001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.servicemix.jbi.servicedesc;
018    
019    import javax.jbi.servicedesc.ServiceEndpoint;
020    
021    import org.w3c.dom.Document;
022    import org.w3c.dom.DocumentFragment;
023    import org.w3c.dom.Element;
024    
025    import org.apache.commons.logging.Log;
026    import org.apache.commons.logging.LogFactory;
027    import org.apache.servicemix.jbi.util.DOMUtil;
028    
029    public final class EndpointReferenceBuilder {
030        
031        public static final String JBI_NAMESPACE = "http://java.sun.com/jbi/end-point-reference";
032        public static final String XMLNS_NAMESPACE = "http://www.w3.org/2000/xmlns/";
033        
034        private static final Log LOG = LogFactory.getLog(EndpointReferenceBuilder.class);
035    
036        private EndpointReferenceBuilder() {
037        }
038        
039        public static DocumentFragment getReference(ServiceEndpoint endpoint) {
040            try {
041                Document doc = DOMUtil.newDocument();
042                DocumentFragment fragment = doc.createDocumentFragment();
043                Element epr = doc.createElementNS(JBI_NAMESPACE, "jbi:end-point-reference");
044                epr.setAttributeNS(XMLNS_NAMESPACE, "xmlns:sns", endpoint.getServiceName().getNamespaceURI());
045                epr.setAttributeNS(JBI_NAMESPACE, "jbi:service-name", "sns:" + endpoint.getServiceName().getLocalPart());
046                epr.setAttributeNS(JBI_NAMESPACE, "jbi:end-point-name", endpoint.getEndpointName());
047                fragment.appendChild(epr);
048                return fragment;
049            } catch (Exception e) {
050                LOG.warn("Unable to create reference for ServiceEndpoint " + endpoint, e);
051                return null;
052            }
053        }
054        
055    }