/*******************************************************************************
* Copyright (c) 2004, 2012 BREDEX GmbH.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* BREDEX GmbH - initial API and implementation and/or initial documentation
*******************************************************************************/
package org.eclipse.jubula.client.core.functions;
import org.eclipse.jubula.tools.internal.exception.InvalidDataException;
import org.eclipse.jubula.tools.internal.messagehandling.MessageIDs;
/**
* Returns system property with propertyName as name.
*/
public class EnvironmentPropertyEvaluator extends AbstractFunctionEvaluator {
/**
* {@inheritDoc}
*/
public String evaluate(String[] arguments) throws InvalidDataException {
validateParamCount(arguments, 1);
try {
String key = arguments[0];
String envName = System.getenv(key);
if (envName == null) {
throw new InvalidDataException("no Property with this name!", //$NON-NLS-1$
MessageIDs.E_WRONG_PARAMETER_VALUE);
}
return envName;
} catch (SecurityException se) {
throw new InvalidDataException(se.getLocalizedMessage(),
MessageIDs.E_WRONG_PARAMETER_VALUE);
}
}
}