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+/* ClassNotFoundException.java -- thrown when class definition cannot be found
+ Copyright (C) 1998, 2002, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang;
+
+/**
+ * Thrown when a class is requested by reflection, but the class definition
+ * cannot be found. This exception is often chained from another Throwable.
+ *
+ * @author Brian Jones
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @see Class#forName(String)
+ * @see ClassLoader#findSystemClass(String)
+ * @see ClassLoader#loadClass(String, boolean)
+ * @status updated to 1.4
+ */
+public class ClassNotFoundException extends Exception
+{
+ /**
+ * Compatible with JDK 1.0+.
+ */
+ private static final long serialVersionUID = 9176873029745254542L;
+
+ /**
+ * The cause of this exception (duplicates the one stored in Throwable).
+ *
+ * @serial the exception cause
+ * @since 1.2
+ */
+ private final Throwable ex;
+
+ /**
+ * Create an exception without a message. Note that this initializes the
+ * cause to null.
+ */
+ public ClassNotFoundException()
+ {
+ this(null, null);
+ }
+
+ /**
+ * Create an exception with a message. Note that this initializes the
+ * cause to null.
+ *
+ * @param s the message
+ */
+ public ClassNotFoundException(String s)
+ {
+ this(s, null);
+ }
+
+ /**
+ * Create an exception with a message and chain it to the exception
+ * which occurred while loading the class.
+ *
+ * @param s the message
+ * @param ex the chained exception
+ * @since 1.2
+ */
+ public ClassNotFoundException(String s, Throwable ex)
+ {
+ super(s, ex);
+ this.ex = ex;
+ }
+
+ /**
+ * Returns the exception which occurred while loading the class,
+ * otherwise returns null. This is a legacy method; the preferred choice
+ * now is {@link Throwable#getCause()}.
+ *
+ * @return the cause of this exception
+ * @since 1.2
+ */
+ public Throwable getException()
+ {
+ return ex;
+ }
+
+ /**
+ * Returns the exception which occurred while loading the class,
+ * otherwise returns null.
+ *
+ * @return the cause of this exception
+ * @since 1.4
+ */
+ public Throwable getCause()
+ {
+ return ex;
+ }
+}