| /* Copyright 2004-2005 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.codehaus.groovy.grails.validation; |
| |
| import org.springframework.validation.Errors; |
| /** |
| * Interface that defines a validatable constraint |
| * |
| * @author Graeme Rocher |
| * @since 10-Nov-2005 |
| */ |
| public interface Constraint { |
| /** |
| * Returns whether the constraint supports being applied against the specified type; |
| * |
| * @param type The type to support |
| * @return |
| */ |
| boolean supports(Class type); |
| /** |
| * Validate this constraint against a property value |
| * |
| * @param propertyValue The property value to validate |
| * @param errors The errors instance to record errors against |
| */ |
| void validate(Object propertyValue, Errors errors); |
| |
| /** |
| * The parameter which the constraint is validated against |
| * |
| * @param parameter |
| */ |
| void setParameter(Object parameter); |
| |
| /** |
| * The class the constraint applies to |
| * |
| * @param owningClass |
| */ |
| void setOwningClass(Class owningClass); |
| |
| /** |
| * The name of the property the constraint applies to |
| * |
| * @param propertyName |
| */ |
| void setPropertyName(String propertyName); |
| } |