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/*
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);
}
}
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