| /* ClassNotFoundException.java -- exception thrown when attempting to load |
| a class when no definition for the class can be found. |
| Copyright (C) 1998 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| As a special exception, if you link this library with other files to |
| produce an executable, this library does not by itself cause the |
| resulting executable to be covered by the GNU General Public License. |
| This exception does not however invalidate any other reasons why the |
| executable file might be covered by the GNU General Public License. */ |
| |
| |
| package java.lang; |
| |
| import java.io.ObjectOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.io.PrintWriter; |
| |
| /** |
| * Exceptions may be thrown by one part of a Java program and caught |
| * by another in order to deal with exceptional conditions. This |
| * exception can by thrown by specific methods of <code>ClassLoader</code> |
| * and <code>Class</code> when attempting to load a class when no definition |
| * for the specified class can be found. |
| * |
| * @since JDK 1.0 |
| * |
| * @author Brian Jones |
| */ |
| public class ClassNotFoundException extends Exception |
| { |
| static final long serialVersionUID = 9176873029745254542L; |
| |
| private Throwable ex = null; |
| |
| /** |
| * Create an exception without a message. |
| */ |
| public ClassNotFoundException() |
| { |
| super(); |
| } |
| |
| /** |
| * Create an exception with a message. |
| */ |
| public ClassNotFoundException(String s) |
| { |
| super(s); |
| } |
| |
| /** |
| * Create an exception with a message and include the exception |
| * which occurred while loading the class. |
| * |
| * @param ex the exception which occurred while loading the class |
| * |
| * @since JDK 1.2 |
| */ |
| public ClassNotFoundException(String s, Throwable ex) |
| { |
| super(s); |
| this.ex = ex; |
| } |
| |
| /** |
| * Returns the exception which occurred while loading the class, |
| * otherwise returns null. |
| * |
| * @since JDK 1.2 |
| */ |
| public Throwable getException() |
| { |
| return ex; |
| } |
| |
| /** |
| * Print a stack trace of the exception that occurred. |
| */ |
| public void printStackTrace() |
| { |
| if (ex == null) |
| { |
| super.printStackTrace(); |
| } |
| else |
| { |
| ex.printStackTrace(); |
| } |
| } |
| |
| /** |
| * Print a stack trace of the exception that occurred to |
| * the specified <code>PrintStream</code>. |
| */ |
| public void printStackTrace(PrintStream ps) |
| { |
| if (ex == null) |
| { |
| super.printStackTrace(ps); |
| } |
| else |
| { |
| ex.printStackTrace(ps); |
| } |
| } |
| |
| /** |
| * Print a stack trace of the exception that occurred to |
| * the specified <code>PrintWriter</code>. |
| */ |
| public void printStackTrace(PrintWriter pw) |
| { |
| if (ex == null) |
| { |
| super.printStackTrace(pw); |
| } |
| else |
| { |
| ex.printStackTrace(pw); |
| } |
| } |
| |
| /** |
| * Serialize the object in a manner binary compatible with the JDK 1.2 |
| */ |
| private void writeObject(java.io.ObjectOutputStream s) |
| throws IOException |
| { |
| ObjectOutputStream.PutField oFields; |
| oFields = s.putFields(); |
| oFields.put("ex", this.ex); |
| s.writeFields(); |
| } |
| |
| /** |
| * Deserialize the object in a manner binary compatible with the JDK 1.2 |
| */ |
| private void readObject(java.io.ObjectInputStream s) |
| throws IOException, ClassNotFoundException |
| { |
| ObjectInputStream.GetField oFields; |
| oFields = s.readFields(); |
| ex = (Throwable)oFields.get("ex", (Throwable)null); |
| } |
| } |