/*
* Copyright (C) 2012 Jason Gedge <http://www.gedge.ca>
*
* This file is part of the OpGraph project.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package ca.gedge.opgraph.validators;
/**
* An interface for classes who want to provide validation on objects.
*/
public interface TypeValidator {
/**
* Gets whether or not this validator accepts a given object.
*
* @param obj the object to check
*
* @return <code>true</code> if this validator accepts the given object,
* <code>false</code> otherwise
*/
public abstract boolean isAcceptable(Object obj);
/**
* Gets whether or not this validator can potentially accept instances
* of a given class.
*
* @param cls the class to check
*
* @return <code>true</code> if this validator <em>map</em> accept the
* given class, <code>false</code> otherwise
*
* @throws NullPointerException if the specified class is <code>null</code>
*/
public abstract boolean isAcceptable(Class<?> cls);
}