org.springframework.validation.Validator Maven / Gradle / Ivy
/*
* Copyright 2002-2004 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 org.springframework.validation;
/**
* Interface to be implemented by objects that can validate
* application-specific objects. This enables validation to
* be decoupled from the interface and placed in business objects.
* @author Rod Johnson
*/
public interface Validator {
/**
* Return whether or not this object can validate objects
* of the given class.
*/
boolean supports(Class clazz);
/**
* Validate an object, which must be of a class for which
* the supports() method returned true.
* @param obj Populated object to validate
* @param errors Errors object we're building. May contain
* errors for this field relating to types.
*/
void validate(Object obj, Errors errors);
}