/*******************************************************************************
* 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;
/**
* Trim deletes all whitespaces from start and end of a String.
*/
public class Trim extends AbstractFunctionEvaluator {
@Override
public String evaluate(String[] arguments) throws InvalidDataException {
try {
validateParamCount(arguments, 1);
String string = arguments[0];
return string.trim();
} catch (IllegalArgumentException e) {
throw new InvalidDataException(e.getLocalizedMessage(),
MessageIDs.E_FUNCTION_EVAL_ERROR);
}
}
}