| // 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.util; |
| |
| import java.util.MissingResourceException; |
| import java.util.ResourceBundle; |
| |
| import org.apache.tapestry.engine.IPropertySource; |
| |
| /** |
| * A property source that is based on a {@link java.util.ResourceBundle}. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| |
| public class ResourceBundlePropertySource implements IPropertySource |
| { |
| private ResourceBundle _bundle; |
| |
| public ResourceBundlePropertySource(ResourceBundle bundle) |
| { |
| _bundle = bundle; |
| } |
| |
| /** |
| * Gets the value from the bundle by invoking |
| * {@link ResourceBundle#getString(java.lang.String)}. If |
| * the bundle does not contain the key (that is, it it |
| * throws {@link java.util.MissingResourceException}), then |
| * null is returned. |
| * |
| **/ |
| |
| public String getPropertyValue(String propertyName) |
| { |
| try |
| { |
| return _bundle.getString(propertyName); |
| } |
| catch (MissingResourceException ex) |
| { |
| return null; |
| } |
| } |
| |
| } |