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.translator;
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.AbstractBindingFactory;
023    
024    /**
025     * Uses the tapestry.form.translator.TranslatorBeanFactory service to obtain configured
026     * {@link org.apache.tapestry.form.translator.Translator} instances that are then wrapped as
027     * {@link org.apache.tapestry.form.translator.TranslatorBinding}s.
028     * 
029     * @author Howard Lewis Ship
030     * @since 4.0
031     */
032    public class TranslatorBindingFactory extends AbstractBindingFactory
033    {
034        private BeanFactory _translatorBeanFactory;
035    
036        public IBinding createBinding(IComponent root, String bindingDescription, String expression,
037                Location location)
038        {
039            try
040            {
041                Translator translator = (Translator) _translatorBeanFactory.get(expression);
042    
043                return new TranslatorBinding(bindingDescription, getValueConverter(), location,
044                        translator);
045            }
046            catch (Exception ex)
047            {
048                throw new ApplicationRuntimeException(ex.getMessage(), location, ex);
049            }
050        }
051    
052        public void setTranslatorBeanFactory(BeanFactory translatorBeanFactory)
053        {
054            _translatorBeanFactory = translatorBeanFactory;
055        }
056    }