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  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  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  
 package org.apache.commons.scxml.env.faces;
 18  
 
 19  
 import java.util.Map;
 20  
 
 21  
 import javax.faces.context.FacesContext;
 22  
 
 23  
 import org.apache.commons.scxml.Context;
 24  
 import org.apache.commons.scxml.env.SimpleContext;
 25  
 
 26  
 /**
 27  
  * <p>A Faces Session Context.</p>
 28  
  *
 29  
  * <p>Since the &quot;session map&quot; is obtained from a
 30  
  * <code>FacesContext</code> object using the environment agnostic
 31  
  * <code>getExternalContext()</code>, this <code>Context</code>
 32  
  * will be useful in Servlet as well as Portlet environments.</p>
 33  
  *
 34  
  */
 35  
 public class SessionContext extends SimpleContext {
 36  
 
 37  
     /** Serial version UID. */
 38  
     private static final long serialVersionUID = 1L;
 39  
     /** The map of session scoped variables. */
 40  
     private Map sessionMap;
 41  
     /** Bark if FacesContext is null. */
 42  
     private static final String ERR_HOST_FACES_CTX_NULL =
 43  
         "Host FacesContext cannot be null";
 44  
 
 45  
     /**
 46  
      * Constructor.
 47  
      *
 48  
      * @param fc The current FacesContext
 49  
      */
 50  
     public SessionContext(final FacesContext fc) {
 51  1
         this(fc, null);
 52  0
     }
 53  
 
 54  
     /**
 55  
      * Constructor.
 56  
      *
 57  
      * @param fc The current FacesContext
 58  
      * @param parent A parent Context, can be null
 59  
      */
 60  
     public SessionContext(final FacesContext fc, final Context parent) {
 61  1
         super(parent);
 62  1
         if (fc == null) {
 63  1
             throw new IllegalArgumentException(ERR_HOST_FACES_CTX_NULL);
 64  
         } else {
 65  
           // only retain the session map
 66  0
           this.sessionMap = fc.getExternalContext().getSessionMap();
 67  
         }
 68  
 
 69  0
     }
 70  
 
 71  
     /**
 72  
      * Get the value of the given variable in this Context.
 73  
      *
 74  
      * @param name The name of the variable
 75  
      * @return The value (or null)
 76  
      * @see org.apache.commons.scxml.Context#get(java.lang.String)
 77  
      */
 78  
     public Object get(final String name) {
 79  0
         Object value = getVars().get(name);
 80  0
         if (value == null) {
 81  0
             value = sessionMap.get(name);
 82  
         }
 83  0
         return value;
 84  
     }
 85  
 
 86  
     /**
 87  
      * Does the given variable exist in this Context.
 88  
      *
 89  
      * @param name The name of the variable
 90  
      * @return boolean true if the variable exists
 91  
      * @see org.apache.commons.scxml.Context#has(java.lang.String)
 92  
      */
 93  
     public boolean has(final String name) {
 94  0
         return (sessionMap.containsKey(name) || getVars().containsKey(name));
 95  
     }
 96  
 
 97  
 }
 98