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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.config.impl.digester.elements;
20  
21  import java.io.Serializable;
22  import java.util.ArrayList;
23  import java.util.Collection;
24  import java.util.List;
25  
26  import javax.el.ValueExpression;
27  import javax.faces.context.FacesContext;
28  
29  import org.apache.myfaces.shared.util.ClassUtils;
30  import org.apache.myfaces.view.facelets.el.ELText;
31  
32  
33  /**
34   * @author <a href="mailto:oliver@rossmueller.com">Oliver Rossmueller</a>
35   */
36  public class ManagedBean extends org.apache.myfaces.config.element.ManagedBean implements Serializable
37  {
38  
39      private String description;
40      private String name;
41      private String beanClassName;
42      private Class<?> beanClass;
43      private String scope;
44      private List<org.apache.myfaces.config.element.ManagedProperty> property
45              = new ArrayList<org.apache.myfaces.config.element.ManagedProperty>();
46      private org.apache.myfaces.config.element.MapEntries mapEntries;
47      private org.apache.myfaces.config.element.ListEntries listEntries;
48      private ValueExpression scopeValueExpression;
49      private String eager;
50  
51      public int getInitMode()
52      {
53          if (mapEntries != null)
54          {
55              return INIT_MODE_MAP;
56          }
57          if (listEntries != null)
58          {
59              return INIT_MODE_LIST;
60          }
61          if (! property.isEmpty())
62          {
63              return INIT_MODE_PROPERTIES;
64          }
65          return INIT_MODE_NO_INIT;
66      }
67  
68  
69  
70      public org.apache.myfaces.config.element.MapEntries getMapEntries()
71      {
72          return mapEntries;
73      }
74  
75  
76      public void setMapEntries(org.apache.myfaces.config.element.MapEntries mapEntries)
77      {
78          this.mapEntries = mapEntries;
79      }
80  
81  
82      public org.apache.myfaces.config.element.ListEntries getListEntries()
83      {
84          return listEntries;
85      }
86  
87  
88      public void setListEntries(org.apache.myfaces.config.element.ListEntries listEntries)
89      {
90          this.listEntries = listEntries;
91      }
92  
93  
94      public String getDescription()
95      {
96          return description;
97      }
98      
99      public void setDescription(String description)
100     {
101         this.description = description;
102     }
103     
104     public String getManagedBeanName()
105     {
106         return name;
107     }
108 
109 
110     public void setName(String name)
111     {
112         this.name = name;
113     }
114 
115 
116     public String getManagedBeanClassName()
117     {
118         return beanClassName;
119     }
120 
121 
122     public Class<?> getManagedBeanClass()
123     {
124         if (beanClassName == null)
125         {
126             return null;
127         }
128         
129         if (beanClass == null)
130         {
131             beanClass = ClassUtils.simpleClassForName(beanClassName);
132         }
133         
134         return beanClass;
135     }
136 
137 
138     public void setBeanClass(String beanClass)
139     {
140         this.beanClassName = beanClass;
141     }
142 
143 
144     public String getManagedBeanScope()
145     {
146         return scope;
147     }
148 
149 
150     public void setScope(String scope)
151     {
152         this.scope = scope;
153     }
154 
155 
156     public void addProperty(org.apache.myfaces.config.element.ManagedProperty value)
157     {
158         property.add(value);
159     }
160 
161 
162     public Collection<? extends org.apache.myfaces.config.element.ManagedProperty> getManagedProperties()
163     {
164         return property;
165     }
166     
167     public boolean isManagedBeanScopeValueExpression()
168     {
169         return (scope != null) 
170                    && (scopeValueExpression != null || !ELText.isLiteral(scope));
171     }
172     
173     public ValueExpression getManagedBeanScopeValueExpression(FacesContext facesContext)
174     {
175         if (scopeValueExpression == null)
176         {
177             // we need to set the expected type to Object, because we have to generate a 
178             // Exception text with the actual value and the actual type of the expression,
179             // if the expression does not resolve to java.util.Map
180             scopeValueExpression = 
181                 isManagedBeanScopeValueExpression()
182                 ? facesContext.getApplication().getExpressionFactory()
183                         .createValueExpression(facesContext.getELContext(), scope, Object.class)
184                 : null;
185         }
186         return scopeValueExpression;
187     }
188 
189     public String getEager()
190     {
191         return eager;
192     }
193     
194     public void setEager(String eager)
195     {
196         this.eager = eager;
197     }
198     
199 }