001 // Copyright 2005 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.tapestry.form.validator; 016 017 import java.util.Date; 018 019 import org.apache.tapestry.form.IFormComponent; 020 import org.apache.tapestry.form.ValidationMessages; 021 import org.apache.tapestry.valid.ValidationConstraint; 022 import org.apache.tapestry.valid.ValidationStrings; 023 import org.apache.tapestry.valid.ValidatorException; 024 025 /** 026 * Validates that the object, a Date, is not after a set maximum. 027 * 028 * @author Howard Lewis Ship 029 * @since 4.0 030 */ 031 public class MaxDate extends BaseValidator 032 { 033 private Date _maxDate; 034 035 public MaxDate() 036 { 037 } 038 039 public MaxDate(String initializer) 040 { 041 super(initializer); 042 } 043 044 public void validate(IFormComponent field, ValidationMessages messages, Object object) 045 throws ValidatorException 046 { 047 Date date = (Date) object; 048 049 if (date.after(_maxDate)) 050 throw new ValidatorException(buildMessage(messages, field), 051 ValidationConstraint.TOO_LARGE); 052 053 } 054 055 private String buildMessage(ValidationMessages messages, IFormComponent field) 056 { 057 return messages.formatValidationMessage( 058 getMessage(), 059 ValidationStrings.DATE_TOO_LATE, 060 new Object[] 061 { field.getDisplayName(), _maxDate }); 062 } 063 064 public void setMaxDate(Date minDate) 065 { 066 _maxDate = minDate; 067 } 068 069 }