| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| SessionScopeExtractor |
|
| 2.6;2.6 |
| 1 | /* | |
| 2 | * $Id: SessionScopeExtractor.java 1066790 2011-02-03 12:06:20Z apetrelli $ | |
| 3 | * | |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 5 | * or more contributor license agreements. See the NOTICE file | |
| 6 | * distributed with this work for additional information | |
| 7 | * regarding copyright ownership. The ASF licenses this file | |
| 8 | * to you under the Apache License, Version 2.0 (the | |
| 9 | * "License"); you may not use this file except in compliance | |
| 10 | * with the License. You may obtain a copy of the License at | |
| 11 | * | |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 | * | |
| 14 | * Unless required by applicable law or agreed to in writing, | |
| 15 | * software distributed under the License is distributed on an | |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 17 | * KIND, either express or implied. See the License for the | |
| 18 | * specific language governing permissions and limitations | |
| 19 | * under the License. | |
| 20 | */ | |
| 21 | package org.apache.tiles.request.jsp.extractor; | |
| 22 | ||
| 23 | import java.util.Enumeration; | |
| 24 | ||
| 25 | import javax.servlet.jsp.PageContext; | |
| 26 | ||
| 27 | import org.apache.tiles.request.attribute.AttributeExtractor; | |
| 28 | ||
| 29 | /** | |
| 30 | * Extracts attributes from session scope from {@link PageContext}. | |
| 31 | * | |
| 32 | * @version $Rev: 1066790 $ $Date: 2011-02-03 23:06:20 +1100 (Thu, 03 Feb 2011) $ | |
| 33 | */ | |
| 34 | public class SessionScopeExtractor implements AttributeExtractor { | |
| 35 | ||
| 36 | /** | |
| 37 | * The page context. | |
| 38 | */ | |
| 39 | private PageContext context; | |
| 40 | ||
| 41 | /** | |
| 42 | * Constructor. | |
| 43 | * | |
| 44 | * @param context The page context. | |
| 45 | */ | |
| 46 | 9 | public SessionScopeExtractor(PageContext context) { |
| 47 | 9 | this.context = context; |
| 48 | 9 | } |
| 49 | ||
| 50 | @Override | |
| 51 | public void removeValue(String name) { | |
| 52 | 2 | if (context.getSession() == null) { |
| 53 | 1 | return; |
| 54 | } | |
| 55 | 1 | context.removeAttribute(name, PageContext.SESSION_SCOPE); |
| 56 | 1 | } |
| 57 | ||
| 58 | @Override | |
| 59 | public Enumeration<String> getKeys() { | |
| 60 | 2 | if (context.getSession() == null) { |
| 61 | 1 | return null; |
| 62 | } | |
| 63 | 1 | return context.getAttributeNamesInScope(PageContext.SESSION_SCOPE); |
| 64 | } | |
| 65 | ||
| 66 | @Override | |
| 67 | public Object getValue(String key) { | |
| 68 | 2 | if (context.getSession() == null) { |
| 69 | 1 | return null; |
| 70 | } | |
| 71 | 1 | return context.getAttribute(key, PageContext.SESSION_SCOPE); |
| 72 | } | |
| 73 | ||
| 74 | @Override | |
| 75 | public void setValue(String key, Object value) { | |
| 76 | 2 | if (context.getSession() == null) { |
| 77 | 1 | return; |
| 78 | } | |
| 79 | 1 | context.setAttribute(key, value, PageContext.SESSION_SCOPE); |
| 80 | 1 | } |
| 81 | } |