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.atom;
018    
019    import java.net.URI;
020    import java.util.Map;
021    
022    import org.apache.camel.Endpoint;
023    import org.apache.camel.component.feed.FeedComponent;
024    import org.apache.camel.component.feed.FeedEndpoint;
025    import org.apache.camel.util.CastUtils;
026    import org.apache.camel.util.URISupport;
027    
028    /**
029     * An <a href="http://camel.apache.org/atom.html">Atom Component</a>.
030     * <p/>
031     * Camel uses Apache Abdera as the Atom implementation.
032     *
033     * @version $Revision: 834779 $
034     */
035    public class AtomComponent extends FeedComponent {
036    
037        @Override
038        protected FeedEndpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
039            return new AtomEndpoint(uri, this, null);
040        }
041    
042        @Override
043        protected void afterConfiguration(String uri, String remaining, Endpoint endpoint, Map<String, Object> parameters) throws Exception {
044            AtomEndpoint atom = (AtomEndpoint) endpoint;
045            if (atom.getFeedUri() != null) {
046                // already set so do not change it
047                return;
048            }
049    
050            // recreate feed uri after we have configured the endpoint so we can use the left over parameters
051            // for the http feed
052            String feedUri;
053            if (!parameters.isEmpty()) {
054                Map<Object, Object> params = CastUtils.cast(parameters);
055                URI remainingUri = URISupport.createRemainingURI(new URI(remaining), params);
056                feedUri = remainingUri.toString();
057            } else {
058                feedUri = remaining;
059            }
060    
061            atom.setFeedUri(feedUri);
062        }
063    
064    }