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.camel.component.jcr;
018    
019    import javax.jcr.Node;
020    import javax.jcr.RepositoryException;
021    import javax.jcr.Session;
022    import javax.jcr.Value;
023    
024    import org.apache.camel.Exchange;
025    import org.apache.camel.TypeConverter;
026    import org.apache.camel.impl.DefaultProducer;
027    import org.apache.jackrabbit.util.Text;
028    
029    public class JcrProducer extends DefaultProducer {
030    
031        public JcrProducer(JcrEndpoint jcrEndpoint) throws RepositoryException {
032            super(jcrEndpoint);
033        }
034    
035        public void process(Exchange exchange) throws Exception {
036            Session session = openSession();
037            try {
038                Node base = findOrCreateNode(session.getRootNode(),
039                        getJcrEndpoint().getBase());
040                Node node = findOrCreateNode(base, getNodeName(exchange));
041                TypeConverter converter = exchange.getContext().getTypeConverter();
042                for (String key : exchange.getProperties().keySet()) {
043                    Value value = converter.convertTo(Value.class, exchange,
044                            exchange.getProperty(key));
045                    node.setProperty(key, value);
046                }
047                node.addMixin("mix:referenceable");
048                session.save();
049                exchange.getOut().setBody(node.getUUID());
050            } finally {
051                if (session != null && session.isLive()) {
052                    session.logout();
053                }
054            }
055        }
056    
057        private String getNodeName(Exchange exchange) {
058            if (exchange.getProperty(JcrConstants.JCR_NODE_NAME) != null) {
059                return exchange.getProperty(JcrConstants.JCR_NODE_NAME,
060                        String.class);
061            }
062            return exchange.getExchangeId();
063        }
064    
065        private Node findOrCreateNode(Node parent, String path)
066            throws RepositoryException {
067            Node result = parent;
068            for (String component : path.split("/")) {
069                component = Text.escapeIllegalJcrChars(component);
070                if (component.length() > 0 && !result.hasNode(component)) {
071                    result = result.addNode(component);
072                }
073            }
074            return result;
075        }
076    
077        protected Session openSession() throws RepositoryException {
078            return getJcrEndpoint().getRepository().login(
079                    getJcrEndpoint().getCredentials());
080        }
081    
082        private JcrEndpoint getJcrEndpoint() {
083            JcrEndpoint endpoint = (JcrEndpoint) getEndpoint();
084            return endpoint;
085        }
086    }