8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse

src/java.base/share/classes/java/lang/ExceptionInInitializerError.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 1996, 2000, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.lang;
+
+/**
+ * Signals that an unexpected exception has occurred in a static initializer.
+ * An <code>ExceptionInInitializerError</code> is thrown to indicate that an
+ * exception occurred during evaluation of a static initializer or the
+ * initializer for a static variable.
+ *
+ * <p>As of release 1.4, this exception has been retrofitted to conform to
+ * the general purpose exception-chaining mechanism.  The "saved throwable
+ * object" that may be provided at construction time and accessed via
+ * the {@link #getException()} method is now known as the <i>cause</i>,
+ * and may be accessed via the {@link Throwable#getCause()} method, as well
+ * as the aforementioned "legacy method."
+ *
+ * @author  Frank Yellin
+ * @since   1.1
+ */
+public class ExceptionInInitializerError extends LinkageError {
+    /**
+     * Use serialVersionUID from JDK 1.1.X for interoperability
+     */
+    private static final long serialVersionUID = 1521711792217232256L;
+
+    /**
+     * This field holds the exception if the
+     * ExceptionInInitializerError(Throwable thrown) constructor was
+     * used to instantiate the object
+     *
+     * @serial
+     *
+     */
+    private Throwable exception;
+
+    /**
+     * Constructs an <code>ExceptionInInitializerError</code> with
+     * <code>null</code> as its detail message string and with no saved
+     * throwable object.
+     * A detail message is a String that describes this particular exception.
+     */
+    public ExceptionInInitializerError() {
+        initCause(null);  // Disallow subsequent initCause
+    }
+
+    /**
+     * Constructs a new <code>ExceptionInInitializerError</code> class by
+     * saving a reference to the <code>Throwable</code> object thrown for
+     * later retrieval by the {@link #getException()} method. The detail
+     * message string is set to <code>null</code>.
+     *
+     * @param thrown The exception thrown
+     */
+    public ExceptionInInitializerError(Throwable thrown) {
+        initCause(null);  // Disallow subsequent initCause
+        this.exception = thrown;
+    }
+
+    /**
+     * Constructs an ExceptionInInitializerError with the specified detail
+     * message string.  A detail message is a String that describes this
+     * particular exception. The detail message string is saved for later
+     * retrieval by the {@link Throwable#getMessage()} method. There is no
+     * saved throwable object.
+     *
+     *
+     * @param s the detail message
+     */
+    public ExceptionInInitializerError(String s) {
+        super(s);
+        initCause(null);  // Disallow subsequent initCause
+    }
+
+    /**
+     * Returns the exception that occurred during a static initialization that
+     * caused this error to be created.
+     *
+     * <p>This method predates the general-purpose exception chaining facility.
+     * The {@link Throwable#getCause()} method is now the preferred means of
+     * obtaining this information.
+     *
+     * @return the saved throwable object of this
+     *         <code>ExceptionInInitializerError</code>, or <code>null</code>
+     *         if this <code>ExceptionInInitializerError</code> has no saved
+     *         throwable object.
+     */
+    public Throwable getException() {
+        return exception;
+    }
+
+    /**
+     * Returns the cause of this error (the exception that occurred
+     * during a static initialization that caused this error to be created).
+     *
+     * @return  the cause of this error or <code>null</code> if the
+     *          cause is nonexistent or unknown.
+     * @since   1.4
+     */
+    public Throwable getCause() {
+        return exception;
+    }
+}