Coverage Report - org.jaxen.expr.DefaultVariableReferenceExpr

Classes in this File Line Coverage Branch Coverage Complexity
DefaultVariableReferenceExpr
44% 
0% 
1.571

 1  
 /*
 2  
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultVariableReferenceExpr.java,v 1.10 2005/06/28 13:44:44 elharo Exp $
 3  
  * $Revision: 1.10 $
 4  
  * $Date: 2005/06/28 13:44:44 $
 5  
  *
 6  
  * ====================================================================
 7  
  *
 8  
  * Copyright (C) 2000-2002 bob mcwhirter & James Strachan.
 9  
  * All rights reserved.
 10  
  *
 11  
  * Redistribution and use in source and binary forms, with or without
 12  
  * modification, are permitted provided that the following conditions
 13  
  * are met:
 14  
  * 
 15  
  * 1. Redistributions of source code must retain the above copyright
 16  
  *    notice, this list of conditions, and the following disclaimer.
 17  
  *
 18  
  * 2. Redistributions in binary form must reproduce the above copyright
 19  
  *    notice, this list of conditions, and the disclaimer that follows 
 20  
  *    these conditions in the documentation and/or other materials 
 21  
  *    provided with the distribution.
 22  
  *
 23  
  * 3. The name "Jaxen" must not be used to endorse or promote products
 24  
  *    derived from this software without prior written permission.  For
 25  
  *    written permission, please contact license@jaxen.org.
 26  
  * 
 27  
  * 4. Products derived from this software may not be called "Jaxen", nor
 28  
  *    may "Jaxen" appear in their name, without prior written permission
 29  
  *    from the Jaxen Project Management (pm@jaxen.org).
 30  
  * 
 31  
  * In addition, we request (but do not require) that you include in the 
 32  
  * end-user documentation provided with the redistribution and/or in the 
 33  
  * software itself an acknowledgement equivalent to the following:
 34  
  *     "This product includes software developed by the
 35  
  *      Jaxen Project <http://www.jaxen.org/>."
 36  
  * Alternatively, the acknowledgment may be graphical using the logos 
 37  
  * available at http://www.jaxen.org/
 38  
  *
 39  
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 40  
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 41  
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 42  
  * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
 43  
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 44  
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 45  
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 46  
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 47  
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 48  
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 49  
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 50  
  * SUCH DAMAGE.
 51  
  *
 52  
  * ====================================================================
 53  
  * This software consists of voluntary contributions made by many 
 54  
  * individuals on behalf of the Jaxen Project and was originally 
 55  
  * created by bob mcwhirter <bob@werken.com> and 
 56  
  * James Strachan <jstrachan@apache.org>.  For more information on the 
 57  
  * Jaxen Project, please see <http://www.jaxen.org/>.
 58  
  * 
 59  
  * $Id: DefaultVariableReferenceExpr.java,v 1.10 2005/06/28 13:44:44 elharo Exp $
 60  
  */
 61  
 
 62  
 
 63  
 
 64  
 package org.jaxen.expr;
 65  
 
 66  
 import org.jaxen.Context;
 67  
 import org.jaxen.UnresolvableException;
 68  
 
 69  
 class DefaultVariableReferenceExpr extends DefaultExpr implements VariableReferenceExpr
 70  
 {
 71  
     private String prefix;
 72  
     private String variableName;
 73  
 
 74  
     DefaultVariableReferenceExpr(String prefix,
 75  
                                         String variableName)
 76  126
     {
 77  126
         this.prefix       = prefix;
 78  126
         this.variableName = variableName;
 79  126
     }
 80  
 
 81  
     public String getPrefix()
 82  
     {
 83  168
         return this.prefix;
 84  
     }
 85  
 
 86  
     public String getVariableName()
 87  
     {
 88  84
         return this.variableName;
 89  
     }
 90  
 
 91  
     public String toString()
 92  
     {
 93  0
         String prefix = getPrefix();
 94  
 
 95  0
         if ( prefix == null )
 96  
         {
 97  0
             return "[(DefaultVariableReferenceExpr): " + getVariableName() + "]";
 98  
         }
 99  
 
 100  0
         return "[(DefaultVariableReferenceExpr): " + getPrefix() + ":" + getVariableName() + "]";
 101  
     }
 102  
 
 103  
     public String getText()
 104  
     {
 105  0
         String prefix = getPrefix();
 106  
 
 107  0
         if ( prefix == null )
 108  
         {
 109  0
             return "$" + getVariableName();
 110  
         }
 111  
 
 112  0
         return "$" + prefix + ":" + getVariableName();
 113  
     }
 114  
 
 115  
     public Object evaluate(Context context)
 116  
         throws UnresolvableException
 117  
     {
 118  84
         String namespaceURI =
 119  
             context.translateNamespacePrefixToUri( getPrefix() );
 120  
 
 121  84
         return context.getVariableValue( namespaceURI,
 122  
                                          getPrefix(),
 123  
                                          getVariableName() );
 124  
     }
 125  
     
 126  
     public void accept(Visitor visitor)
 127  
     {
 128  0
         visitor.visit(this);
 129  0
     }
 130  
 }