| /* |
| * $Id$ |
| * |
| * 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; |
| |
| import javax.servlet.jsp.PageContext; |
| import java.util.Map; |
| import java.util.Iterator; |
| |
| /** |
| * Encapsulation of the current state of execution. |
| * |
| * @since Tiles 2.0 |
| * @version $Rev$ $Date$ |
| */ |
| public interface ComponentContext { |
| |
| /** |
| * Add all attributes to the context. |
| * |
| * @param newAttributes the attributes to be added. |
| */ |
| void addAll(Map<String, ComponentAttribute> newAttributes); |
| |
| /** |
| * Add all attributes to the context |
| * |
| * @param defaultAttributes attributes which should be present. |
| */ |
| void addMissing(Map<String, ComponentAttribute> defaultAttributes); |
| |
| /** |
| * Retrieve the named attribute. |
| * |
| * @param name key name for the attribute. |
| * @return ComponentAttribute associated with the given name. |
| */ |
| ComponentAttribute getAttribute(String name); |
| |
| /** |
| * Iterator of all attribute names. |
| * |
| * @return iterator of all names. |
| */ |
| Iterator<String> getAttributeNames(); |
| |
| /** |
| * Add the specified attribute. |
| * |
| * @param name name of the attribute |
| * @param value value of the attribute |
| */ |
| void putAttribute(String name, ComponentAttribute value); |
| |
| /** |
| * Find the attribute |
| * |
| * @param beanName name of the bean |
| * @param pageContext current pageContext. |
| * @return search for the attribute in one of the scopes. |
| */ |
| ComponentAttribute findAttribute(String beanName, PageContext pageContext); |
| |
| /** |
| * Find the named attribute. |
| * |
| * @param beanName name of the bean |
| * @param scope scope of the bean |
| * @param pageContext current pageContext |
| * @return component attribute - if found. |
| */ |
| ComponentAttribute getAttribute( |
| String beanName, |
| int scope, |
| PageContext pageContext); |
| |
| /** |
| * Clear the attributes |
| */ |
| void clear(); |
| } |