| /* |
| * 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 java.util.Set; |
| |
| import javax.sql.DataSource; |
| |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.NoSuchBeanException; |
| import org.apache.camel.spi.annotations.Component; |
| import org.apache.camel.support.CamelContextHelper; |
| import org.apache.camel.support.DefaultComponent; |
| import org.apache.camel.util.PropertiesHelper; |
| |
| @Component("jdbc") |
| public class JdbcComponent extends DefaultComponent { |
| |
| private DataSource dataSource; |
| |
| @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 target = CamelContextHelper.lookup(getCamelContext(), remaining, DataSource.class); |
| if (target == null && !isDefaultDataSourceName(remaining)) { |
| throw new NoSuchBeanException(remaining, DataSource.class.getName()); |
| } else if (target == null) { |
| // check if the registry contains a single instance of DataSource |
| Set<DataSource> dataSources = getCamelContext().getRegistry().findByType(DataSource.class); |
| if (dataSources.size() > 1) { |
| throw new IllegalArgumentException("Multiple DataSources found in the registry and no explicit configuration provided"); |
| } else if (dataSources.size() == 1) { |
| target = dataSources.stream().findFirst().orElse(null); |
| } |
| if (target == null) { |
| throw new IllegalArgumentException("No default DataSource found in the registry"); |
| } |
| log.debug("Using default DataSource discovered from registry: {}", target); |
| } |
| dataSource = target; |
| dataSourceRef = remaining; |
| } |
| |
| Map<String, Object> params = PropertiesHelper.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; |
| } |
| |
| private static boolean isDefaultDataSourceName(String remaining) { |
| return "dataSource".equalsIgnoreCase(remaining) || "default".equalsIgnoreCase(remaining); |
| } |
| } |