core/src/main/java/org/apache/karaf/webconsole/core/preferences/util/JdkPreferencesService.java

/*
 * 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 org.apache.karaf.webconsole.core.preferences.util;

import java.io.Serializable;

import org.osgi.service.prefs.Preferences;
import org.osgi.service.prefs.PreferencesService;

/**
 * Preferences service created on top of standard JDK implementation.
 */
public class JdkPreferencesService implements PreferencesService, Serializable /* for tests*/ {

    private static final long serialVersionUID = 1L;

    public Preferences getSystemPreferences() {
        return new JdkPreferences(java.util.prefs.Preferences.systemRoot());
    }

    public Preferences getUserPreferences(String name) {
        return new JdkPreferences(java.util.prefs.Preferences.userRoot());
    }

    public String[] getUsers() {
        return new String[] { System.getProperty("user.name") };
    }

}