| /* |
| |
| Derby - Class org.apache.derbyTesting.functionTests.harness.ManageSysProps |
| |
| 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.derbyTesting.functionTests.harness; |
| |
| import java.util.Enumeration; |
| import java.util.Properties; |
| |
| /* |
| ** |
| ** Keeps a copy of the system properties saved at a critical early |
| ** point during the running of the test harness. Uses this copy |
| ** to create new copies which can then be mussed up and thrown |
| ** away, as needed. |
| */ |
| |
| public class ManageSysProps |
| { |
| |
| private static Properties savedSysProps = null; |
| |
| public static void saveSysProps() { |
| Properties sp = System.getProperties(); |
| savedSysProps = new Properties(); |
| String key = null; |
| for (Enumeration e = sp.propertyNames(); e.hasMoreElements();) { |
| key = (String)e.nextElement(); |
| savedSysProps.put(key, sp.getProperty(key)); |
| } |
| } |
| |
| // reset the system properties to prevent confusion |
| // when running with java threads |
| public static void resetSysProps() { |
| String key = null; |
| Properties nup = new Properties(); |
| for (Enumeration e = savedSysProps.propertyNames(); e.hasMoreElements();) { |
| key = (String)e.nextElement(); |
| nup.put(key, savedSysProps.getProperty(key)); |
| } |
| System.setProperties(nup); |
| } |
| } |