Coverage Report - org.apache.commons.scxml.env.faces.SessionContext

Classes in this File Line Coverage Branch Coverage Complexity
SessionContext
33% 
33% 
1.75

 1  
 /*
 2  
  *
 3  
  *   Copyright 2005 The Apache Software Foundation.
 4  
  *
 5  
  *  Licensed under the Apache License, Version 2.0 (the "License");
 6  
  *  you may not use this file except in compliance with the License.
 7  
  *  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  *  Unless required by applicable law or agreed to in writing, software
 12  
  *  distributed under the License is distributed on an "AS IS" BASIS,
 13  
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  *  See the License for the specific language governing permissions and
 15  
  *  limitations under the License.
 16  
  *
 17  
  */
 18  
 package org.apache.commons.scxml.env.faces;
 19  
 
 20  
 import java.util.Map;
 21  
 
 22  
 import javax.faces.context.FacesContext;
 23  
 
 24  
 import org.apache.commons.scxml.Context;
 25  
 import org.apache.commons.scxml.env.SimpleContext;
 26  
 
 27  
 /**
 28  
  * <p>A Faces Session Context.</p>
 29  
  *
 30  
  * <p>Since the &quot;session map&quot; is obtained from a
 31  
  * <code>FacesContext</code> object using the environment agnostic
 32  
  * <code>getExternalContext()</code>, this <code>Context</code>
 33  
  * will be useful in Servlet as well as Portlet environments.</p>
 34  
  *
 35  
  */
 36  
 public class SessionContext extends SimpleContext {
 37  
 
 38  
     /** The map of session scoped variables. */
 39  
     private Map sessionMap;
 40  
     /** Bark if FacesContext is null. */
 41  
     private static final String ERR_HOST_FACES_CTX_NULL =
 42  
         "Host FacesContext cannot be null";
 43  
 
 44  
     /**
 45  
      * Constructor.
 46  
      *
 47  
      * @param fc The current FacesContext
 48  
      */
 49  
     public SessionContext(final FacesContext fc) {
 50  1
         this(fc, null);
 51  0
     }
 52  
 
 53  
     /**
 54  
      * Constructor.
 55  
      *
 56  
      * @param fc The current FacesContext
 57  
      * @param parent A parent Context, can be null
 58  
      */
 59  
     public SessionContext(final FacesContext fc, final Context parent) {
 60  1
         super(parent);
 61  1
         if (fc == null) {
 62  1
             throw new IllegalArgumentException(ERR_HOST_FACES_CTX_NULL);
 63  
         } else {
 64  
           // only retain the session map
 65  0
           this.sessionMap = fc.getExternalContext().getSessionMap();
 66  
         }
 67  
 
 68  0
     }
 69  
 
 70  
     /**
 71  
      * Get the value of the given variable in this Context.
 72  
      *
 73  
      * @param name The name of the variable
 74  
      * @return The value (or null)
 75  
      * @see org.apache.commons.scxml.Context#get(java.lang.String)
 76  
      */
 77  
     public Object get(final String name) {
 78  0
         Object value = getVars().get(name);
 79  0
         if (value == null) {
 80  0
             value = sessionMap.get(name);
 81  
         }
 82  0
         return value;
 83  
     }
 84  
 
 85  
     /**
 86  
      * Does the given variable exist in this Context.
 87  
      *
 88  
      * @param name The name of the variable
 89  
      * @return boolean true if the variable exists
 90  
      * @see org.apache.commons.scxml.Context#has(java.lang.String)
 91  
      */
 92  
     public boolean has(final String name) {
 93  0
         return (sessionMap.containsKey(name) || getVars().containsKey(name));
 94  
     }
 95  
 
 96  
 }
 97