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.ApplicationRuntimeException; 018 import org.apache.hivemind.Location; 019 import org.apache.hivemind.lib.BeanFactory; 020 import org.apache.tapestry.IBinding; 021 import org.apache.tapestry.IComponent; 022 import org.apache.tapestry.binding.BindingFactory; 023 import org.apache.tapestry.coerce.ValueConverter; 024 025 /** 026 * Uses the tapestry.valid.ValidatorBeanFactory service to obtain configuration IValidator 027 * instances. 028 * 029 * @author Howard M. Lewis Ship 030 * @since 4.0 031 * @see org.apache.tapestry.valid.ValidatorBinding 032 */ 033 public class ValidatorBindingFactory implements BindingFactory 034 { 035 private BeanFactory _validatorBeanFactory; 036 037 private ValueConverter _valueConverter; 038 039 public void setValidatorBeanFactory(BeanFactory validatorBeanFactory) 040 { 041 _validatorBeanFactory = validatorBeanFactory; 042 } 043 044 public void setValueConverter(ValueConverter valueConverter) 045 { 046 _valueConverter = valueConverter; 047 } 048 049 /** 050 * Creates and returns a {@link ValidatorBinding}. Interprets the path as a bean initializer, 051 * used to locate a particular type of validator and a particular configuration of its 052 * properties. 053 */ 054 055 public IBinding createBinding(IComponent root, String bindingDescription, String path, 056 Location location) 057 { 058 try 059 { 060 IValidator validator = (IValidator) _validatorBeanFactory.get(path); 061 062 return new ValidatorBinding(bindingDescription, _valueConverter, location, validator); 063 } 064 catch (Exception ex) 065 { 066 throw new ApplicationRuntimeException(ex.getMessage(), location, ex); 067 } 068 } 069 070 }