Examples with OMAttribute org.apache.axiom.om.OMAttribute used on opensource projects

Example 56 with OMAttribute

use of org.apache.axiom.om.OMAttribute in project wso2-synapse by wso2.

the class DynamicLoadbalanceEndpointFactory method createEndpoint.

protected Endpoint createEndpoint(OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
    OMElement loadbalanceElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "dynamicLoadbalance"));
    if (loadbalanceElement != null) {
        DynamicLoadbalanceEndpoint loadbalanceEndpoint = new DynamicLoadbalanceEndpoint();
        // set endpoint name
        OMAttribute name = epConfig.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "name"));
        if (name != null) {
            loadbalanceEndpoint.setName(name.getAttributeValue());
        }
        // get the session for this endpoint
        OMElement sessionElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "session"));
        if (sessionElement != null) {
            OMElement sessionTimeout = sessionElement.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "sessionTimeout"));
            if (sessionTimeout != null) {
                try {
                    loadbalanceEndpoint.setSessionTimeout(Long.parseLong(sessionTimeout.getText().trim()));
                } catch (NumberFormatException nfe) {
                    handleException("Invalid session timeout value : " + sessionTimeout.getText());
                }
            }
            String type = sessionElement.getAttributeValue(new QName("type"));
            if (type.equalsIgnoreCase("soap")) {
                Dispatcher soapDispatcher = new SoapSessionDispatcher();
                loadbalanceEndpoint.setDispatcher(soapDispatcher);
            } else if (type.equalsIgnoreCase("http")) {
                Dispatcher httpDispatcher = new HttpSessionDispatcher();
                loadbalanceEndpoint.setDispatcher(httpDispatcher);
            }
            loadbalanceEndpoint.setSessionAffinity(true);
        }
        // set if failover is turned off
        String failover = loadbalanceElement.getAttributeValue(new QName("failover"));
        if (failover != null && failover.equalsIgnoreCase("false")) {
            loadbalanceEndpoint.setFailover(false);
        } else {
            loadbalanceEndpoint.setFailover(true);
        }
        OMElement eventHandler = loadbalanceElement.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "membershipHandler"));
        if (eventHandler != null) {
            String clazz = eventHandler.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "class")).trim();
            try {
                LoadBalanceMembershipHandler lbMembershipHandler = (LoadBalanceMembershipHandler) Class.forName(clazz).newInstance();
                Properties lbProperties = new Properties();
                for (Iterator props = eventHandler.getChildrenWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "property")); props.hasNext(); ) {
                    OMElement prop = (OMElement) props.next();
                    String propName = prop.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "name")).trim();
                    String propValue = prop.getAttributeValue(new QName(XMLConfigConstants.NULL_NAMESPACE, "value")).trim();
                    lbProperties.put(propName, propValue);
                }
                // Set load balance algorithm
                LoadbalanceAlgorithm algorithm = LoadbalanceAlgorithmFactory.createLoadbalanceAlgorithm(loadbalanceElement, null);
                lbMembershipHandler.init(lbProperties, algorithm);
                loadbalanceEndpoint.setLoadBalanceMembershipHandler(lbMembershipHandler);
            } catch (Exception e) {
                String msg = "Could not instantiate " + "LoadBalanceMembershipHandler implementation " + clazz;
                log.error(msg, e);
                throw new SynapseException(msg, e);
            }
        }
        processProperties(loadbalanceEndpoint, epConfig);
        return loadbalanceEndpoint;
    }
    return null;
}

Example 57 with OMAttribute

use of org.apache.axiom.om.OMAttribute in project wso2-synapse by wso2.

the class POJOCommandMediatorFactory method handlePropertyAction.

private void handlePropertyAction(String name, OMElement propElem, POJOCommandMediator m) {
    OMAttribute valueAttr = propElem.getAttribute(ATT_VALUE);
    OMAttribute exprAttr = propElem.getAttribute(ATT_EXPRN);
    OMAttribute ctxNameAttr = propElem.getAttribute(ATT_CTXNAME);
    OMAttribute actionAttr = propElem.getAttribute(ATT_ACTION);
    SynapseXPath xpath = null;
    try {
        if (exprAttr != null) {
            xpath = SynapseXPathFactory.getSynapseXPath(propElem, ATT_EXPRN);
        }
    } catch (JaxenException e) {
        handleException("Error in building the expression as an SynapseXPath" + e);
    }
    // if there is a value attribute there is no action (action is implied as read value)
    if (valueAttr != null) {
        String value = valueAttr.getAttributeValue();
        // all other three attributes can not co-exists
        if (exprAttr != null && ctxNameAttr != null) {
            handleException("Command properties can not contain all three 'value', " + "'expression' and 'context-name' attributes. Only one or " + "combination of two can be there.");
        } else {
            m.addStaticSetterProperty(name, value);
            if (exprAttr != null) {
                // action ==> ReadValueAndUpdateMesssage
                m.addMessageGetterProperty(name, xpath);
            } else if (ctxNameAttr != null) {
                // action ==> ReadValueAndUpdateContext
                m.addContextGetterProperty(name, ctxNameAttr.getAttributeValue());
            }
        // else the action ==> ReadValue
        }
    } else if (propElem.getFirstElement() != null) {
        // all other two attributes can not co-exists
        if (exprAttr != null && ctxNameAttr != null) {
            handleException("Command properties can not contain all the " + "'expression' and 'context-name' attributes with a child. Only one " + "attribute of those can co-exists with a child");
        } else {
            m.addStaticSetterProperty(name, propElem.getFirstElement());
            if (exprAttr != null) {
                // action ==> ReadValueAndUpdateMesssage
                m.addMessageGetterProperty(name, xpath);
            } else if (ctxNameAttr != null) {
                // action ==> ReadValueAndUpdateContext
                m.addContextGetterProperty(name, ctxNameAttr.getAttributeValue());
            }
        // else the action ==> ReadValue
        }
    } else {
        // if both context-name and expression is there
        if (exprAttr != null && ctxNameAttr != null) {
            if (actionAttr != null && actionAttr.getAttributeValue() != null) {
                String action = actionAttr.getAttributeValue();
                if (RM_ACTION.equals(action) || UC_ACTION.equals(action)) {
                    // action ==> ReadMessageAndUpdateContext
                    m.addMessageSetterProperty(name, xpath);
                    m.addContextGetterProperty(name, ctxNameAttr.getAttributeValue());
                } else if (RC_ACTION.equals(action) || UM_ACTION.equals(action)) {
                    // action ==> ReadContextAndUpdateMessage
                    m.addContextSetterProperty(name, ctxNameAttr.getAttributeValue());
                    m.addMessageGetterProperty(name, xpath);
                } else {
                    handleException("Invalid action for " + "the command property with the name " + name);
                }
            } else {
                handleException("Action attribute " + "is required for the command property with name " + name);
            }
        } else {
            // only one of expression or context-name is present
            if (actionAttr != null && actionAttr.getAttributeValue() != null) {
                String action = actionAttr.getAttributeValue();
                if (exprAttr != null) {
                    if (RM_ACTION.equals(action)) {
                        // action ==> ReadMessage
                        m.addMessageSetterProperty(name, xpath);
                    } else if (UM_ACTION.equals(action)) {
                        // action ==> UpdateMessage
                        m.addMessageGetterProperty(name, xpath);
                    } else if (RAUM_ACTION.equals(action)) {
                        // action ==> ReadAndUpdateMessage
                        m.addMessageSetterProperty(name, xpath);
                        m.addMessageGetterProperty(name, xpath);
                    } else {
                        handleException("Invalid action for " + "the command property with the name " + name);
                    }
                } else if (ctxNameAttr != null) {
                    String ctxName = ctxNameAttr.getAttributeValue();
                    if (RC_ACTION.equals(action)) {
                        // action ==> ReadContext
                        m.addContextSetterProperty(name, ctxName);
                    } else if (UC_ACTION.equals(action)) {
                        // action ==> UpdateContext
                        m.addContextGetterProperty(name, ctxName);
                    } else if (RAUC_ACTION.equals(action)) {
                        // action ==> ReadAndUpdateContext
                        m.addContextSetterProperty(name, ctxName);
                        m.addContextGetterProperty(name, ctxName);
                    } else {
                        handleException("Invalid action for " + "the command property with the name " + name);
                    }
                } else {
                    handleException("Unrecognized command property with the name " + name);
                }
            } else {
                // action ==> ReadAndUpdateMessage/Context
                if (exprAttr != null) {
                    m.addMessageSetterProperty(name, xpath);
                    m.addMessageGetterProperty(name, xpath);
                } else if (ctxNameAttr != null) {
                    String ctxName = ctxNameAttr.getAttributeValue();
                    m.addContextSetterProperty(name, ctxName);
                    m.addContextGetterProperty(name, ctxName);
                } else {
                    handleException("Unrecognized command property with the name " + name);
                }
            }
        }
    }
}

Example 58 with OMAttribute

use of org.apache.axiom.om.OMAttribute in project wso2-synapse by wso2.

the class ValidateMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    ValidateMediator validateMediator = new ValidateMediator();
    // process schema element definitions and create DynamicProperties
    List<Value> schemaKeys = new ArrayList<Value>();
    Iterator schemas = elem.getChildrenWithName(SCHEMA_Q);
    while (schemas.hasNext()) {
        Object o = schemas.next();
        if (o instanceof OMElement) {
            OMElement omElem = (OMElement) o;
            OMAttribute keyAtt = omElem.getAttribute(ATT_KEY);
            if (keyAtt != null) {
                // ValueFactory for creating dynamic or static Value
                ValueFactory keyFac = new ValueFactory();
                // create dynamic or static key based on OMElement
                Value generatedKey = keyFac.createValue(XMLConfigConstants.KEY, omElem);
                schemaKeys.add(generatedKey);
            } else {
                handleException("A 'schema' definition must contain a local property 'key'");
            }
        } else {
            handleException("Invalid 'schema' declaration for validate mediator");
        }
    }
    if (schemaKeys.size() == 0) {
        handleException("No schema specified for the validate mediator");
    } else {
        validateMediator.setSchemaKeys(schemaKeys);
    }
    // process source XPath attribute if present
    OMAttribute attSource = elem.getAttribute(ATT_SOURCE);
    if (attSource != null) {
        try {
            if (attSource.getAttributeValue() != null) {
                validateMediator.setSource(SynapsePathFactory.getSynapsePath(elem, ATT_SOURCE));
            }
        } catch (JaxenException e) {
            handleException("Invalid XPath expression specified for attribute 'source'", e);
        }
    }
    // process schema cacheability.
    OMAttribute attSchemaCache = elem.getAttribute(ATT_CACHE_SCHEMA);
    if (attSchemaCache != null) {
        final boolean cacheSchema = Boolean.parseBoolean(attSchemaCache.getAttributeValue());
        if (log.isDebugEnabled()) {
            log.debug("Schema cached: " + cacheSchema);
        }
        validateMediator.setCacheSchema(cacheSchema);
    }
    // process external schema resources
    validateMediator.setResourceMap(ResourceMapFactory.createResourceMap(elem));
    // process on-fail
    OMElement onFail = null;
    Iterator iterator = elem.getChildrenWithName(ON_FAIL_Q);
    if (iterator.hasNext()) {
        onFail = (OMElement) iterator.next();
    }
    if (onFail != null && onFail.getChildElements().hasNext()) {
        addChildren(onFail, validateMediator, properties);
    } else {
        handleException("A non-empty <on-fail> child element is required for " + "the <validate> mediator");
    }
    // after successfully creating the mediator
    // set its common attributes such as tracing etc
    processAuditStatus(validateMediator, elem);
    // set the features
    for (Map.Entry<String, String> entry : collectNameValuePairs(elem, FEATURE_Q).entrySet()) {
        String value = entry.getValue();
        boolean isFeatureEnabled;
        if ("true".equals(value)) {
            isFeatureEnabled = true;
        } else if ("false".equals(value)) {
            isFeatureEnabled = false;
        } else {
            handleException("The feature must have value true or false");
            break;
        }
        try {
            validateMediator.addFeature(entry.getKey(), isFeatureEnabled);
        } catch (SAXException e) {
            handleException("Error setting validation feature : " + entry.getKey() + " to : " + value, e);
        }
    }
    addAllCommentChildrenToMediator(elem, validateMediator);
    return validateMediator;
}

Example 59 with OMAttribute

use of org.apache.axiom.om.OMAttribute in project wso2-synapse by wso2.

the class XSLTMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    XSLTMediator transformMediator = new XSLTMediator();
    OMAttribute attXslt = elem.getAttribute(ATT_KEY);
    OMAttribute attSource = elem.getAttribute(ATT_SOURCE);
    OMAttribute attTarget = elem.getAttribute(ATT_TARGET);
    OMAttribute attUseCache = elem.getAttribute(ATT_USECACHE);
    if (attXslt != null) {
        // ValueFactory for creating dynamic or static Value
        ValueFactory keyFac = new ValueFactory();
        // create dynamic or static key based on OMElement
        Value generatedKey = keyFac.createValue(XMLConfigConstants.KEY, elem);
        // set generated key as the Value
        transformMediator.setXsltKey(generatedKey);
    } else {
        handleException("The '" + XMLConfigConstants.KEY + "' " + "attribute is required for the XSLT mediator");
    }
    if (attSource != null) {
        try {
            transformMediator.setSourceXPathString(attSource.getAttributeValue());
            transformMediator.setSource(SynapseXPathFactory.getSynapseXPath(elem, ATT_SOURCE));
        } catch (JaxenException e) {
            handleException("Invalid XPath specified for the source attribute : " + attSource.getAttributeValue());
        }
    }
    if (attTarget != null) {
        transformMediator.setTargetPropertyName(attTarget.getAttributeValue());
    }
    if (attUseCache != null) {
        transformMediator.setUseCache(Boolean.parseBoolean(attUseCache.getAttributeValue()));
    }
    // after successfully creating the mediator
    // set its common attributes such as tracing etc
    processAuditStatus(transformMediator, elem);
    // set the features
    for (Map.Entry<String, String> entry : collectNameValuePairs(elem, FEATURE_Q).entrySet()) {
        String value = entry.getValue();
        boolean isFeatureEnabled;
        if ("true".equals(value)) {
            isFeatureEnabled = true;
        } else if ("false".equals(value)) {
            isFeatureEnabled = false;
        } else {
            handleException("The feature must have value true or false");
            break;
        }
        transformMediator.addFeature(entry.getKey(), isFeatureEnabled);
    }
    for (Map.Entry<String, String> entry : collectNameValuePairs(elem, ATTRIBUTE_Q).entrySet()) {
        transformMediator.addAttribute(entry.getKey(), entry.getValue());
    }
    transformMediator.addAllProperties(MediatorPropertyFactory.getMediatorProperties(elem));
    transformMediator.setResourceMap(ResourceMapFactory.createResourceMap(elem));
    return transformMediator;
}

Example 60 with OMAttribute

use of org.apache.axiom.om.OMAttribute in project wso2-synapse by wso2.

the class RegistryFactory method getProperties.

private static Properties getProperties(OMElement elem, Properties topLevelProps) {
    Iterator params = elem.getChildrenWithName(PARAMETER_Q);
    Properties props = new Properties(topLevelProps);
    while (params.hasNext()) {
        Object o = params.next();
        if (o instanceof OMElement) {
            OMElement prop = (OMElement) o;
            OMAttribute pname = prop.getAttribute(NAME_Q);
            String propertyValue = prop.getText();
            if (pname != null) {
                if (propertyValue != null) {
                    props.setProperty(pname.getAttributeValue(), propertyValue.trim());
                }
            } else {
                handleException("Invalid registry property - property should have a name ");
            }
        } else {
            handleException("Invalid registry property");
        }
    }
    return props;
}