.");
                    }
                    handleException("Error reading from wsdl URI " + publishWSDL, e);
                }
            }
            if (enablePublishWSDLSafeMode) {
                // !!!Need to add a reload function... And display that the wsdl/service is offline!!!
                if (trace()) {
                    trace.info("WSDL was unable to load for: " + publishWSDL);
                    trace.info("enableURISafeMode: true");
                }
                log.warn("Unable to load the WSDL for : " + name, e);
                return null;
            } else {
                if (trace()) {
                    trace.info("WSDL was unable to load for: " + publishWSDL);
                    trace.info("enableURISafeMode: false");
                }
                handleException("Error reading from wsdl URI " + publishWSDL, e);
            }
        }
    } else {
        // our SynapseDispatcher will properly dispatch to
        if (trace())
            trace.info("Did not find a WSDL. Assuming a POX or Legacy service");
        axisService = new AxisService();
        AxisOperation mediateOperation = new InOutAxisOperation(SynapseConstants.SYNAPSE_OPERATION_NAME);
        // Set the names of the two messages so that Axis2 is able to produce a WSDL (see SYNAPSE-366):
        mediateOperation.getMessage(WSDLConstants.MESSAGE_LABEL_IN_VALUE).setName("in");
        mediateOperation.getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE).setName("out");
        axisService.addOperation(mediateOperation);
    }
    // if a WSDL was found
    if (wsdlElement != null) {
        OMNamespace wsdlNamespace = wsdlElement.getNamespace();
        // if preservePolicy is set to 'false', remove the security policy content of publish wsdl
        if (preservePolicy != null && preservePolicy.equals("false")) {
            if (org.apache.axis2.namespace.Constants.NS_URI_WSDL11.equals(wsdlNamespace.getNamespaceURI())) {
                removePolicyOfWSDL(wsdlElement);
            }
        }
        // serialize and create an input stream to read WSDL
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        try {
            if (trace())
                trace.info("Serializing wsdlElement found to build an Axis2 service");
            wsdlElement.serialize(baos);
            wsdlInputStream = new ByteArrayInputStream(baos.toByteArray());
        } catch (XMLStreamException e) {
            handleException("Error converting to a StreamSource", e);
        }
        if (wsdlInputStream != null) {
            try {
                // detect version of the WSDL 1.1 or 2.0
                if (trace())
                    trace.info("WSDL Namespace is : " + wsdlNamespace.getNamespaceURI());
                if (wsdlNamespace != null) {
                    WSDLToAxisServiceBuilder wsdlToAxisServiceBuilder = null;
                    if (WSDL2Constants.WSDL_NAMESPACE.equals(wsdlNamespace.getNamespaceURI())) {
                        wsdlToAxisServiceBuilder = new WSDL20ToAxisServiceBuilder(wsdlInputStream, null, null);
                    } else if (org.apache.axis2.namespace.Constants.NS_URI_WSDL11.equals(wsdlNamespace.getNamespaceURI())) {
                        wsdlToAxisServiceBuilder = new WSDL11ToAxisServiceBuilder(wsdlInputStream);
                    } else {
                        handleException("Unknown WSDL format.. not WSDL 1.1 or WSDL 2.0");
                    }
                    if (wsdlToAxisServiceBuilder == null) {
                        throw new SynapseException("Could not get the WSDL to Axis Service Builder");
                    }
                    wsdlToAxisServiceBuilder.setBaseUri(wsdlURI != null ? wsdlURI.toString() : synapseHome);
                    if (trace()) {
                        trace.info("Setting up custom resolvers");
                    }
                    // load the UserDefined WSDLResolver and SchemaURIResolver implementations
                    if (synCfg.getProperty(SynapseConstants.SYNAPSE_WSDL_RESOLVER) != null && synCfg.getProperty(SynapseConstants.SYNAPSE_SCHEMA_RESOLVER) != null) {
                        setUserDefinedResourceResolvers(synCfg, wsdlInputStream, wsdlToAxisServiceBuilder);
                    } else {
                        if (resourceMap != null) {
                            // if the resource map is available use it
                            wsdlToAxisServiceBuilder.setCustomResolver(new CustomXmlSchemaURIResolver(resourceMap, synCfg));
                            // Axis 2 also needs a WSDLLocator for WSDL 1.1 documents
                            if (wsdlToAxisServiceBuilder instanceof WSDL11ToAxisServiceBuilder) {
                                ((WSDL11ToAxisServiceBuilder) wsdlToAxisServiceBuilder).setCustomWSDLResolver(new CustomWSDLLocator(new InputSource(wsdlInputStream), wsdlURI != null ? wsdlURI.toString() : "", resourceMap, synCfg));
                            }
                        } else {
                            // if the resource map isn't available ,
                            // then each import URIs will be resolved using base URI
                            wsdlToAxisServiceBuilder.setCustomResolver(new CustomXmlSchemaURIResolver());
                            // Axis 2 also needs a WSDLLocator for WSDL 1.1 documents
                            if (wsdlToAxisServiceBuilder instanceof WSDL11ToAxisServiceBuilder) {
                                ((WSDL11ToAxisServiceBuilder) wsdlToAxisServiceBuilder).setCustomWSDLResolver(new CustomWSDLLocator(new InputSource(wsdlInputStream), wsdlURI != null ? wsdlURI.toString() : ""));
                            }
                        }
                    }
                    if (trace()) {
                        trace.info("Populating Axis2 service using WSDL");
                        if (trace.isTraceEnabled()) {
                            trace.trace("WSDL : " + wsdlElement.toString());
                        }
                    }
                    axisService = wsdlToAxisServiceBuilder.populateService();
                    // this is to clear the bindings and ports already in the WSDL so that the
                    // service will generate the bindings on calling the printWSDL otherwise
                    // the WSDL which will be shown is same as the original WSDL except for the
                    // service name
                    axisService.getEndpoints().clear();
                } else {
                    handleException("Unknown WSDL format.. not WSDL 1.1 or WSDL 2.0");
                }
            } catch (AxisFault af) {
                handleException("Error building service from WSDL", af);
            } catch (IOException ioe) {
                handleException("Error reading WSDL", ioe);
            }
        }
    } else if (wsdlFound) {
        handleException("Couldn't build the proxy service : " + name + ". Unable to locate the specified WSDL to build the service");
    }
    // default Service destination
    if (axisService == null) {
        throw new SynapseException("Could not create a proxy service");
    }
    axisService.setName(name);
    if (description != null) {
        axisService.setDocumentation(description);
    }
    // Setting file path for axis2 service
    if (filePath != null) {
        axisService.setFileName(filePath);
    }
    // destination
    if (transports == null || transports.size() == 0) {
    // default to all transports using service name as destination
    } else {
        if (trace())
            trace.info("Exposing transports : " + transports);
        axisService.setExposedTransports(transports);
    }
    // process parameters
    if (trace() && parameters.size() > 0) {
        trace.info("Setting service parameters : " + parameters);
    }
    for (Object o : parameters.keySet()) {
        String name = (String) o;
        Object value = parameters.get(name);
        Parameter p = new Parameter();
        p.setName(name);
        p.setValue(value);
        try {
            axisService.addParameter(p);
        } catch (AxisFault af) {
            handleException("Error setting parameter : " + name + "" + "to proxy service as a Parameter", af);
        }
    }
    if (JavaUtils.isTrueExplicitly(axisService.getParameterValue(ABSOLUTE_SCHEMA_URL_PARAM))) {
        axisService.setCustomSchemaNamePrefix("");
    }
    if (JavaUtils.isTrueExplicitly(axisService.getParameterValue(ABSOLUTE_PROXY_SCHEMA_URL_PARAM))) {
        axisService.setCustomSchemaNamePrefix("fullschemaurl");
    }
    if (JavaUtils.isTrueExplicitly(axisService.getParameterValue("disableOperationValidation"))) {
        try {
            AxisOperation defaultOp = processOperationValidation(axisService);
        // proxyServiceGroup.setParent(axisCfg);
        } catch (AxisFault axisFault) {
        // ignore
        }
    }
    boolean isNoSecPolicy = false;
    if (!policies.isEmpty()) {
        for (PolicyInfo pi : policies) {
            Policy policy = getPolicyFromKey(pi.getPolicyKey(), synCfg);
            if (policy == null) {
                handleException("Cannot find Policy from the key");
            }
            if (NO_SECURITY_POLICY.equals(policy.getId())) {
                isNoSecPolicy = true;
                log.info("NoSecurity Policy found, skipping policy attachment");
                continue;
            }
            if (pi.isServicePolicy()) {
                axisService.getPolicySubject().attachPolicy(policy);
            } else if (pi.isOperationPolicy()) {
                AxisOperation op = axisService.getOperation(pi.getOperation());
                if (op != null) {
                    op.getPolicySubject().attachPolicy(policy);
                } else {
                    handleException("Couldn't find the operation specified " + "by the QName : " + pi.getOperation());
                }
            } else if (pi.isMessagePolicy()) {
                if (pi.getOperation() != null) {
                    AxisOperation op = axisService.getOperation(pi.getOperation());
                    if (op != null) {
                        op.getMessage(pi.getMessageLable()).getPolicySubject().attachPolicy(policy);
                    } else {
                        handleException("Couldn't find the operation " + "specified by the QName : " + pi.getOperation());
                    }
                } else {
                    // operation is not specified and hence apply to all the applicable messages
                    for (Iterator itr = axisService.getOperations(); itr.hasNext(); ) {
                        Object obj = itr.next();
                        if (obj instanceof AxisOperation) {
                            // check whether the policy is applicable
                            if (!((obj instanceof OutOnlyAxisOperation && pi.getType() == PolicyInfo.MESSAGE_TYPE_IN) || (obj instanceof InOnlyAxisOperation && pi.getType() == PolicyInfo.MESSAGE_TYPE_OUT))) {
                                AxisMessage message = ((AxisOperation) obj).getMessage(pi.getMessageLable());
                                message.getPolicySubject().attachPolicy(policy);
                            }
                        }
                    }
                }
            } else {
                handleException("Undefined Policy type");
            }
        }
    }
    // create a custom message receiver for this proxy service
    ProxyServiceMessageReceiver msgRcvr = new ProxyServiceMessageReceiver();
    msgRcvr.setName(name);
    msgRcvr.setProxy(this);
    Iterator iter = axisService.getOperations();
    while (iter.hasNext()) {
        AxisOperation op = (AxisOperation) iter.next();
        op.setMessageReceiver(msgRcvr);
    }
    try {
        axisService.addParameter(SynapseConstants.SERVICE_TYPE_PARAM_NAME, SynapseConstants.PROXY_SERVICE_TYPE);
        if (serviceGroup == null) {
            auditInfo("Adding service " + name + " to the Axis2 configuration");
            axisCfg.addService(axisService);
        } else {
            auditInfo("Adding service " + name + " to the service group " + serviceGroup);
            if (axisCfg.getServiceGroup(serviceGroup) == null) {
                // If the specified group does not exist we should create it
                AxisServiceGroup proxyServiceGroup = new AxisServiceGroup();
                proxyServiceGroup.setServiceGroupName(serviceGroup);
                proxyServiceGroup.setParent(axisCfg);
                // Add  the service to the new group and add the group the AxisConfiguration
                proxyServiceGroup.addService(axisService);
                axisCfg.addServiceGroup(proxyServiceGroup);
            } else {
                // Simply add the service to the existing group
                axisService.setParent(axisCfg.getServiceGroup(serviceGroup));
                axisCfg.addServiceToExistingServiceGroup(axisService, serviceGroup);
            }
        }
        this.setRunning(true);
    } catch (AxisFault axisFault) {
        try {
            if (axisCfg.getService(axisService.getName()) != null) {
                if (trace())
                    trace.info("Removing service " + name + " due to error : " + axisFault.getMessage());
                axisCfg.removeService(axisService.getName());
            }
        } catch (AxisFault ignore) {
        }
        handleException("Error adding Proxy service to the Axis2 engine", axisFault);
    }
    // should Addressing be engaged on this service?
    if (wsAddrEnabled) {
        auditInfo("WS-Addressing is enabled for service : " + name);
        try {
            axisService.engageModule(axisCfg.getModule(SynapseConstants.ADDRESSING_MODULE_NAME), axisCfg);
        } catch (AxisFault axisFault) {
            handleException("Error loading WS Addressing module on proxy service : " + name, axisFault);
        }
    }
    // should Security be engaged on this service?
    boolean secModuleEngaged = false;
    if (wsSecEnabled && !isNoSecPolicy) {
        auditInfo("WS-Security is enabled for service : " + name);
        try {
            axisService.engageModule(axisCfg.getModule(SynapseConstants.SECURITY_MODULE_NAME), axisCfg);
            secModuleEngaged = true;
        } catch (AxisFault axisFault) {
            handleException("Error loading WS Sec module on proxy service : " + name, axisFault);
        }
    } else if (isNoSecPolicy) {
        log.info("NoSecurity Policy found, skipping rampart engagement");
    }
    moduleEngaged = secModuleEngaged || wsAddrEnabled;
    wsdlPublished = wsdlFound;
    // Engaging Axis2 modules
    Object engaged_modules = parameters.get(ENGAGED_MODULES);
    if (engaged_modules != null) {
        String[] moduleNames = getModuleNames((String) engaged_modules);
        if (moduleNames != null) {
            for (String moduleName : moduleNames) {
                try {
                    AxisModule axisModule = axisCfg.getModule(moduleName);
                    if (axisModule != null) {
                        axisService.engageModule(axisModule, axisCfg);
                        moduleEngaged = true;
                    }
                } catch (AxisFault axisFault) {
                    handleException("Error loading " + moduleName + " module on proxy service : " + name, axisFault);
                }
            }
        }
    }
    auditInfo("Successfully created the Axis2 service for Proxy service : " + name);
    return axisService;
}

Example 67 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class RecipientListEndpointFactory method createEndpoint.

@Override
protected Endpoint createEndpoint(OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
    OMElement recipientListElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "recipientlist"));
    if (recipientListElement != null) {
        // create endpoint
        RecipientListEndpoint recipientListEndpoint = new RecipientListEndpoint();
        // set endpoint name
        OMAttribute name = epConfig.getAttribute(new QName(org.apache.synapse.config.xml.XMLConfigConstants.NULL_NAMESPACE, "name"));
        if (name != null) {
            recipientListEndpoint.setName(name.getAttributeValue());
        }
        // set endpoints or members
        if (recipientListElement.getFirstChildWithName(XMLConfigConstants.ENDPOINT_ELT) != null) {
            if (recipientListElement.getChildrenWithName((MEMBER)).hasNext()) {
                String msg = "Invalid Synapse configuration. " + "child elements";
                log.error(msg);
                throw new SynapseException(msg);
            }
            List<Endpoint> endpoints = getEndpoints(recipientListElement, recipientListEndpoint, properties);
            recipientListEndpoint.setChildren(endpoints);
        } else if (recipientListElement.getFirstChildWithName(MEMBER) != null) {
            if (recipientListElement.getChildrenWithName((XMLConfigConstants.ENDPOINT_ELT)).hasNext()) {
                String msg = "Invalid Synapse configuration. " + "recipientListElement element cannot have both member & endpoint " + "child elements";
                log.error(msg);
                throw new SynapseException(msg);
            }
            List<Member> members = getMembers(recipientListElement);
            recipientListEndpoint.setMembers(members);
        } else if (recipientListElement.getFirstChildWithName(DYNAMIC_SET) != null) {
            OMElement dynamicSetElement = recipientListElement.getFirstChildWithName(DYNAMIC_SET);
            Value dynamicEndpointSet = new ValueFactory().createValue("value", dynamicSetElement);
            String maxStr = dynamicSetElement.getAttributeValue(new QName("max-cache"));
            int maxCache = -1;
            try {
                maxCache = Integer.parseInt(maxStr);
            } catch (NumberFormatException e) {
            }
            recipientListEndpoint = new RecipientListEndpoint(maxCache < 0 ? RecipientListEndpoint.DEFAULT_MAX_POOL : maxCache);
            if (name != null) {
                recipientListEndpoint.setName(name.getAttributeValue());
            }
            recipientListEndpoint.setDynamicEnpointSet(dynamicEndpointSet);
        }
        if (recipientListEndpoint.getChildren() == null && recipientListEndpoint.getMembers() == null && recipientListEndpoint.getDynamicEnpointSet() == null) {
            String msg = "Invalid Synapse configuration.\n" + "A RecipientListEndpoint must have child/member elements, but the RecipientListEndpoint " + "'" + recipientListEndpoint.getName() + "' does not have any child/member/dynamic endpoint elements.";
            log.error(msg);
            throw new SynapseException(msg);
        }
        // process the parameters
        processProperties(recipientListEndpoint, epConfig);
        return recipientListEndpoint;
    }
    return null;
}

Example 68 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class FailoverEndpointFactory method createEndpoint.

protected Endpoint createEndpoint(OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
    OMElement failoverElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "failover"));
    if (failoverElement != null) {
        FailoverEndpoint failoverEndpoint = new FailoverEndpoint();
        // set endpoint name
        String name = epConfig.getAttributeValue(new QName("name"));
        if (name != null) {
            failoverEndpoint.setName(name);
        }
        List<Endpoint> childEndpoints = getEndpoints(failoverElement, failoverEndpoint, properties);
        if (childEndpoints == null || childEndpoints.size() == 0) {
            String msg = "Invalid Synapse configuration.\n" + "A FailOver must have child elements, but the FailOver " + "'" + failoverEndpoint.getName() + "' does not have any child elements.";
            log.error(msg);
            throw new SynapseException(msg);
        }
        // set endpoints and return
        failoverEndpoint.setChildren(getEndpoints(failoverElement, failoverEndpoint, properties));
        String dynamicFO = failoverElement.getAttributeValue(new QName("dynamic"));
        if (dynamicFO != null && JavaUtils.isFalseExplicitly(dynamicFO)) {
            failoverEndpoint.setDynamic(false);
        }
        // set buildMassage property
        String buildMessageAtt = failoverElement.getAttributeValue(new QName(XMLConfigConstants.BUILD_MESSAGE));
        if (buildMessageAtt != null) {
            failoverEndpoint.setBuildMessageAttAvailable(true);
            if (JavaUtils.isTrueExplicitly(buildMessageAtt)) {
                failoverEndpoint.setBuildMessageAtt(true);
            }
        }
        // process the parameters
        processProperties(failoverEndpoint, epConfig);
        return failoverEndpoint;
    }
    return null;
}

Example 69 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class LoadbalanceEndpointFactory method createEndpoint.

protected Endpoint createEndpoint(OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
    // create the endpoint, manager and the algorithms
    OMElement loadbalanceElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "loadbalance"));
    if (loadbalanceElement != null) {
        LoadbalanceEndpoint loadbalanceEndpoint = new LoadbalanceEndpoint();
        // set endpoint name
        OMAttribute name = epConfig.getAttribute(new QName(org.apache.synapse.config.xml.XMLConfigConstants.NULL_NAMESPACE, "name"));
        if (name != null) {
            loadbalanceEndpoint.setName(name.getAttributeValue());
        }
        LoadbalanceAlgorithm algorithm = null;
        // set endpoints or members
        if (loadbalanceElement.getFirstChildWithName(XMLConfigConstants.ENDPOINT_ELT) != null) {
            if (loadbalanceElement.getChildrenWithName((MEMBER)).hasNext()) {
                String msg = "Invalid Synapse configuration. " + "child elements";
                log.error(msg);
                throw new SynapseException(msg);
            }
            List<Endpoint> endpoints = getEndpoints(loadbalanceElement, loadbalanceEndpoint, properties);
            loadbalanceEndpoint.setChildren(endpoints);
            algorithm = LoadbalanceAlgorithmFactory.createLoadbalanceAlgorithm(loadbalanceElement, endpoints);
            algorithm.setLoadBalanceEndpoint(loadbalanceEndpoint);
        } else if (loadbalanceElement.getFirstChildWithName(MEMBER) != null) {
            if (loadbalanceElement.getChildrenWithName((XMLConfigConstants.ENDPOINT_ELT)).hasNext()) {
                String msg = "Invalid Synapse configuration. " + "loadbalanceEndpoint element cannot have both member & endpoint " + "child elements";
                log.error(msg);
                throw new SynapseException(msg);
            }
            List<Member> members = getMembers(loadbalanceElement);
            loadbalanceEndpoint.setMembers(members);
            algorithm = LoadbalanceAlgorithmFactory.createLoadbalanceAlgorithm2(loadbalanceElement, members);
            loadbalanceEndpoint.startApplicationMembershipTimer();
        }
        if (loadbalanceEndpoint.getChildren() == null && loadbalanceEndpoint.getMembers() == null) {
            String msg = "Invalid Synapse configuration.\n" + "A LoadbalanceEndpoint must have child elements, but the LoadbalanceEndpoint " + "'" + loadbalanceEndpoint.getName() + "' does not have any child elements.";
            log.error(msg);
            throw new SynapseException(msg);
        }
        // set load balance algorithm
        loadbalanceEndpoint.setAlgorithm(algorithm);
        // set if failover is turned off
        String failover = loadbalanceElement.getAttributeValue(new QName("failover"));
        if (failover != null && failover.equalsIgnoreCase("false")) {
            loadbalanceEndpoint.setFailover(false);
        }
        // set buildMessage attribute
        String buildMessageAtt = loadbalanceElement.getAttributeValue(new QName(XMLConfigConstants.BUILD_MESSAGE));
        if (buildMessageAtt != null) {
            loadbalanceEndpoint.setBuildMessageAttAvailable(true);
            if (JavaUtils.isTrueExplicitly(buildMessageAtt)) {
                loadbalanceEndpoint.setBuildMessageAtt(true);
            }
        }
        // process the parameters
        processProperties(loadbalanceEndpoint, epConfig);
        return loadbalanceEndpoint;
    }
    // ToDo
    return null;
}

Example 70 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class AnonymousServiceFactory method getCallbackReceiver.

/**
 * Create a single callback receiver if required, and return its reference
 * @param synCfg the Synapse configuration
 * @param axisCfg axis configuration
 * @return the callback receiver thats created or now exists
 */
private static synchronized SynapseCallbackReceiver getCallbackReceiver(SynapseConfiguration synCfg, AxisConfiguration axisCfg) {
    if (synapseCallbackReceiver == null) {
        Parameter serverCtxParam = axisCfg.getParameter(SynapseConstants.SYNAPSE_SERVER_CTX_INFO);
        if (serverCtxParam == null || !(serverCtxParam.getValue() instanceof ServerContextInformation)) {
            String msg = "ServerContextInformation not found";
            log.error(msg);
            throw new SynapseException(msg);
        }
        ServerContextInformation contextInformation = (ServerContextInformation) serverCtxParam.getValue();
        synapseCallbackReceiver = new SynapseCallbackReceiver(synCfg, contextInformation);
        contextInformation.setSynapseCallbackReceiver(synapseCallbackReceiver);
    }
    return synapseCallbackReceiver;
}