| /* |
| * 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.axis2.jibx.handler; |
| |
| import java.util.Iterator; |
| |
| import org.apache.axiom.om.OMCloneOptions; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axiom.om.OMSourcedElement; |
| import org.apache.axis2.AxisFault; |
| import org.apache.axis2.context.MessageContext; |
| import org.apache.axis2.handlers.AbstractHandler; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| public class OMSourcedElementChecker extends AbstractHandler { |
| private static final Log log = LogFactory.getLog(OMSourcedElementChecker.class); |
| |
| public InvocationResponse invoke(MessageContext msgContext) throws AxisFault { |
| OMElement bodyElement = msgContext.getEnvelope().getBody().getFirstElement(); |
| if (bodyElement instanceof OMSourcedElement) { |
| checkOMSourcedElement((OMSourcedElement)bodyElement); |
| } else { |
| // The body element may be a wrapper; check the children |
| for (Iterator it = bodyElement.getChildElements(); it.hasNext(); ) { |
| OMElement child = (OMElement)it.next(); |
| if (child instanceof OMSourcedElement) { |
| checkOMSourcedElement((OMSourcedElement)child); |
| } |
| } |
| } |
| return InvocationResponse.CONTINUE; |
| } |
| |
| private void checkOMSourcedElement(OMSourcedElement element) throws AxisFault { |
| // We use a clone in order to leave the original state of the OMSourcedElements untouched. |
| // This is possible because JiBXDataSource is non destructive and implements the copy() |
| // method. |
| OMCloneOptions options = new OMCloneOptions(); |
| options.setCopyOMDataSources(true); |
| boolean oldExpanded = element.isExpanded(); |
| OMSourcedElement clone = (OMSourcedElement)element.clone(options); |
| if (element.isExpanded() != oldExpanded) { |
| throw new AxisFault("Ooops! Accidentally expanded the original OMSourcedElement; this is unexpected..."); |
| } |
| // Force OMSourcedElement to get the element name via QNameAwareOMDataSource |
| log.info("Found OMSourcedElement: name=" + clone.getLocalName() |
| + "; namespace=" + clone.getNamespaceURI() |
| + "; prefix=" + clone.getPrefix()); |
| // The OMSourcedElement should still be unexpanded |
| if (clone.isExpanded()) { |
| throw new AxisFault("OMSourcedElement unexpectedly expanded!"); |
| } |
| // Now force expansion to let OMSourcedElement validate that the name is correct |
| clone.getFirstOMChild(); |
| } |
| } |