| // Copyright 2005 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.services.impl; |
| |
| import org.apache.hivemind.Location; |
| import org.apache.hivemind.internal.Module; |
| import org.apache.hivemind.schema.Translator; |
| |
| /** |
| * Service <code>tapestry.DeferredObjectTranslator</code>, which is used to encapsulate the |
| * ObjectTranslator and return {@link org.apache.tapestry.services.impl.DeferredObjectImpl}instances. |
| * These allow the translator to <em>not be executed until (and unless) |
| * the value is needed</em>, |
| * with the added expense that you have to de-referrence the |
| * {@link org.apache.tapestry.services.impl.DeferredObjectImpl}. |
| * |
| * @author Howard M. Lewis Ship |
| * @since 4.0 |
| */ |
| public class DeferredObjectTranslator implements Translator |
| { |
| private Translator _objectTranslator; |
| |
| public Object translate(Module module, Class propertyType, String inputValue, Location location) |
| { |
| return new DeferredObjectImpl(_objectTranslator, module, inputValue, location); |
| } |
| |
| public void setObjectTranslator(Translator objectTranslator) |
| { |
| _objectTranslator = objectTranslator; |
| } |
| } |