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.valid; 016 017 import org.apache.hivemind.Location; 018 import org.apache.hivemind.util.Defense; 019 import org.apache.tapestry.binding.AbstractBinding; 020 import org.apache.tapestry.coerce.ValueConverter; 021 022 /** 023 * Implementation of {@link IBinding} that provides {@link org.apache.tapestry.valid.IValidator} 024 * instances based on a validator bean descriptor. The descriptor is of the form 025 * "type[,properties]". The types are values such as "string", "date" or "number" defined in the 026 * tapestry.valid.Validators configuration point. The properties are a properties initialization 027 * string. 028 * 029 * @author Howard M. Lewis Ship 030 * @since 4.0 031 * @see org.apache.hivemind.util.PropertyUtils#configureProperties(java.lang.Object, 032 * java.lang.String) 033 */ 034 public class ValidatorBinding extends AbstractBinding 035 { 036 private final IValidator _validator; 037 038 public ValidatorBinding(String description, ValueConverter valueConverter, Location location, 039 IValidator validator) 040 { 041 super(description, valueConverter, location); 042 043 Defense.notNull(validator, "validator"); 044 045 _validator = validator; 046 } 047 048 public Object getObject() 049 { 050 return _validator; 051 } 052 053 }