JdbcComponent.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.jdbc;

import java.util.Map;
import javax.sql.DataSource;

import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.impl.UriEndpointComponent;
import org.apache.camel.util.CamelContextHelper;
import org.apache.camel.util.IntrospectionSupport;

/**
 * @version
 */
public class JdbcComponent extends UriEndpointComponent {
    private DataSource dataSource;

    public JdbcComponent() {
        super(JdbcEndpoint.class);
    }

    public JdbcComponent(CamelContext context) {
        super(context, JdbcEndpoint.class);
    }

    @Override
    protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
        DataSource dataSource;
        String dataSourceRef;

        if (this.dataSource != null) {
            // prefer to use datasource set by setter
            dataSource = this.dataSource;
            dataSourceRef = "component";
        } else {
            dataSource = CamelContextHelper.mandatoryLookup(getCamelContext(), remaining, DataSource.class);
            dataSourceRef = remaining;
        }

        Map<String, Object> params = IntrospectionSupport.extractProperties(parameters, "statement.");

        JdbcEndpoint jdbc = new JdbcEndpoint(uri, this, dataSource);
        jdbc.setDataSourceName(dataSourceRef);
        jdbc.setParameters(params);
        setProperties(jdbc, parameters);

        return jdbc;
    }

    /**
     * To use the {@link DataSource} instance instead of looking up the data source by name from the registry.
     */
    public void setDataSource(DataSource dataSource) {
        this.dataSource = dataSource;
    }
}