| /* |
| * 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.sql.stored; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.sql.DataSource; |
| |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.spi.annotations.Component; |
| import org.apache.camel.support.DefaultComponent; |
| import org.springframework.jdbc.core.JdbcTemplate; |
| |
| @Component("sql-stored") |
| public class SqlStoredComponent extends DefaultComponent { |
| |
| private DataSource dataSource; |
| |
| @Override |
| protected Endpoint createEndpoint(String uri, String template, Map<String, Object> parameters) throws Exception { |
| DataSource target = null; |
| |
| // endpoint options overrule component configured datasource |
| DataSource ds = resolveAndRemoveReferenceParameter(parameters, "dataSource", DataSource.class); |
| if (ds != null) { |
| target = ds; |
| } |
| if (target == null) { |
| // fallback and use component |
| target = dataSource; |
| } |
| 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("DataSource must be configured"); |
| } |
| |
| JdbcTemplate jdbcTemplate = new JdbcTemplate(target); |
| |
| SqlStoredEndpoint endpoint = new SqlStoredEndpoint(uri, this, jdbcTemplate); |
| endpoint.setTemplate(template); |
| return endpoint; |
| } |
| |
| public DataSource getDataSource() { |
| return dataSource; |
| } |
| |
| /** |
| * Sets the DataSource to use to communicate with the database. |
| */ |
| public void setDataSource(DataSource dataSource) { |
| this.dataSource = dataSource; |
| } |
| } |