Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/DBConfig.java @ 3468:f37e7e8907cb
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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/DBConfig.java Fri Sep 28 12:14:39 2012 +0200 @@ -0,0 +1,108 @@ +package de.intevation.flys.artifacts.datacage; + +import de.intevation.artifacts.common.utils.Config; + +import de.intevation.artifactdatabase.db.SQL; +import de.intevation.artifactdatabase.db.DBConnection; + +import org.apache.log4j.Logger; + +public class DBConfig +{ + private static Logger logger = Logger.getLogger(DBConfig.class); + + /** + * XPath to access the database driver within the global configuration. + */ + public static final String DB_DRIVER = + "/artifact-database/datacage/driver/text()"; + /** + * XPath to access the database URL within the global configuration. + */ + public static final String DB_URL = + "/artifact-database/datacage/url/text()"; + /** + * XPath to access the database use within the global configuration. + */ + public static final String DB_USER = + "/artifact-database/datacage/user/text()"; + /** + * XPath to access the database password within the global configuration. + */ + public static final String DB_PASSWORD = + "/artifact-database/datacage/password/text()"; + + /** + * The default database driver: H2 + */ + public static final String DEFAULT_DRIVER = + "org.h2.Driver"; + + /** + * The default database user: "" + */ + public static final String DEFAULT_USER = ""; + + /** + * The default database password: "" + */ + public static final String DEFAULT_PASSWORD = ""; + + + public static final String DEFAULT_URL = + "jdbc:h2:mem:datacage;INIT=RUNSCRIPT FROM '${artifacts.config.dir}/datacage.sql'"; + + public static final String RESOURCE_PATH = "/datacage-sql"; + + private static DBConfig instance; + + protected DBConnection dbConnection; + protected SQL sql; + + public DBConfig() { + } + + public DBConfig(DBConnection dbConnection, SQL sql) { + this.dbConnection = dbConnection; + this.sql = sql; + } + + public static synchronized DBConfig getInstance() { + if (instance == null) { + instance = createInstance(); + } + return instance; + } + + protected static DBConfig createInstance() { + String driver = Config.getStringXPath( + DB_DRIVER, DEFAULT_DRIVER); + + String url = Config.getStringXPath( + DB_URL, DEFAULT_URL); + + url = Config.replaceConfigDir(url); + + String user = Config.getStringXPath( + DB_USER, DEFAULT_USER); + + String password = Config.getStringXPath( + DB_PASSWORD, DEFAULT_PASSWORD); + + DBConnection dbConnection = new DBConnection( + driver, url, user, password); + + SQL sql = new SQL(DBConfig.class, RESOURCE_PATH, driver); + + return new DBConfig(dbConnection, sql); + } + + public DBConnection getDBConnection() { + return dbConnection; + } + + public SQL getSQL() { + return sql; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :