| // Copyright 2009, 2010 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.tapestry5.internal.services; |
| |
| import org.apache.tapestry5.MarkupWriter; |
| import org.apache.tapestry5.json.JSONObject; |
| import org.apache.tapestry5.services.PartialMarkupRenderer; |
| |
| /** |
| * Terminator for the {@link org.apache.tapestry5.services.PartialMarkupRenderer} pipeline, which ultimately invokes |
| * {@link org.apache.tapestry5.internal.services.PageRenderQueue#renderPartial(org.apache.tapestry5.MarkupWriter, org.apache.tapestry5.json.JSONObject)} |
| * . |
| * |
| * @since 5.1.0.0 |
| */ |
| public class PartialMarkupRendererTerminator implements PartialMarkupRenderer |
| { |
| private final PageRenderQueue renderQueue; |
| |
| public PartialMarkupRendererTerminator(PageRenderQueue renderQueue) |
| { |
| this.renderQueue = renderQueue; |
| } |
| |
| public void renderMarkup(MarkupWriter writer, JSONObject reply) |
| { |
| // Ensure that whatever renders will do so inside a root element. |
| // Omitting this causes NPEs when rendering individual zones |
| // of a MultiZoneUpdate |
| |
| writer.element("partial-render-root-element"); |
| |
| renderQueue.renderPartial(writer, reply); |
| |
| writer.end(); |
| } |
| } |