java.util.prefs.PreferencesFactory Maven / Gradle / Ivy
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package java.util.prefs;
/**
* This interface is used by the {@link Preferences} class as factory class to
* create {@code Preferences} instances. This interface can be implemented and
* installed to replace the default preferences implementation.
*
* @see java.util.prefs.Preferences
*
* @since 1.4
*/
public interface PreferencesFactory {
/**
* Returns the root node of the preferences hierarchy for the calling user
* context.
*
* @return the user preferences hierarchy root node.
*/
Preferences userRoot();
/**
* Returns the root node of the system preferences hierarchy.
*
* @return the system preferences hierarchy root node.
*/
Preferences systemRoot();
}