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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* 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:
* IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.structures.validators;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.linuxtools.systemtap.ui.structures.internal.Localization;
public class ConditionalExpressionValidator implements IInputValidator {
/**
* Determines whether or not the string is valid within the contraints.
*
* @param s The string to check.
*
* @return The return message.
*/
public String isValid(String s) {
if(null == s)
return Localization.getString("ConditionalExpressionValidator.NotNull");
if(!s.startsWith("if"))
return Localization.getString("ConditionalExpressionValidator.StartWithIf");
if(!s.contains("("))
return Localization.getString("ConditionalExpressionValidator.MustContain");
if(!s.endsWith(")"))
return Localization.getString("ConditionalExpressionValidator.MustEndWith");
if(s.length() < 5)
return Localization.getString("ConditionalExpressionValidator.MustEnterSomething");
return null;
}
}
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