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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2013 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube 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 3 of the License, or (at your option) any later version.
*
* SonarQube 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.config;
import org.sonar.api.ServerExtension;
import javax.annotation.Nullable;
/**
* Observe changes of global properties done from web application. It does not support :
* <ul>
* <li>changes done by end-users from the page "Project Settings"</li>
* <li>changes done programmatically on the component org.sonar.api.config.Settings</li>
* <li>changes done when restoring settings from XML using backup/restore feature</li>
* </ul>
*
* @since 3.0
*/
public abstract class GlobalPropertyChangeHandler implements ServerExtension {
public static final class PropertyChange {
private String key;
private String newValue;
private PropertyChange(String key, @Nullable String newValue) {
this.key = key;
this.newValue = newValue;
}
public static PropertyChange create(String key, @Nullable String newValue) {
return new PropertyChange(key, newValue);
}
public String getKey() {
return key;
}
public String getNewValue() {
return newValue;
}
@Override
public String toString() {
return String.format("[key=%s, newValue=%s]", key, newValue);
}
}
/**
* This method gets called when a property is changed.
*/
public abstract void onChange(PropertyChange change);
}
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