| /* |
| * $Id$ |
| * |
| * 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.AttributeContext; |
| import org.apache.tiles.Definition; |
| import org.apache.tiles.ListAttribute; |
| import org.apache.tiles.TilesContainer; |
| import org.apache.tiles.access.TilesAccess; |
| import org.apache.tiles.autotag.core.runtime.ModelBody; |
| import org.apache.tiles.autotag.core.runtime.annotation.Parameter; |
| import org.apache.tiles.request.Request; |
| |
| /** |
| * <p> |
| * <strong>Declare a list that will be pass as attribute to tile. </strong> |
| * </p> |
| * <p> |
| * Declare a list that will be pass as attribute to tile. List elements are |
| * added using the tags 'addAttribute' or 'addListAttribute'. This tag can only |
| * be used inside 'insertTemplate', 'insertDefinition', 'definition' tags. |
| * </p> |
| * |
| * @version $Rev$ $Date$ |
| * @since 2.2.0 |
| */ |
| public class PutListAttributeModel { |
| |
| /** |
| * Executes the model. |
| * |
| * @param name The name of the attribute to put. |
| * @param role A comma-separated list of roles. If present, the attribute |
| * will be rendered only if the current user belongs to one of the roles. |
| * @param inherit If <code>true</code>, the list attribute will use, as first elements, the |
| * list contained in the list attribute, put with the same name, of the containing definition. |
| * @param cascade If <code>true</code> the attribute will be cascaded to all nested attributes. |
| * @param request The request. |
| * @param modelBody The body. |
| * @throws IOException If the body cannot be evaluated. |
| */ |
| public void execute(@Parameter(required = true) String name, String role, |
| boolean inherit, boolean cascade, Request request, |
| ModelBody modelBody) throws IOException { |
| Deque<Object> composeStack = ComposeStackUtil.getComposeStack(request); |
| ListAttribute listAttribute = new ListAttribute(); |
| listAttribute.setRole(role); |
| listAttribute.setInherit(inherit); |
| composeStack.push(listAttribute); |
| modelBody.evaluateWithoutWriting(); |
| TilesContainer container = TilesAccess.getCurrentContainer(request); |
| listAttribute = (ListAttribute) composeStack.pop(); |
| AttributeContext attributeContext = null; |
| if (!composeStack.isEmpty()) { |
| Object obj = composeStack.peek(); |
| if (obj instanceof Definition) { |
| attributeContext = (AttributeContext) obj; |
| } |
| } |
| if (attributeContext == null) { |
| attributeContext = container.getAttributeContext(request); |
| } |
| attributeContext.putAttribute(name, listAttribute, cascade); |
| } |
| } |