/**
* Copyright (C) 2012-2017 the original author or authors.
*
* 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.
*/
package ninja.validation;
import ninja.Context;
/**
* A validator for validating parameters
*
* @author James Roper
* @author Thibault Meyer
*/
public interface Validator<T> {
/**
* Validate the given value
*
* @param value The value, may be null
* @param field The name of the field being validated, if applicable
* @param context The Ninja request context
*/
void validate(T value, String field, Context context);
/**
* Get the type that this validator validates
*
* @return The type that the validator validates
*/
Class<T> getValidatedType();
}