TransformerException.java 4.2 KB

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  1. /* TransformerException.java --
  2. Copyright (C) 2003, 2006 Free Software Foundation, Inc.
  3. This file is a 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 of the License, or (at
  7. your option) 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; if not, write to the Free Software
  14. Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
  15. 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 gnu.javax.crypto.assembly;
  32. import gnu.java.lang.CPStringBuilder;
  33. import java.io.PrintStream;
  34. import java.io.PrintWriter;
  35. /**
  36. */
  37. public class TransformerException
  38. extends Exception
  39. {
  40. private Throwable _exception = null;
  41. public TransformerException()
  42. {
  43. super();
  44. }
  45. public TransformerException(String details)
  46. {
  47. super(details);
  48. }
  49. public TransformerException(Throwable cause)
  50. {
  51. super();
  52. this._exception = cause;
  53. }
  54. public TransformerException(String details, Throwable cause)
  55. {
  56. super(details);
  57. this._exception = cause;
  58. }
  59. public Throwable getCause()
  60. {
  61. return _exception;
  62. }
  63. /**
  64. * Prints this exception's stack trace to <code>System.err</code>. If this
  65. * exception has a root exception; the stack trace of the root exception is
  66. * also printed to <code>System.err</code>.
  67. */
  68. public void printStackTrace()
  69. {
  70. super.printStackTrace();
  71. if (_exception != null)
  72. _exception.printStackTrace();
  73. }
  74. /**
  75. * Prints this exception's stack trace to a print stream. If this exception
  76. * has a root exception; the stack trace of the root exception is also printed
  77. * to the print stream.
  78. *
  79. * @param ps the non-null print stream to which to print.
  80. */
  81. public void printStackTrace(PrintStream ps)
  82. {
  83. super.printStackTrace(ps);
  84. if (_exception != null)
  85. _exception.printStackTrace(ps);
  86. }
  87. /**
  88. * Prints this exception's stack trace to a print writer. If this exception
  89. * has a root exception; the stack trace of the root exception is also printed
  90. * to the print writer.
  91. *
  92. * @param pw the non-null print writer to use for output.
  93. */
  94. public void printStackTrace(PrintWriter pw)
  95. {
  96. super.printStackTrace(pw);
  97. if (_exception != null)
  98. _exception.printStackTrace(pw);
  99. }
  100. /**
  101. * Returns the string representation of this exception. The string
  102. * representation contains this exception's class name, its detailed messsage,
  103. * and if it has a root exception, the string representation of the root
  104. * exception. This string representation is meant for debugging and not meant
  105. * to be interpreted programmatically.
  106. *
  107. * @return the non-null string representation of this exception.
  108. * @see Throwable#getMessage()
  109. */
  110. public String toString()
  111. {
  112. CPStringBuilder sb = new CPStringBuilder(this.getClass().getName())
  113. .append(": ").append(super.toString());
  114. if (_exception != null)
  115. sb.append("; caused by: ").append(_exception.toString());
  116. return sb.toString();
  117. }
  118. }