001/* 002 * #%L 003 * Netarchivesuite - common - test 004 * %% 005 * Copyright (C) 2005 - 2014 The Royal Danish Library, the Danish State and University Library, 006 * the National Library of France and the Austrian National Library. 007 * %% 008 * This program is free software: you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation, either version 2.1 of the 011 * License, or (at your option) any later version. 012 * 013 * This program is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU General Lesser Public License for more details. 017 * 018 * You should have received a copy of the GNU General Lesser Public 019 * License along with this program. If not, see 020 * <http://www.gnu.org/licenses/lgpl-2.1.html>. 021 * #L% 022 */ 023 024package dk.netarkivet.testutils.preconfigured; 025 026/** 027 * This class allows setting a system property temporarily. Do not attempt to set it to null, as that will break. 028 */ 029public class SetSystemProperty implements TestConfigurationIF { 030 private String oldValue; 031 private String property; 032 private String newValue; 033 034 public SetSystemProperty(String property, String newValue) { 035 this.property = property; 036 this.newValue = newValue; 037 } 038 039 public void setUp() { 040 oldValue = System.getProperty(property); 041 System.setProperty(property, newValue); 042 } 043 044 public void tearDown() { 045 if (oldValue != null) { 046 System.setProperty(property, oldValue); 047 } else { 048 System.clearProperty(property); 049 } 050 } 051}