001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Kernel/Sources/es/udc/mypersonalizer/kernel/model/repository/sql/config/DatabaseSpecificsConfigManager.java,v 1.1.1.1 2004/03/25 12:08:36 fbellas Exp $
003: * $Revision: 1.1.1.1 $
004: * $Date: 2004/03/25 12:08:36 $
005: *
006: * =============================================================================
007: *
008: * Copyright (c) 2003, The MyPersonalizer Development Group
009: * (http://www.tic.udc.es/~fbellas/mypersonalizer/index.html) at
010: * University Of A Coruna
011: * All rights reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions are met:
015: *
016: * - Redistributions of source code must retain the above copyright notice,
017: * this list of conditions and the following disclaimer.
018: *
019: * - Redistributions in binary form must reproduce the above copyright notice,
020: * this list of conditions and the following disclaimer in the documentation
021: * and/or other materials provided with the distribution.
022: *
023: * - Neither the name of the University Of A Coruna nor the names of its
024: * contributors may be used to endorse or promote products derived from
025: * this software without specific prior written permission.
026: *
027: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
028: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
029: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
030: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
031: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
032: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
033: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
034: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
035: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
036: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
037: * POSSIBILITY OF SUCH DAMAGE.
038: *
039: */
040:
041: package es.udc.mypersonalizer.kernel.model.repository.sql.config;
042:
043: import es.udc.mypersonalizer.kernel.config.KernelConfigManager;
044: import es.udc.mypersonalizer.kernel.util.config.ConfigurationManager;
045: import es.udc.mypersonalizer.kernel.util.exceptions.InternalErrorException;
046: import es.udc.mypersonalizer.kernel.util.xml.LocalEntityResolver;
047:
048: /**
049: * Utility class for accessing database specific configuration.
050: *
051: * @author Abel Muinho
052: * @since 1.0
053: */
054: public class DatabaseSpecificsConfigManager {
055:
056: private static final String CONFIG_NAME_PREFIX = "myper-sql-";
057: private static final String CONFIG_NAME_SUFFIX = "-config";
058:
059: private static final String RULES_FILE_NAME = "myper-sql-config";
060:
061: private static String PUBLIC_ID = "-//MyPersonalizer//DTD MyPersonalizer SQL Configuration 1.0//EN";
062:
063: private static String FILE_NAME = "myper-sql-config_1_0.dtd";
064:
065: private static LocalEntityResolver ENTITY_RESOLVER = new LocalEntityResolver(
066: PUBLIC_ID, FILE_NAME);
067:
068: /**
069: * Hidden constructor, this class is not to be instantiated.
070: *
071: */
072: private DatabaseSpecificsConfigManager() {
073: // no op.
074: }
075:
076: /**
077: * Obtains the configuration for the specified database.
078: * @param database the name of the requested database.
079: * @return the configuration bean for the database.
080: */
081: public static final DatabaseSpecificsConfig getConfig(
082: String database) throws InternalErrorException {
083: return (DatabaseSpecificsConfig) ConfigurationManager
084: .getConfiguration(getConfigName(database),
085: RULES_FILE_NAME, ENTITY_RESOLVER);
086: }
087:
088: /**
089: * Obtains the configuration bean for the running database.
090: * @return the configuration bean for the running database.
091: */
092: public static final DatabaseSpecificsConfig getConfig()
093: throws InternalErrorException {
094: String runningDatabase = KernelConfigManager.getConfig()
095: .getKernelModelConfig().getDatabaseConfig()
096: .getRunningDatabase();
097: return getConfig(runningDatabase);
098: }
099:
100: private static final String getConfigName(String database) {
101: return CONFIG_NAME_PREFIX + database + CONFIG_NAME_SUFFIX;
102: }
103: }
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