| /* |
| * $Id$ |
| * |
| * 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.ognl; |
| |
| import java.util.Map; |
| |
| import ognl.OgnlContext; |
| import ognl.PropertyAccessor; |
| |
| import org.apache.tiles.request.Request; |
| |
| /** |
| * Accesses a scope. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class ScopePropertyAccessor implements PropertyAccessor { |
| |
| /** |
| * The length of the scope suffix: "Scope". |
| */ |
| static final int SCOPE_SUFFIX_LENGTH = 5; |
| |
| @Override |
| public Object getProperty(@SuppressWarnings("rawtypes") Map context, Object target, Object name) { |
| Request request = (Request) target; |
| String scope = (String) name; |
| if (scope.endsWith("Scope")) { |
| String scopeName = scope.substring(0, scope.length() - SCOPE_SUFFIX_LENGTH); |
| return request.getContext(scopeName); |
| } |
| return null; |
| } |
| |
| @Override |
| public String getSourceAccessor(OgnlContext context, Object target, |
| Object index) { |
| String scope = (String) index; |
| if (scope.endsWith("Scope")) { |
| String scopeName = scope.substring(0, scope.length() - SCOPE_SUFFIX_LENGTH); |
| return ".getContext(\"" + scopeName + "\")"; |
| } |
| return null; |
| } |
| |
| @Override |
| public String getSourceSetter(OgnlContext context, Object target, |
| Object index) { |
| return null; |
| } |
| |
| @Override |
| public void setProperty(@SuppressWarnings("rawtypes") Map context, Object target, Object name, |
| Object value) { |
| // Does nothing. |
| } |
| |
| } |