| /* |
| * 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 java.util.Iterator; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.apache.axiom.om.OMAttribute; |
| import org.apache.axiom.om.OMElement; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.synapse.SynapseException; |
| import org.apache.synapse.util.resolver.ResourceMap; |
| |
| /** |
| * Creates a ResourceMap object based on a set of <tt><resource></tt> elements: |
| * <pre> |
| * <resource location="..." key="..."/>* |
| * </pre> |
| */ |
| public class ResourceMapFactory { |
| private static final Log log = LogFactory.getLog(ResourceMapFactory.class); |
| |
| public static ResourceMap createResourceMap(OMElement elem) { |
| ResourceMap resourceMap = null; |
| Iterator it = elem.getChildrenWithName( |
| new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "resource")); |
| while (it.hasNext()) { |
| // Lazily create the ResourceMap, so that when no <resource> |
| // elements are found, the method returns null. |
| if (resourceMap == null) { |
| resourceMap = new ResourceMap(); |
| } |
| OMElement resourceElem = (OMElement)it.next(); |
| OMAttribute location = resourceElem.getAttribute |
| (new QName(XMLConfigConstants.NULL_NAMESPACE, "location")); |
| if (location == null) { |
| handleException("The 'location' attribute is required for a resource definition"); |
| } |
| OMAttribute key = resourceElem.getAttribute( |
| new QName(XMLConfigConstants.NULL_NAMESPACE, "key")); |
| if (key == null) { |
| handleException("The 'key' attribute is required for a resource definition"); |
| } |
| resourceMap.addResource(location.getAttributeValue(), key.getAttributeValue()); |
| } |
| return resourceMap; |
| } |
| |
| private static void handleException(String msg) { |
| log.error(msg); |
| throw new SynapseException(msg); |
| } |
| } |