--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.security.auth/share/classes/com/sun/security/auth/UserPrincipal.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2005, 2013, 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 com.sun.security.auth;
+
+import java.security.Principal;
+
+/**
+ * A user principal identified by a username or account name.
+ *
+ * <p>
+ * After successful authentication, a user {@link java.security.Principal}
+ * can be associated with a particular {@link javax.security.auth.Subject}
+ * to augment that <code>Subject</code> with an additional identity.
+ * Authorization decisions can then be based upon the
+ * <code>Principal</code>s that are associated with a <code>Subject</code>.
+ *
+ * <p>
+ * This class is immutable.
+ *
+ * @since 1.6
+ */
+@jdk.Exported
+public final class UserPrincipal implements Principal, java.io.Serializable {
+
+    private static final long serialVersionUID = 892106070870210969L;
+
+    /**
+     * The principal's name
+     *
+     * @serial
+     */
+    private final String name;
+
+    /**
+     * Creates a principal.
+     *
+     * @param name The principal's string name.
+     * @exception NullPointerException If the <code>name</code> is
+     * <code>null</code>.
+     */
+    public UserPrincipal(String name) {
+        if (name == null) {
+            throw new NullPointerException("null name is illegal");
+        }
+        this.name = name;
+    }
+
+    /**
+     * Compares this principal to the specified object.
+     *
+     * @param object The object to compare this principal against.
+     * @return true if they are equal; false otherwise.
+     */
+    public boolean equals(Object object) {
+        if (this == object) {
+            return true;
+        }
+        if (object instanceof UserPrincipal) {
+            return name.equals(((UserPrincipal)object).getName());
+        }
+        return false;
+    }
+
+    /**
+     * Returns a hash code for this principal.
+     *
+     * @return The principal's hash code.
+     */
+    public int hashCode() {
+        return name.hashCode();
+    }
+
+    /**
+     * Returns the name of this principal.
+     *
+     * @return The principal's name.
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Returns a string representation of this principal.
+     *
+     * @return The principal's name.
+     */
+    public String toString() {
+        return name;
+    }
+}