WriteAbortedException.java 3.7 KB

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  1. /* WriteAbortedException.java -- wraps an exception thrown while writing
  2. Copyright (C) 1998, 2000, 2002, 2005 Free Software Foundation, Inc.
  3. This file is part of GNU Classpath.
  4. GNU Classpath is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2, or (at your option)
  7. any later version.
  8. GNU Classpath is distributed in the hope that it will be useful, but
  9. WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with GNU Classpath; see the file COPYING. If not, write to the
  14. Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15. 02110-1301 USA.
  16. Linking this library statically or dynamically with other modules is
  17. making a combined work based on this library. Thus, the terms and
  18. conditions of the GNU General Public License cover the whole
  19. combination.
  20. As a special exception, the copyright holders of this library give you
  21. permission to link this library with independent modules to produce an
  22. executable, regardless of the license terms of these independent
  23. modules, and to copy and distribute the resulting executable under
  24. terms of your choice, provided that you also meet, for each linked
  25. independent module, the terms and conditions of the license of that
  26. module. An independent module is a module which is not derived from
  27. or based on this library. If you modify this library, you may extend
  28. this exception to your version of the library, but you are not
  29. obligated to do so. If you do not wish to do so, delete this
  30. exception statement from your version. */
  31. package java.io;
  32. /**
  33. * This exception is thrown when another ObjectStreamException occurs during
  34. * a serialization read or write. The stream is reset, and deserialized
  35. * objects are discarded.
  36. *
  37. * @author Aaron M. Renn (arenn@urbanophile.com)
  38. * @author Eric Blake (ebb9@email.byu.edu)
  39. * @since 1.1
  40. * @status updated to 1.4
  41. */
  42. public class WriteAbortedException extends ObjectStreamException
  43. {
  44. /**
  45. * Compatible with JDK 1.1+.
  46. */
  47. private static final long serialVersionUID = -3326426625597282442L;
  48. /**
  49. * The cause of this exception. This pre-dates the exception chaining
  50. * of Throwable; and although you can change this field, you are wiser
  51. * to leave it alone.
  52. *
  53. * @serial the exception cause
  54. */
  55. public Exception detail;
  56. /**
  57. * Create a new WriteAbortedException with a specified message and
  58. * cause.
  59. *
  60. * @param msg the message
  61. * @param detail the cause
  62. */
  63. public WriteAbortedException(String msg, Exception detail)
  64. {
  65. super(msg);
  66. initCause(detail);
  67. this.detail = detail;
  68. }
  69. /**
  70. * This method returns a message indicating what went wrong, in this
  71. * format:
  72. * <code>super.getMessage() + (detail == null ? "" : "; " + detail)</code>.
  73. *
  74. * @return the chained message
  75. */
  76. public String getMessage()
  77. {
  78. if (detail == this || detail == null)
  79. return super.getMessage();
  80. return super.getMessage() + "; " + detail;
  81. }
  82. /**
  83. * Returns the cause of this exception. Note that this may not be the
  84. * original cause, thanks to the <code>detail</code> field being public
  85. * and non-final (yuck). However, to avoid violating the contract of
  86. * Throwable.getCause(), this returns null if <code>detail == this</code>,
  87. * as no exception can be its own cause.
  88. *
  89. * @return the cause
  90. * @since 1.4
  91. */
  92. public Throwable getCause()
  93. {
  94. return detail == this ? null : detail;
  95. }
  96. } // class WriteAbortedException