| /* |
| * 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.OMAttribute; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.synapse.Mediator; |
| import org.apache.synapse.SynapseException; |
| import org.apache.synapse.mediators.Value; |
| import org.apache.synapse.mediators.template.InvokeMediator; |
| |
| import javax.xml.namespace.QName; |
| import java.util.Iterator; |
| import java.util.Properties; |
| |
| /** |
| * Builds Invoke mediator from a configuration as |
| * <invoke target=""> |
| * <parameter name="p1" value="{expr}" /> |
| * <parameter name="p1" value="{{expr}}" /> |
| * <parameter name="p1" value="v2" /> |
| * ... |
| * .. |
| * </invoke> |
| */ |
| public class InvokeMediatorFactory extends AbstractMediatorFactory { |
| |
| private static final QName INVOKE_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "call-template"); |
| |
| /** |
| * Element QName Definitions |
| */ |
| public static final QName WITH_PARAM_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "with-param"); |
| |
| InvokeMediator invoker; |
| |
| @Override |
| protected Mediator createSpecificMediator(OMElement elem, Properties properties) { |
| invoker = new InvokeMediator(); |
| OMAttribute targetTemplateAttr = elem.getAttribute(ATT_TARGET); |
| if (targetTemplateAttr != null) { |
| invoker.setTargetTemplate(targetTemplateAttr.getAttributeValue()); |
| buildParameters(elem); |
| } else { |
| String msg = "EIP Invoke mediator should have a target template specified."; |
| log.error(msg); |
| throw new SynapseException(msg); |
| } |
| return invoker; |
| } |
| |
| private void buildParameters(OMElement elem) { |
| Iterator subElements = elem.getChildElements(); |
| while (subElements.hasNext()) { |
| OMElement child = (OMElement) subElements.next(); |
| if (child.getQName().equals(WITH_PARAM_Q)) { |
| OMAttribute paramNameAttr = child.getAttribute(ATT_NAME); |
| if (paramNameAttr != null) { |
| //set parameter value |
| Value paramValue = new ValueFactory().createValue("value", child); |
| invoker.addExpressionForParamName(paramNameAttr.getAttributeValue(), paramValue); |
| } |
| } |
| } |
| |
| } |
| |
| |
| public QName getTagQName() { |
| return INVOKE_Q; |
| } |
| } |