Source for gnu.javax.crypto.assembly.TransformerException

   1: /* TransformerException.java --
   2:    Copyright (C) 2003, 2006 Free Software Foundation, Inc.
   3: 
   4: This file is a part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2 of the License, or (at
   9: your option) any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; if not, write to the Free Software
  18: Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
  19: USA
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version.  */
  37: 
  38: 
  39: package gnu.javax.crypto.assembly;
  40: 
  41: import gnu.java.lang.CPStringBuilder;
  42: 
  43: import java.io.PrintStream;
  44: import java.io.PrintWriter;
  45: 
  46: /**
  47:  */
  48: public class TransformerException
  49:     extends Exception
  50: {
  51:   private Throwable _exception = null;
  52: 
  53:   public TransformerException()
  54:   {
  55:     super();
  56:   }
  57: 
  58:   public TransformerException(String details)
  59:   {
  60:     super(details);
  61:   }
  62: 
  63:   public TransformerException(Throwable cause)
  64:   {
  65:     super();
  66: 
  67:     this._exception = cause;
  68:   }
  69: 
  70:   public TransformerException(String details, Throwable cause)
  71:   {
  72:     super(details);
  73: 
  74:     this._exception = cause;
  75:   }
  76: 
  77:   public Throwable getCause()
  78:   {
  79:     return _exception;
  80:   }
  81: 
  82:   /**
  83:    * Prints this exception's stack trace to <code>System.err</code>. If this
  84:    * exception has a root exception; the stack trace of the root exception is
  85:    * also printed to <code>System.err</code>.
  86:    */
  87:   public void printStackTrace()
  88:   {
  89:     super.printStackTrace();
  90:     if (_exception != null)
  91:       _exception.printStackTrace();
  92:   }
  93: 
  94:   /**
  95:    * Prints this exception's stack trace to a print stream. If this exception
  96:    * has a root exception; the stack trace of the root exception is also printed
  97:    * to the print stream.
  98:    *
  99:    * @param ps the non-null print stream to which to print.
 100:    */
 101:   public void printStackTrace(PrintStream ps)
 102:   {
 103:     super.printStackTrace(ps);
 104:     if (_exception != null)
 105:       _exception.printStackTrace(ps);
 106:   }
 107: 
 108:   /**
 109:    * Prints this exception's stack trace to a print writer. If this exception
 110:    * has a root exception; the stack trace of the root exception is also printed
 111:    * to the print writer.
 112:    *
 113:    * @param pw the non-null print writer to use for output.
 114:    */
 115:   public void printStackTrace(PrintWriter pw)
 116:   {
 117:     super.printStackTrace(pw);
 118:     if (_exception != null)
 119:       _exception.printStackTrace(pw);
 120:   }
 121: 
 122:   /**
 123:    * Returns the string representation of this exception. The string
 124:    * representation contains this exception's class name, its detailed messsage,
 125:    * and if it has a root exception, the string representation of the root
 126:    * exception. This string representation is meant for debugging and not meant
 127:    * to be interpreted programmatically.
 128:    *
 129:    * @return the non-null string representation of this exception.
 130:    * @see Throwable#getMessage()
 131:    */
 132:   public String toString()
 133:   {
 134:     CPStringBuilder sb = new CPStringBuilder(this.getClass().getName())
 135:         .append(": ").append(super.toString());
 136:     if (_exception != null)
 137:       sb.append("; caused by: ").append(_exception.toString());
 138:     return sb.toString();
 139:   }
 140: }