wamblee.org Git - utils/blob - system/spring/src/main/java/org/wamblee/system/spring/component/DatasourceComponent.java

   1 /*
   2  * Copyright 2008 the original author or authors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.wamblee.system.spring.component;
  17
  18 import java.io.IOException;
  19 import java.util.Map;
  20 import java.util.Properties;
  21 import java.util.TreeMap;
  22
  23 import javax.sql.DataSource;
  24
  25 import org.springframework.core.io.ClassPathResource;
  26 import org.springframework.jdbc.datasource.DriverManagerDataSource;
  27 import org.wamblee.system.components.ORMappingConfig;
  28 import org.wamblee.system.components.ORMappingConfig.DatabaseType;
  29 import org.wamblee.system.core.AbstractComponent;
  30 import org.wamblee.system.core.DefaultProvidedInterface;
  31 import org.wamblee.system.core.DefaultRequiredInterface;
  32 import org.wamblee.system.core.ProvidedInterface;
  33 import org.wamblee.system.core.RequiredInterface;
  34 import org.wamblee.system.core.Scope;
  35 import org.wamblee.system.spring.SpringComponent;
  36
  37 public class DatasourceComponent extends AbstractComponent<DataSource> {
  38
  39     private static RequiredInterface PROPS = new DefaultRequiredInterface("dbprops", Properties.class);
  40     private static ProvidedInterface DATASOURCE =  new DefaultProvidedInterface("datasource",
  41             DataSource.class);
  42     private static ProvidedInterface ORM_CONFIG = new DefaultProvidedInterface("ormconfig",
  43             ORMappingConfig.class);
  44
  45     public DatasourceComponent(String aName) throws IOException {
  46         super(aName);
  47
  48         addRequiredInterface(PROPS);
  49         addProvidedInterface(DATASOURCE);
  50         addProvidedInterface(ORM_CONFIG);
  51     }
  52
  53
  54     @Override
  55     protected DataSource doStart(Scope aScope) {
  56         Properties dbProps = aScope.getInterfaceImplementation(
  57                 PROPS.getProvider(), Properties.class);
  58         DriverManagerDataSource ds = new DriverManagerDataSource(
  59                 dbProps.getProperty("database.url"),
  60                 dbProps.getProperty("database.username"),
  61                 dbProps.getProperty("database.password"));
  62        addInterface(DATASOURCE, ds, aScope);
  63        DatabaseType type = DatabaseType.valueOf(dbProps.getProperty("database.type"));
  64
  65        ORMappingConfig config = new ORMappingConfig(true, type);
  66
  67        addInterface(ORM_CONFIG, config, aScope);
  68
  69        return ds;
  70     }
  71
  72     @Override
  73     protected void doStop(DataSource aRuntime) {
  74        // Empty.
  75     }
  76 }