[jboss-cvs] jboss-seam/src/main/org/jboss/seam/util ...

[Gavin King]

  User: gavin   
  Date: 06/08/09 17:39:50

  Modified:    src/main/org/jboss/seam/util  Reflections.java
  Log:
  exception reporting
  
  Revision  Changes    Path
  1.9       +45 -1     jboss-seam/src/main/org/jboss/seam/util/Reflections.java
  
  (In the diff below, changes in quantity of whitespace are not shown.)
  
  Index: Reflections.java
  ===================================================================
  RCS file: /cvsroot/jboss/jboss-seam/src/main/org/jboss/seam/util/Reflections.java,v
  retrieving revision 1.8
  retrieving revision 1.9
  diff -u -b -r1.8 -r1.9
  --- Reflections.java	24 Jul 2006 20:00:42 -0000	1.8
  +++ Reflections.java	9 Aug 2006 21:39:50 -0000	1.9
  @@ -1,7 +1,8 @@
  -//$Id: Reflections.java,v 1.8 2006/07/24 20:00:42 gavin Exp $
  +//$Id: Reflections.java,v 1.9 2006/08/09 21:39:50 gavin Exp $
   package org.jboss.seam.util;
   
   import java.beans.Introspector;
  +import java.lang.reflect.Field;
   import java.lang.reflect.InvocationTargetException;
   import java.lang.reflect.Method;
   import java.lang.reflect.ParameterizedType;
  @@ -38,6 +39,42 @@
         }
      }
      
  +   public static Object get(Field field, Object target) throws Exception
  +   {
  +      try
  +      {
  +         return field.get(target);
  +      }
  +      catch (IllegalArgumentException iae)
  +      {
  +         String message = "Could not get field value by reflection: " + toString(field) + 
  +            " on: " + target.getClass().getName();
  +         throw new IllegalArgumentException(message, iae);
  +      }
  +   }
  +   
  +   public static void set(Field field, Object target, Object value) throws Exception
  +   {
  +      try
  +      {
  +         field.set(target, value);
  +      }
  +      catch (IllegalArgumentException iae)
  +      {
  +         String message = "Could not set field value by reflection: " + toString(field) +
  +            " on: " + target.getClass().getName();
  +         if (value==null)
  +         {
  +            message += " with null value";
  +         }
  +         else
  +         {
  +            message += " with value: " + value.getClass();
  +         }
  +         throw new IllegalArgumentException(message, iae);
  +      }
  +   }
  +   
      public static Object invokeAndWrap(Method method, Object target, Object... args)
      {
         try
  @@ -68,6 +105,13 @@
               ')';
      }
      
  +   private static String toString(Field field)
  +   {
  +      return Strings.unqualify( field.getClass().getName() ) + 
  +            '.' + 
  +            field.getName();
  +   }
  +   
      public static Class classForName(String name) throws ClassNotFoundException
      {
         try