| /* |
| * $Id$ |
| * |
| * 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 org.apache.tiles.Attribute; |
| import org.apache.tiles.TilesContainer; |
| import org.apache.tiles.request.Request; |
| |
| /** |
| * Resolves an attribute, depending on the given parameters. |
| * |
| * @version $Rev$ $Date$ |
| * @since 2.2.0 |
| */ |
| public interface AttributeResolver { |
| |
| /** |
| * Computes the attribute. |
| * |
| * @param container The Tiles container to use. |
| * @param attribute The attribute to return immediately, if not null. |
| * @param name The name of the attribute. |
| * @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 ignore If <code>true</code> if the computed attribute is null, this problem will be ignored. |
| * @param defaultValue The default value of the attribute. To use only if the attribute was not computed. |
| * @param defaultValueRole The default comma-separated list of roles. To use only if the attribute was not computed. |
| * @param defaultValueType The default type of the attribute. To use only if the attribute was not computed. |
| * @param request TODO |
| * @return The computed attribute. |
| * @since 2.2.0 |
| */ |
| Attribute computeAttribute(TilesContainer container, Attribute attribute, |
| String name, String role, boolean ignore, |
| Object defaultValue, String defaultValueRole, String defaultValueType, Request request); |
| } |