| // Copyright 2004 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.bean; |
| |
| import org.apache.tapestry.IBeanProvider; |
| import org.apache.tapestry.IComponent; |
| import org.apache.tapestry.IResourceResolver; |
| import org.apache.tapestry.util.prop.OgnlUtils; |
| |
| /** |
| * |
| * Initializes a helper bean property from an OGNL expression (relative |
| * to the bean's {@link IComponent}). |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 2.2 |
| * |
| **/ |
| |
| public class ExpressionBeanInitializer extends AbstractBeanInitializer |
| { |
| protected String _expression; |
| |
| public void setBeanProperty(IBeanProvider provider, Object bean) |
| { |
| IResourceResolver resolver = provider.getResourceResolver(); |
| IComponent component = provider.getComponent(); |
| |
| Object value = OgnlUtils.get(_expression, resolver, component); |
| |
| setBeanProperty(resolver, bean, value); |
| } |
| |
| /** @since 3.0 **/ |
| |
| public String getExpression() |
| { |
| return _expression; |
| } |
| |
| /** @since 3.0 **/ |
| |
| public void setExpression(String expression) |
| { |
| _expression = expression; |
| } |
| |
| } |