Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/DBConfig.java @ 3468:f37e7e8907cb

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merged flys-artifacts/2.8.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:39 +0200
parents 5642a83420f2
children
comparison
equal deleted inserted replaced
3387:5ffad8bde8ad 3468:f37e7e8907cb
1 package de.intevation.flys.artifacts.datacage;
2
3 import de.intevation.artifacts.common.utils.Config;
4
5 import de.intevation.artifactdatabase.db.SQL;
6 import de.intevation.artifactdatabase.db.DBConnection;
7
8 import org.apache.log4j.Logger;
9
10 public class DBConfig
11 {
12 private static Logger logger = Logger.getLogger(DBConfig.class);
13
14 /**
15 * XPath to access the database driver within the global configuration.
16 */
17 public static final String DB_DRIVER =
18 "/artifact-database/datacage/driver/text()";
19 /**
20 * XPath to access the database URL within the global configuration.
21 */
22 public static final String DB_URL =
23 "/artifact-database/datacage/url/text()";
24 /**
25 * XPath to access the database use within the global configuration.
26 */
27 public static final String DB_USER =
28 "/artifact-database/datacage/user/text()";
29 /**
30 * XPath to access the database password within the global configuration.
31 */
32 public static final String DB_PASSWORD =
33 "/artifact-database/datacage/password/text()";
34
35 /**
36 * The default database driver: H2
37 */
38 public static final String DEFAULT_DRIVER =
39 "org.h2.Driver";
40
41 /**
42 * The default database user: ""
43 */
44 public static final String DEFAULT_USER = "";
45
46 /**
47 * The default database password: ""
48 */
49 public static final String DEFAULT_PASSWORD = "";
50
51
52 public static final String DEFAULT_URL =
53 "jdbc:h2:mem:datacage;INIT=RUNSCRIPT FROM '${artifacts.config.dir}/datacage.sql'";
54
55 public static final String RESOURCE_PATH = "/datacage-sql";
56
57 private static DBConfig instance;
58
59 protected DBConnection dbConnection;
60 protected SQL sql;
61
62 public DBConfig() {
63 }
64
65 public DBConfig(DBConnection dbConnection, SQL sql) {
66 this.dbConnection = dbConnection;
67 this.sql = sql;
68 }
69
70 public static synchronized DBConfig getInstance() {
71 if (instance == null) {
72 instance = createInstance();
73 }
74 return instance;
75 }
76
77 protected static DBConfig createInstance() {
78 String driver = Config.getStringXPath(
79 DB_DRIVER, DEFAULT_DRIVER);
80
81 String url = Config.getStringXPath(
82 DB_URL, DEFAULT_URL);
83
84 url = Config.replaceConfigDir(url);
85
86 String user = Config.getStringXPath(
87 DB_USER, DEFAULT_USER);
88
89 String password = Config.getStringXPath(
90 DB_PASSWORD, DEFAULT_PASSWORD);
91
92 DBConnection dbConnection = new DBConnection(
93 driver, url, user, password);
94
95 SQL sql = new SQL(DBConfig.class, RESOURCE_PATH, driver);
96
97 return new DBConfig(dbConnection, sql);
98 }
99
100 public DBConnection getDBConnection() {
101 return dbConnection;
102 }
103
104 public SQL getSQL() {
105 return sql;
106 }
107 }
108 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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