    001    // Copyright 2010 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    // http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.validator;
    016
    017    import org.apache.tapestry5.Field;
    018    import org.apache.tapestry5.MarkupWriter;
    019    import org.apache.tapestry5.ValidationException;
    020    import org.apache.tapestry5.ioc.MessageFormatter;
    021    import org.apache.tapestry5.services.FormSupport;
    022
    023    public class None extends AbstractValidator<Void, Object>
    024    {
    025        public None()
    026        {
    027            super(null, Object.class, "required");
    028        }
    029
    030        /** Does nothing. */
    031        public void render(Field field, Void constraintValue, MessageFormatter formatter, MarkupWriter writer,
    032                FormSupport formSupport)
    033        {
    034        }
    035
    036        /** Does nothing. */
    037        public void validate(Field field, Void constraintValue, MessageFormatter formatter, Object value)
    038                throws ValidationException
    039        {
    040        }
    041    }