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.hdfs;
018    
019    import java.net.URL;
020    import java.util.Map;
021    
022    import org.apache.camel.CamelContext;
023    import org.apache.camel.Endpoint;
024    import org.apache.camel.impl.DefaultComponent;
025    import org.apache.hadoop.fs.FsUrlStreamHandlerFactory;
026    import org.slf4j.Logger;
027    import org.slf4j.LoggerFactory;
028    
029    public class HdfsComponent extends DefaultComponent {
030    
031        private static final Logger LOG = LoggerFactory.getLogger(HdfsComponent.class);
032    
033        public HdfsComponent() {
034            initHdfs();
035        }
036    
037        public HdfsComponent(CamelContext context) {
038            super(context);
039            initHdfs();
040        }
041    
042        @SuppressWarnings("unchecked")
043        protected final Endpoint createEndpoint(String uri, String remaining, Map parameters) throws Exception {
044            HdfsEndpoint hdfsEndpoint = new HdfsEndpoint(uri, this.getCamelContext());
045            setProperties(hdfsEndpoint.getConfig(), parameters);
046            return hdfsEndpoint;
047        }
048    
049        protected void initHdfs() {
050            try {
051                URL.setURLStreamHandlerFactory(new FsUrlStreamHandlerFactory());
052            } catch (Throwable e) {
053                // ignore as its most likely already set
054                LOG.debug("Cannot set URLStreamHandlerFactory due " + e.getMessage() + ". This exception will be ignored.", e);
055            }
056        }
057    
058    }