| /* |
| * 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.mediators.transform.XSLTMediator; |
| import org.apache.synapse.mediators.Value; |
| import org.jaxen.JaxenException; |
| |
| import javax.xml.namespace.QName; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| /** |
| * Factory for {@link XSLTMediator} instances. |
| * <p> |
| * Configuration syntax: |
| * <pre> |
| * <xslt key="property-key" [source="xpath"] [target="string"]> |
| * <property name="string" (value="literal" | expression="xpath")/>* |
| * <feature name="string" value="true| false" />* |
| * <attribute name="string" value="string" />* |
| * <resource location="..." key="..."/>* |
| * </transform> |
| * </pre> |
| */ |
| public class XSLTMediatorFactory extends AbstractMediatorFactory { |
| |
| private static final QName TAG_NAME |
| = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "xslt"); |
| private static final QName ATTRIBUTE_Q |
| = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "attribute"); |
| |
| public QName getTagQName() { |
| return TAG_NAME; |
| } |
| |
| 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); |
| |
| 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()); |
| } |
| |
| // 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; |
| } |
| } |