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1   /*
2    * $Id: JdbcNamespaceHandler.java 23047 2011-09-29 22:40:05Z mike.schilling $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  package org.mule.transport.jdbc.config;
11  
12  import org.mule.config.spring.handlers.AbstractMuleNamespaceHandler;
13  import org.mule.config.spring.parsers.ClassOrRefDefinitionParser;
14  import org.mule.config.spring.parsers.MuleDefinitionParser;
15  import org.mule.config.spring.parsers.collection.ChildSingletonMapDefinitionParser;
16  import org.mule.config.spring.parsers.delegate.ParentContextDefinitionParser;
17  import org.mule.config.spring.parsers.generic.ChildDefinitionParser;
18  import org.mule.config.spring.parsers.generic.ParentDefinitionParser;
19  import org.mule.config.spring.parsers.processors.CheckExclusiveAttributes;
20  import org.mule.config.spring.parsers.specific.ObjectFactoryWrapper;
21  import org.mule.config.spring.parsers.specific.TransactionDefinitionParser;
22  import org.mule.config.spring.parsers.specific.properties.NestedMapDefinitionParser;
23  import org.mule.endpoint.URIBuilder;
24  import org.mule.transport.jdbc.JdbcConnector;
25  import org.mule.transport.jdbc.JdbcTransactionFactory;
26  import org.mule.transport.jdbc.store.JdbcObjectStore;
27  
28  /**
29   * Registers Bean Definition Parsers for the "jdbc" namespace.
30   */
31  public class JdbcNamespaceHandler extends AbstractMuleNamespaceHandler
32  {
33      public static final String QUERY_KEY = "queryKey";
34      public static final String[] ADDRESS_ATTRIBUTES = new String[]{QUERY_KEY};
35      public static final String SQL_STATEMENT_FACTORY_PROPERTY = "sqlStatementStrategyFactory";
36  
37      @Override
38      public void init()
39      {
40          registerStandardTransportEndpoints(JdbcConnector.JDBC, ADDRESS_ATTRIBUTES).addAlias(QUERY_KEY, URIBuilder.PATH);
41          registerConnectorDefinitionParser(JdbcConnector.class, JdbcConnector.JDBC);
42          registerBeanDefinitionParser("dataSource", new ObjectFactoryWrapper("dataSourceFactory"));
43          registerBeanDefinitionParser(SQL_STATEMENT_FACTORY_PROPERTY, new ClassOrRefDefinitionParser(SQL_STATEMENT_FACTORY_PROPERTY));
44          MuleDefinitionParser connectorQuery = new ChildSingletonMapDefinitionParser("query");
45          MuleDefinitionParser endpointQuery = new NestedMapDefinitionParser("properties", "queries");
46          endpointQuery.addCollection("properties");
47          registerMuleBeanDefinitionParser("query", new ParentContextDefinitionParser("connector", connectorQuery).otherwise(endpointQuery));
48          registerBeanDefinitionParser("extractors", new ParentDefinitionParser());
49          registerBeanDefinitionParser("transaction", new TransactionDefinitionParser(JdbcTransactionFactory.class));
50          registerBeanDefinitionParser("object-store", new ChildDefinitionParser("store", JdbcObjectStore.class));
51          registerDataSourceDefinitionParsers();
52      }
53  
54      protected void registerDataSourceDefinitionParsers()
55      {
56          registerDerbyDataSourceDefinitionParser();
57          registerMysqlDataSourceDefinitionParser();
58          registerOracleDataSourceDefinitionParser();
59          registerPostgresqlDataSourceDefinitionParser();
60      }
61  
62      protected void registerDerbyDataSourceDefinitionParser()
63      {
64          DataSourceDefinitionParser parser = new DataSourceDefinitionParser(DerbyDataSourceFactoryBean.class);
65  
66          // make sure that either url or database is configured
67          parser.registerPreProcessor(new CheckDatabaseOrUrl());
68  
69          registerBeanDefinitionParser("derby-data-source", parser);
70      }
71  
72      protected void registerMysqlDataSourceDefinitionParser()
73      {
74          registerHostAndPortTypeDefinitionParser(MysqlDataSourceFactoryBean.class,
75              "mysql-data-source");
76      }
77  
78      protected void registerOracleDataSourceDefinitionParser()
79      {
80          DataSourceDefinitionParser parser = new DataSourceDefinitionParser(OracleDataSourceFactoryBean.class);
81  
82          String[][] attributeGroups = new String[][] {
83              new String[] { "url" },
84              new String[] { "host", "port", "instance" }
85          };
86          CheckExclusiveAttributes attributeCheck = new CheckExclusiveAttributes(attributeGroups);
87          parser.registerPreProcessor(attributeCheck);
88  
89          registerBeanDefinitionParser("oracle-data-source", parser);
90      }
91  
92      protected void registerPostgresqlDataSourceDefinitionParser()
93      {
94          registerHostAndPortTypeDefinitionParser(PostgresqlDataSourceFactoryBean.class,
95              "postgresql-data-source");
96      }
97  
98      protected void registerHostAndPortTypeDefinitionParser(Class<? extends AbstractDataSourceFactoryBean> poolFactoryClass,
99          String elementName)
100     {
101         DataSourceDefinitionParser parser = new DataSourceDefinitionParser(poolFactoryClass);
102 
103         // make sure that either url or host/port are configured
104         String[][] attributeGroups = new String[][] {
105             new String[] { "url" },
106             new String[] { "host", "port" }
107         };
108         CheckExclusiveAttributes attributeCheck = new CheckExclusiveAttributes(attributeGroups);
109         parser.registerPreProcessor(attributeCheck);
110 
111         // make sure that either url or database is configured
112         parser.registerPreProcessor(new CheckDatabaseOrUrl());
113 
114         registerBeanDefinitionParser(elementName, parser);
115 
116     }
117 }