Source for java.lang.ExceptionInInitializerError

   1: /* ExceptionInInitializerError.java -- thrown when class initialization fails
   2:    with an uncaught exception
   3:    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005  Free Software Foundation, Inc.
   4: 
   5: This file is part of GNU Classpath.
   6: 
   7: GNU Classpath is free software; you can redistribute it and/or modify
   8: it under the terms of the GNU General Public License as published by
   9: the Free Software Foundation; either version 2, or (at your option)
  10: any later version.
  11: 
  12: GNU Classpath is distributed in the hope that it will be useful, but
  13: WITHOUT ANY WARRANTY; without even the implied warranty of
  14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15: General Public License for more details.
  16: 
  17: You should have received a copy of the GNU General Public License
  18: along with GNU Classpath; see the file COPYING.  If not, write to the
  19: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20: 02110-1301 USA.
  21: 
  22: Linking this library statically or dynamically with other modules is
  23: making a combined work based on this library.  Thus, the terms and
  24: conditions of the GNU General Public License cover the whole
  25: combination.
  26: 
  27: As a special exception, the copyright holders of this library give you
  28: permission to link this library with independent modules to produce an
  29: executable, regardless of the license terms of these independent
  30: modules, and to copy and distribute the resulting executable under
  31: terms of your choice, provided that you also meet, for each linked
  32: independent module, the terms and conditions of the license of that
  33: module.  An independent module is a module which is not derived from
  34: or based on this library.  If you modify this library, you may extend
  35: this exception to your version of the library, but you are not
  36: obligated to do so.  If you do not wish to do so, delete this
  37: exception statement from your version. */
  38: 
  39: 
  40: package java.lang;
  41: 
  42: /**
  43:  * An <code>ExceptionInInitializerError</code> is thrown when an uncaught
  44:  * exception has occurred in a static initializer or the initializer for a
  45:  * static variable. In general, this wraps only RuntimeExceptions, since the
  46:  * compiler does not allow a checked exception to be uncaught in an
  47:  * initializer. This exception only occurs during reflection, when a class
  48:  * is initialized as part of another action.
  49:  *
  50:  * @author Brian Jones
  51:  * @author Tom Tromey (tromey@cygnus.com)
  52:  * @author Eric Blake (ebb9@email.byu.edu)
  53:  * @since 1.1
  54:  * @status updated to 1.4
  55:  */
  56: public class ExceptionInInitializerError extends LinkageError
  57: {
  58:   /**
  59:    * Compatible with JDK 1.1+.
  60:    */
  61:   static final long serialVersionUID = 1521711792217232256L;
  62: 
  63:   /**
  64:    * The cause of this exception (duplicates the one stored in Throwable).
  65:    *
  66:    * @serial the exception cause
  67:    */
  68:   private final Throwable exception;
  69: 
  70:   /**
  71:    * Create an error without a message. The cause is initialized as null.
  72:    */
  73:   public ExceptionInInitializerError()
  74:   {
  75:     this((String) null);
  76:   }
  77: 
  78:   /**
  79:    * Create an error with a message. The cause is initialized as null.
  80:    *
  81:    * @param s the message
  82:    */
  83:   public ExceptionInInitializerError(String s)
  84:   {
  85:     super(s);
  86:     exception = null;
  87:   }
  88: 
  89:   /**
  90:    * Creates an error an saves a reference to the <code>Throwable</code>
  91:    * object. The message string is null.
  92:    *
  93:    * @param t the exception thrown
  94:    */
  95:   public ExceptionInInitializerError(Throwable t)
  96:   {
  97:     super(null);
  98:     initCause(t);
  99:     exception = t;
 100:   }
 101: 
 102:   /**
 103:    * Return the exception that caused this error to be created. This is a
 104:    * legacy method; the preferred choice now is {@link Throwable#getCause()}.
 105:    *
 106:    * @return the cause, or null if unknown
 107:    */
 108:   public Throwable getException()
 109:   {
 110:     return exception;
 111:   }
 112: 
 113:   /**
 114:    * Return the exception that cause this error to be created.
 115:    *
 116:    * @return the cause, or null if unknown
 117:    * @since 1.4
 118:    */
 119:   public Throwable getCause()
 120:   {
 121:     return exception;
 122:   }
 123: }