/*******************************************************************************
* Copyright (c) 2005, 2015 IBM Corporation and others.
* 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 - initial API and implementation
*******************************************************************************/
package org.eclipse.core.databinding.validation;
import org.eclipse.core.runtime.IStatus;
/**
* A validator. This validator is responsible for determining if a given value
* is valid. Validators can be used on target or model values. For example, a
* String2IntValidator would only accept source Strings that can successfully be
* converted to an integer value, and a PositiveIntegerValidator would only
* accept positive integers.
*
* @since 1.0
*
*/
@FunctionalInterface
public interface IValidator {
/**
* Determines if the given value is valid.
*
* @param value
* the value to validate
* @return a status object indicating whether the validation succeeded
* {@link IStatus#isOK()} or not. Never null.
*/
public IStatus validate(Object value);
}