1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.el.unified.resolver.implicitobject;
20
21 import javax.el.ELContext;
22 import java.beans.FeatureDescriptor;
23 import java.util.Map;
24 import javax.faces.context.FacesContext;
25
26 /**
27 * Encapsulates information needed by the ImplicitObjectResolver
28 *
29 * @author Leonardo Uribe
30 */
31 public class FlowScopeImplicitObject extends ImplicitObject
32 {
33
34 private static final String NAME = "flowScope";
35
36 /** Creates a new instance of FlowScopeImplicitObject */
37 public FlowScopeImplicitObject()
38 {
39 }
40
41 @Override
42 public Object getValue(ELContext context)
43 {
44 FacesContext facesContext = facesContext(context);
45 return facesContext.getApplication().getFlowHandler().getCurrentFlowScope();
46 }
47
48 @Override
49 public String getName()
50 {
51 return NAME;
52 }
53
54 @Override
55 public Class<?> getType()
56 {
57 return null;
58 }
59
60 @Override
61 public FeatureDescriptor getDescriptor()
62 {
63 return makeDescriptor(NAME, "Flow scope attributes", Map.class);
64 }
65
66 }