001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020package org.sonar.server.platform;
021
022import org.apache.commons.configuration.Configuration;
023import org.sonar.api.config.GlobalPropertyChangeHandler;
024
025import javax.annotation.Nullable;
026import java.util.Collections;
027import java.util.List;
028
029/**
030 * Update cache of global settings (see org.sonar.api.config.Settings) and notify org.sonar.api.config.GlobalPropertyChangeHandler extensions
031 *
032 * @since 3.0
033 */
034public class GlobalSettingsUpdater {
035  private ServerSettings settings;
036  private Configuration deprecatedConf;
037  private List<GlobalPropertyChangeHandler> changeHandlers;
038
039  public GlobalSettingsUpdater(ServerSettings settings, Configuration config, List<GlobalPropertyChangeHandler> changeHandlers) {
040    this.settings = settings;
041    this.deprecatedConf = config;
042    this.changeHandlers = changeHandlers;
043  }
044
045  public GlobalSettingsUpdater(ServerSettings settings, Configuration config) {
046    this(settings, config, Collections.<GlobalPropertyChangeHandler>emptyList());
047  }
048
049  public void setProperty(String key, @Nullable String value) {
050    settings.setProperty(key, value);
051    deprecatedConf.setProperty(key, value);
052
053    GlobalPropertyChangeHandler.PropertyChange change = GlobalPropertyChangeHandler.PropertyChange.create(key, value);
054    for (GlobalPropertyChangeHandler changeHandler : changeHandlers) {
055      changeHandler.onChange(change);
056    }
057  }
058}