| /* |
| * $Id$ |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.tiles.autotag.velocity.runtime; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Map; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.tiles.request.Request; |
| import org.apache.tiles.request.servlet.ServletUtil; |
| import org.apache.tiles.request.velocity.VelocityRequest; |
| import org.apache.velocity.context.InternalContextAdapter; |
| import org.apache.velocity.runtime.directive.Directive; |
| import org.apache.velocity.runtime.parser.node.Node; |
| import org.apache.velocity.tools.view.ViewContext; |
| |
| /** |
| * Base abstract directive for those models who need to evaluate and use a |
| * body. |
| * |
| * @version $Rev$ $Date$ |
| * @since 3.0.0 |
| */ |
| public abstract class BodylessDirective extends Directive { |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int getType() { |
| return LINE; |
| } |
| |
| /** {@inheritDoc} */ |
| |
| @Override |
| public boolean render(InternalContextAdapter context, Writer writer, Node node) |
| throws IOException { |
| ViewContext viewContext = (ViewContext) context |
| .getInternalUserContext(); |
| Map<String, Object> params = VelocityUtil.getParameters(context, node); |
| HttpServletRequest request = viewContext.getRequest(); |
| HttpServletResponse response = viewContext.getResponse(); |
| ServletContext servletContext = viewContext.getServletContext(); |
| Request currentRequest = VelocityRequest.createVelocityRequest( |
| ServletUtil.getApplicationContext(servletContext), request, |
| response, context, writer); |
| execute(params, currentRequest); |
| return true; |
| } |
| |
| /** |
| * Executes the directive. |
| * |
| * @param params The parameters. |
| * @param request The request. |
| * @throws IOException If something goes wrong. |
| */ |
| protected abstract void execute(Map<String, Object> params, |
| Request request) throws IOException; |
| } |