001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.bean.validation;
018
019import java.lang.annotation.Annotation;
020
021import javax.validation.Validator;
022import javax.validation.metadata.ConstraintDescriptor;
023
024import org.apache.wicket.markup.html.form.FormComponent;
025
026/**
027 * A read-only view of {@link BeanValidationConfiguration} that can be retrieved by components to
028 * access the validator and other helpers.
029 * 
030 * @see BeanValidationConfiguration#get()
031 * 
032 * @author igor
033 * 
034 */
035public interface BeanValidationContext extends IPropertyResolver
036{
037
038        /**
039         * Gets the tag modifier for the specified annotation type
040         * 
041         * @param annotationType
042         * @return tag modifier or {@code null} if none
043         */
044        <T extends Annotation> ITagModifier<T> getTagModifier(Class<T> annotationType);
045
046        /**
047         * @return the validator
048         */
049        Validator getValidator();
050
051        /**
052         * @return the violation translator
053         */
054        IViolationTranslator getViolationTranslator();
055
056        /**
057         * Resolve the property for a component.
058         * 
059         * @param component component
060         */
061        @Override
062        Property resolveProperty(FormComponent<?> component);
063        
064        /**
065         * Does the given constraint make a component required.
066         * 
067         * @param constraint constraint
068         * @return <code>true</code> if required
069         */
070        boolean isRequiredConstraint(ConstraintDescriptor<?> constraint);
071}