/**
* Copyright (C) 2012-2017 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* - Apache License, version 2.0
* - Apache Software License, version 1.0
* - GNU Lesser General Public License, version 3
* - Mozilla Public License, versions 1.0, 1.1 and 2.0
* - Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*/
package org.n52.sos.service;
import javax.servlet.ServletContext;
import org.n52.sos.util.AbstractServletContextPropertyFileHandler;
/**
* @since 4.0.0
*
*/
public class DatabaseSettingsHandler extends AbstractServletContextPropertyFileHandler {
public static final String INIT_PARAM_DATA_SOURCE_CONFIG_LOCATION = "datasourceConfigLocation";
private static DatabaseSettingsHandler instance;
public static synchronized DatabaseSettingsHandler getInstance() {
if (instance == null) {
throw new IllegalStateException("Not yet initialized");
}
return instance;
}
public static synchronized DatabaseSettingsHandler getInstance(ServletContext ctx) {
if (instance == null) {
instance = new DatabaseSettingsHandler(ctx);
}
return instance;
}
private DatabaseSettingsHandler(ServletContext ctx) {
super(ctx, ctx.getInitParameter(INIT_PARAM_DATA_SOURCE_CONFIG_LOCATION));
}
}