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.sql;
018    
019    import java.util.Map;
020    import javax.sql.DataSource;
021    
022    import org.apache.camel.CamelContext;
023    import org.apache.camel.Endpoint;
024    import org.apache.camel.impl.DefaultComponent;
025    import org.apache.camel.util.CamelContextHelper;
026    import org.apache.camel.util.IntrospectionSupport;
027    import org.springframework.jdbc.core.JdbcTemplate;
028    
029    /**
030     * @version $Revision:520964 $
031     */
032    public class SqlComponent extends DefaultComponent {
033        private DataSource dataSource;
034    
035        public SqlComponent() {
036        }
037    
038        public SqlComponent(CamelContext context) {
039            super(context);
040        }
041    
042        @Override
043        protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
044            String dataSourceRef = getAndRemoveParameter(parameters, "dataSourceRef", String.class);
045            if (dataSourceRef != null) {
046                dataSource = CamelContextHelper.mandatoryLookup(getCamelContext(), dataSourceRef, DataSource.class);
047            }
048            String parameterPlaceholderSubstitute = getAndRemoveParameter(parameters, "placeholder", String.class, "#");
049            
050            JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
051            IntrospectionSupport.setProperties(jdbcTemplate, parameters, "template.");
052    
053            String query = remaining.replaceAll(parameterPlaceholderSubstitute, "?");
054            return new SqlEndpoint(uri, this, jdbcTemplate, query);
055        }
056    
057        public void setDataSource(DataSource dataSource) {
058            this.dataSource = dataSource;
059        }
060    
061        public DataSource getDataSource() {
062            return dataSource;
063        }
064    }