| /* |
| * $Id$ |
| * |
| * 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.template; |
| |
| import java.io.IOException; |
| import java.util.Deque; |
| |
| import org.apache.tiles.ListAttribute; |
| import org.apache.tiles.autotag.core.runtime.ModelBody; |
| import org.apache.tiles.request.Request; |
| |
| /** |
| * <p> |
| * <strong>Declare a list that will be pass as an attribute. </strong> |
| * </p> |
| * <p> |
| * Declare a list that will be pass as an attribute . List elements are added |
| * using the tag 'addAttribute' or 'addListAttribute'. This tag can only be used |
| * inside 'insertTemplate', 'insertDefinition' or 'definition' tag. |
| * </p> |
| * |
| * @version $Rev$ $Date$ |
| * @since 2.2.0 |
| */ |
| public class AddListAttributeModel { |
| |
| /** |
| * Executes the model. |
| * |
| * @param role The comma-separated list of roles that can use the list attribute. |
| * @param request The request. |
| * @param modelBody The body. |
| * @throws IOException If the body cannot be evaluated. |
| */ |
| public void execute(String role, Request request, ModelBody modelBody) throws IOException { |
| Deque<Object> composeStack = ComposeStackUtil.getComposeStack(request); |
| ListAttribute listAttribute = new ListAttribute(); |
| listAttribute.setRole(role); |
| composeStack.push(listAttribute); |
| modelBody.evaluateWithoutWriting(); |
| listAttribute = (ListAttribute) composeStack.pop(); |
| ListAttribute parent = (ListAttribute) composeStack.peek(); |
| parent.add(listAttribute); |
| } |
| } |