001    /*
002    $Id: IllegalPropertyAccessException.java,v 1.1 2005/02/24 13:10:12 blackdrag Exp $
003    
004    Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005    
006    Redistribution and use of this software and associated documentation
007    ("Software"), with or without modification, are permitted provided
008    that the following conditions are met:
009    
010    1. Redistributions of source code must retain copyright
011       statements and notices.  Redistributions must also contain a
012       copy of this document.
013    
014    2. Redistributions in binary form must reproduce the
015       above copyright notice, this list of conditions and the
016       following disclaimer in the documentation and/or other
017       materials provided with the distribution.
018    
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022       please contact info@codehaus.org.
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024    4. Products derived from this Software may not be called "groovy"
025       nor may "groovy" appear in their names without prior written
026       permission of The Codehaus. "groovy" is a registered
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032    THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033    ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
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045    */
046    package groovy.lang;
047    
048    import java.lang.reflect.Field;
049    import java.lang.reflect.Modifier;
050    
051    /**
052     * An exception occurred if a dynamic property dispatch fails with a 
053     * field not accessible.
054     * 
055     * @author <a href="mailto:blackdrag@uni.de">Jochen Theodorou</a>
056     * @version $Revision: 1.1 $
057     */
058    public class IllegalPropertyAccessException extends MissingPropertyException {
059        
060        private static String makeMessage(String propertyName, Class clazz, int modifiers, boolean isField) {
061            String access = "private";
062            if (Modifier.isProtected(modifiers)) access = "protected";
063            if (Modifier.isPublic(modifiers)) access = "public";
064            String propertyType = "property";
065            if (isField) propertyType = "field";
066            return  "Can not access the "+access+" "+propertyType+" "+propertyName+" in class "+clazz.getName();
067        }
068        
069        public IllegalPropertyAccessException(String propertyName, Class clazz, int modifiers) {
070            super(makeMessage(propertyName,clazz,modifiers,false),propertyName,clazz);
071        }
072        
073        public IllegalPropertyAccessException(Field field, Class clazz) {
074            super(makeMessage(field.getName(),clazz,field.getModifiers(),true),field.getName(),clazz);
075        }
076        
077    }