/* * Copyright (c) 2005-2011 Grameen Foundation USA * All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. See the License for the specific language governing * permissions and limitations under the License. * * See also http://www.apache.org/licenses/LICENSE-2.0.html for an * explanation of the license and how it is applied. */ package org.mifos.framework.formulaic; public class IsInstanceValidator extends BaseValidator { public static final String WRONG_TYPE_ERROR = "errors.formulaic.IsInstanceValidator.wrongtype"; Class rightClass; public IsInstanceValidator(Class rightClass) { assert rightClass != null; this.rightClass = rightClass; } @Override public Object validate(Object value) throws ValidationError { checkNull(value); if (rightClass.isInstance(value)) { return value; } else { throw makeError(value, ErrorType.WRONG_TYPE); } } }