| // 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; |
| |
| import java.util.Collection; |
| |
| /** |
| * An object that provides a component with access to helper beans. |
| * Helper beans are JavaBeans associated with a page or component |
| * that are used to extend the functionality of the component via |
| * aggregation. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 1.0.4 |
| **/ |
| |
| |
| public interface IBeanProvider |
| { |
| /** |
| * Returns the JavaBean with the specified name. The bean is created as needed. |
| * |
| * @throws ApplicationRuntimeException if no such bean is available. |
| * |
| **/ |
| |
| public Object getBean(String name); |
| |
| /** |
| * Returns the {@link IComponent} (which may be a |
| * {@link org.apache.tapestry.IPage}) for which |
| * this bean provider is providing beans. |
| * |
| * @since 1.0.5 |
| **/ |
| |
| public IComponent getComponent(); |
| |
| /** |
| * Returns a collection of the names of any beans which may |
| * be provided. |
| * |
| * @since 1.0.6 |
| * @see org.apache.tapestry.spec.IComponentSpecification#getBeanNames() |
| * |
| **/ |
| |
| public Collection getBeanNames(); |
| |
| /** |
| * Returns true if the provider can provide the named bean. |
| * |
| * @since 2.2 |
| * |
| **/ |
| |
| public boolean canProvideBean(String name); |
| |
| /** |
| * Returns a resource resolver. |
| * |
| * @since 1.0.8 |
| * |
| **/ |
| |
| public IResourceResolver getResourceResolver(); |
| |
| } |
| |