jcckit.util.PropertiesBasedConfigData Maven / Gradle / Ivy
/*
* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* 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 Lesser General Public License for more details
* (http://www.gnu.org/copyleft/lesser.html).
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcckit.util;
import java.util.Properties;
/**
* Implementation of {@link FlatConfigData} based on
* java.util.Properties.
*
* @author Franz-Josef Elmer
*/
public class PropertiesBasedConfigData extends FlatConfigData {
private final Properties _properties;
/**
* Creates an instance based on the specified properties.
* The path is undefined.
*/
public PropertiesBasedConfigData(Properties properties) {
this(properties, null);
}
/** Creates an instance based on the specified properties and path. */
private PropertiesBasedConfigData(Properties properties, String path) {
super(path);
_properties = properties;
}
/**
* Returns the value for the specified full key. The call will be delegated
* to the wrapped java.util.properties object.
* @param fullKey The full key including path. null is not allowed.
* @return the value or null if not found.
*/
protected String getValue(String fullKey) {
return _properties.getProperty(fullKey);
}
/**
* Returns a new instance of PropertiesBasedConfigData
* for the specified full path. The wrapped java.util.Properties
* will be the same as of this instance.
* @param path The full path.
* @return a new instance.
*/
protected ConfigData createConfigData(String path) {
return new PropertiesBasedConfigData(_properties, path);
}
}