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Java > Open Source Codes > org > outerj > daisy > install > DatabaseSpecificsFactory


1 /*
2  * Copyright 2004 Outerthought bvba and Schaubroeck nv
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.outerj.daisy.install;
17
18 import java.util.Map JavaDoc;
19 import java.util.HashMap JavaDoc;
20 import java.sql.Connection JavaDoc;
21 import java.sql.DatabaseMetaData JavaDoc;
22
23 public class DatabaseSpecificsFactory {
24     private static Map JavaDoc DATABASE_SPECIFICS_MAP;
25     static {
26         DATABASE_SPECIFICS_MAP = new HashMap JavaDoc();
27         DATABASE_SPECIFICS_MAP.put("MySQL", new MySQLDatabaseSpecifics());
28         DATABASE_SPECIFICS_MAP.put("PostgreSQL", new PostgresqlDatabaseSpecifics());
29         DATABASE_SPECIFICS_MAP.put("Oracle", new OracleDatabaseSpecifics());
30     }
31
32     public static DatabaseSpecifics getDatabaseSpecifics(Connection JavaDoc conn) throws Exception JavaDoc {
33         DatabaseMetaData JavaDoc dbMeataData = conn.getMetaData();
34         String JavaDoc dbProductName = dbMeataData.getDatabaseProductName();
35         DatabaseSpecifics dbSpecifics = (DatabaseSpecifics)DATABASE_SPECIFICS_MAP.get(dbProductName);
36         if (dbSpecifics == null) {
37             throw new Exception JavaDoc("Unsupported database: \"" + dbProductName + "\".");
38         }
39         return dbSpecifics;
40     }
41 }
42
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