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Diffstat (limited to 'libjava/java/lang/ClassNotFoundException.java')
| -rw-r--r-- | libjava/java/lang/ClassNotFoundException.java | 203 |
1 files changed, 153 insertions, 50 deletions
diff --git a/libjava/java/lang/ClassNotFoundException.java b/libjava/java/lang/ClassNotFoundException.java index 7a187e8..3ce89ea 100644 --- a/libjava/java/lang/ClassNotFoundException.java +++ b/libjava/java/lang/ClassNotFoundException.java @@ -1,61 +1,164 @@ -/* Copyright (C) 1998, 1999, 2000 Free Software Foundation +/* 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 libgcj. +This file is part of GNU Classpath. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +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; + /** - * @author Warren Levy <warrenl@cygnus.com> - * @date September 18, 1998. + * 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 */ -/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3 - * "The Java Language Specification", ISBN 0-201-63451-1 - * plus online API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - */ - public class ClassNotFoundException extends Exception { - // TODO12: - // Throwable ex; + static final long serialVersionUID = 9176873029745254542L; + private Throwable ex = null; + + /** + * Create an exception without a message. + */ public ClassNotFoundException() - { - super(); - } - - // TODO12: - // public ClassNotFoundException(String msg, Throwable ex) - // { - // FIXME: Set 'ex' here. - // } - - public ClassNotFoundException(String msg) - { - super(msg); - } - - // TODO12: - // public Throwable getException() - // { - // } - - // TBD: if this needs to be implemented - // public void printStackTrace() - // { - // } - - // TBD: if this needs to be implemented - // public void printStackTrace(PrintStream ps) - // { - // } - - // TBD: if this needs to be implemented - // public void printStackTrace(PrintWriter pw) - // { - // } + { + 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); + } } |