| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.synapse.config.xml; |
| |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axis2.util.JavaUtils; |
| import org.apache.synapse.Mediator; |
| import org.apache.synapse.commons.evaluators.Evaluator; |
| import org.apache.synapse.commons.evaluators.EvaluatorException; |
| import org.apache.synapse.commons.evaluators.config.EvaluatorFactoryFinder; |
| import org.apache.synapse.mediators.eip.Target; |
| import org.apache.synapse.mediators.filters.router.ConditionalRouterMediator; |
| import org.apache.synapse.mediators.filters.router.ConditionalRoute; |
| |
| import javax.xml.namespace.QName; |
| import java.util.Iterator; |
| import java.util.Properties; |
| |
| /** |
| * <pre> |
| * <conditionalRouter continueAfter="(true|false)"> |
| * <route breakRoute="(true|false)"> |
| * <condition ../> |
| * <target ../> |
| * </route> |
| * </conditionalRouter> |
| * </pre> |
| */ |
| public class ConditionalRouterMediatorFactory extends AbstractMediatorFactory { |
| |
| private static final QName CONDITIONAL_ROUTER_Q |
| = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "conditionalRouter"); |
| private static final QName ROUTE_Q |
| = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "conditionalRoute"); |
| private static final QName CONDITION_Q |
| = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "condition"); |
| private static final QName TARGET_Q |
| = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "target"); |
| |
| private static final QName CONTINUE_AFTER_ATTR |
| = new QName(XMLConfigConstants.NULL_NAMESPACE, "continueAfter"); |
| private static final QName BREAK_ROUTE_ATTR |
| = new QName(XMLConfigConstants.NULL_NAMESPACE, "breakRoute"); |
| private static final QName ASYNCHRONOUS_ATTR |
| = new QName(XMLConfigConstants.NULL_NAMESPACE, "asynchronous"); |
| |
| public Mediator createSpecificMediator(OMElement elem, Properties properties) { |
| |
| ConditionalRouterMediator conditionalRouterMediator = new ConditionalRouterMediator(); |
| processAuditStatus(conditionalRouterMediator, elem); |
| |
| if (elem.getAttribute(CONTINUE_AFTER_ATTR) != null) { |
| if (JavaUtils.isTrueExplicitly(elem.getAttributeValue(CONTINUE_AFTER_ATTR).trim())) { |
| conditionalRouterMediator.setContinueAfter(true); |
| } else if (JavaUtils.isFalseExplicitly( |
| elem.getAttributeValue(CONTINUE_AFTER_ATTR).trim())) { |
| conditionalRouterMediator.setContinueAfter(false); |
| } else { |
| handleException("continueAfter attribute value of the conditionalRouter must " + |
| "be either 'true' or 'false', the value found is : " |
| + elem.getAttributeValue(CONTINUE_AFTER_ATTR).trim()); |
| } |
| } |
| |
| Iterator itr = elem.getChildrenWithName(ROUTE_Q); |
| while (itr.hasNext()) { |
| OMElement routeElem = (OMElement) itr.next(); |
| ConditionalRoute conditionalRoute = new ConditionalRoute(); |
| |
| if (routeElem.getAttribute(BREAK_ROUTE_ATTR) != null) { |
| if (JavaUtils.isTrueExplicitly( |
| routeElem.getAttributeValue(BREAK_ROUTE_ATTR).trim())) { |
| |
| conditionalRoute.setBreakRoute(true); |
| } else if (JavaUtils.isFalseExplicitly( |
| routeElem.getAttributeValue(BREAK_ROUTE_ATTR).trim())) { |
| |
| conditionalRoute.setBreakRoute(false); |
| } else { |
| handleException("breakRoute attribute value of the conditionalRoute element must " + |
| "be either 'true' or 'false', the value found is : " |
| + routeElem.getAttributeValue(BREAK_ROUTE_ATTR).trim()); |
| } |
| } |
| |
| OMElement conditionElem = routeElem.getFirstChildWithName(CONDITION_Q); |
| if (conditionElem == null) { |
| handleException("Couldn't find the condition of the conditional router"); |
| return null; |
| } |
| |
| try { |
| Evaluator evaluator = EvaluatorFactoryFinder.getInstance().getEvaluator( |
| conditionElem.getFirstElement()); |
| conditionalRoute.setEvaluator(evaluator); |
| } catch (EvaluatorException ee) { |
| handleException("Couldn't build the condition of the conditional router", ee); |
| } |
| |
| OMElement targetElem = routeElem.getFirstChildWithName(TARGET_Q); |
| Target target = TargetFactory.createTarget(targetElem, properties); |
| if (JavaUtils.isTrueExplicitly(routeElem.getAttributeValue(ASYNCHRONOUS_ATTR))) { |
| target.setAsynchronous(true); |
| } else { |
| target.setAsynchronous(false); |
| } |
| conditionalRoute.setTarget(target); |
| conditionalRouterMediator.addRoute(conditionalRoute); |
| } |
| return conditionalRouterMediator; |
| } |
| |
| public QName getTagQName() { |
| return CONDITIONAL_ROUTER_Q; |
| } |
| } |