| // Copyright 2007 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; |
| |
| import org.apache.tapestry.MarkupWriter; |
| |
| /** |
| * Filter interface for {@link org.apache.tapestry.services.MarkupRenderer}, which allows for code to execute before |
| * and/or after the main rendering process. Typically, this is to allow for the placement of {@linkplain |
| * org.apache.tapestry.services.Environment environmental services}. |
| * |
| * @see org.apache.tapestry.services.TapestryModule#contributeMarkupRenderer(org.apache.tapestry.ioc.OrderedConfiguration, |
| * org.apache.tapestry.Asset, org.apache.tapestry.Asset, ValidationMessagesSource, |
| * org.apache.tapestry.ioc.services.SymbolSource, AssetSource) |
| */ |
| public interface MarkupRendererFilter |
| { |
| /** |
| * Implementations should perform work before or after passing the writer to the renderer. |
| * |
| * @param writer to which markup should be written |
| * @param renderer delegate to which the writer should be passed. |
| */ |
| void renderMarkup(MarkupWriter writer, MarkupRenderer renderer); |
| } |