| /* |
| * 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.OMAbstractFactory; |
| import org.apache.axiom.om.OMAttribute; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.synapse.Mediator; |
| import org.jaxen.JaxenException; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.apache.synapse.mediators.elementary.EnrichMediator; |
| import org.apache.synapse.mediators.elementary.Source; |
| import org.apache.synapse.mediators.elementary.Target; |
| |
| import java.util.Properties; |
| |
| public class EnrichMediatorFactory extends AbstractMediatorFactory { |
| |
| private static final QName XML_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enrich"); |
| private static final QName ATT_PROPERTY = new QName("property"); |
| private static final QName ATT_XPATH = new QName("xpath"); |
| private static final QName ATT_TYPE = new QName("type"); |
| private static final QName ATT_CLONE = new QName("clone"); |
| private static final QName ATT_ACTION = new QName("action"); |
| |
| public static final QName SOURCE_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "source"); |
| public static final QName TARGET_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "target"); |
| |
| public static final String CUSTOM = "custom"; |
| public static final String PROPERTY = "property"; |
| public static final String ENVELOPE = "envelope"; |
| public static final String BODY = "body"; |
| public static final String INLINE = "inline"; |
| |
| @Override |
| protected Mediator createSpecificMediator(OMElement elem, Properties properties) { |
| if (!XML_Q.equals(elem.getQName())) { |
| handleException("Unable to create the enrich mediator. " + |
| "Unexpected element as the enrich mediator configuration"); |
| } |
| |
| EnrichMediator enrich = new EnrichMediator(); |
| |
| OMElement sourceEle = elem.getFirstChildWithName(SOURCE_Q); |
| if (sourceEle == null) { |
| handleException("source element is mandatory"); |
| } |
| Source source = new Source(); |
| enrich.setSource(source); |
| |
| OMElement targetEle = elem.getFirstChildWithName(TARGET_Q); |
| if (targetEle == null) { |
| handleException("target element is mandatory"); |
| } |
| Target target = new Target(); |
| enrich.setTarget(target); |
| |
| populateSource(source, sourceEle); |
| populateTarget(target, targetEle); |
| |
| return enrich; |
| } |
| |
| private void populateSource(Source source, OMElement sourceEle) { |
| |
| // type attribute |
| OMAttribute typeAttr = sourceEle.getAttribute(ATT_TYPE); |
| if (typeAttr != null && typeAttr.getAttributeValue() != null) { |
| source.setSourceType(convertTypeToInit(typeAttr.getAttributeValue())); |
| } |
| |
| OMAttribute cloneAttr = sourceEle.getAttribute(ATT_CLONE); |
| if (cloneAttr != null && cloneAttr.getAttributeValue() != null) { |
| source.setClone(Boolean.parseBoolean(cloneAttr.getAttributeValue())); |
| } |
| |
| if (source.getSourceType() == EnrichMediator.CUSTOM) { |
| OMAttribute xpathAttr = sourceEle.getAttribute(ATT_XPATH); |
| if (xpathAttr != null && xpathAttr.getAttributeValue() != null) { |
| try { |
| source.setXpath(SynapseXPathFactory.getSynapseXPath(sourceEle, ATT_XPATH)); |
| } catch (JaxenException e) { |
| handleException("Invalid XPath expression: " + xpathAttr); |
| } |
| } else { |
| handleException("xpath attribute is required for CUSTOM type"); |
| } |
| } else if (source.getSourceType() == EnrichMediator.PROPERTY) { |
| OMAttribute propertyAttr = sourceEle.getAttribute(ATT_PROPERTY); |
| if (propertyAttr != null && propertyAttr.getAttributeValue() != null) { |
| source.setProperty(propertyAttr.getAttributeValue()); |
| } else { |
| handleException("xpath attribute is required for CUSTOM type"); |
| } |
| } else if (source.getSourceType() == EnrichMediator.INLINE) { |
| OMElement inlineElem = null; |
| if (sourceEle.getFirstElement() != null) { |
| inlineElem = sourceEle.getFirstElement().cloneOMElement(); |
| } |
| |
| if (inlineElem != null) { |
| source.setInlineOMNode(inlineElem); |
| } else if (sourceEle.getText() != null |
| && (!sourceEle.getText().equals(""))) { |
| source.setInlineOMNode(OMAbstractFactory.getOMFactory().createOMText(sourceEle.getText())); |
| } else if (sourceEle.getAttributeValue(ATT_KEY) != null) { |
| source.setInlineKey(sourceEle.getAttributeValue(ATT_KEY)); |
| } else { |
| handleException("XML element is required for INLINE type"); |
| } |
| } |
| } |
| |
| private void populateTarget(Target target, OMElement sourceEle) { |
| // type attribute |
| OMAttribute typeAttr = sourceEle.getAttribute(ATT_TYPE); |
| if (typeAttr != null && typeAttr.getAttributeValue() != null) { |
| int type = convertTypeToInit(typeAttr.getAttributeValue()); |
| if (type >= 0) { |
| target.setTargetType(type); |
| } else { |
| handleException("Un-expected type : " + typeAttr.getAttributeValue()); |
| } |
| } |
| |
| OMAttribute actionAttr = sourceEle.getAttribute(ATT_ACTION); |
| if (actionAttr != null && actionAttr.getAttributeValue() != null) { |
| target.setAction(actionAttr.getAttributeValue()); |
| } |
| |
| if (target.getTargetType() == EnrichMediator.CUSTOM) { |
| OMAttribute xpathAttr = sourceEle.getAttribute(ATT_XPATH); |
| if (xpathAttr != null && xpathAttr.getAttributeValue() != null) { |
| try { |
| target.setXpath(SynapseXPathFactory.getSynapseXPath(sourceEle, ATT_XPATH)); |
| } catch (JaxenException e) { |
| handleException("Invalid XPath expression: " + xpathAttr); |
| } |
| } else { |
| handleException("xpath attribute is required for CUSTOM type"); |
| } |
| } else if (target.getTargetType() == EnrichMediator.PROPERTY) { |
| OMAttribute propertyAttr = sourceEle.getAttribute(ATT_PROPERTY); |
| if (propertyAttr != null && propertyAttr.getAttributeValue() != null) { |
| target.setProperty(propertyAttr.getAttributeValue()); |
| } else { |
| handleException("property attribute is required for property type"); |
| } |
| } |
| } |
| |
| private int convertTypeToInit(String type) { |
| if (type.equals(ENVELOPE)) { |
| return EnrichMediator.ENVELOPE; |
| } else if (type.equals(BODY)) { |
| return EnrichMediator.BODY; |
| } else if (type.equals(PROPERTY)) { |
| return EnrichMediator.PROPERTY; |
| } else if (type.equals(CUSTOM)) { |
| return EnrichMediator.CUSTOM; |
| } else if (type.equals(INLINE)) { |
| return EnrichMediator.INLINE; |
| } |
| return -1; |
| } |
| |
| public QName getTagQName() { |
| return XML_Q; |
| } |
| |
| } |