--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/platform/PlatformProvider.java	Wed Jul 01 09:51:48 2015 +0200
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2014, 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.tools.javac.platform;
+
+/** A collection of platform descriptions that can be selected using {@code -release name}
+ *  command line option.
+ *  Register in {@code META-INF/services/com.sun.tools.javac.platform.PlatformProvider}.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ */
+public interface PlatformProvider {
+
+    /**Names of platforms supported by this provider. Each returned name can be used as the key for -release.
+     *
+     * @return the platform keys
+     */
+    Iterable<String> getSupportedPlatformNames();
+
+    /**Create a description of a selected platform.
+     *
+     * @param platformName the name of the selected platform
+     * @param options additional parameter, which can be specified after ':' on the command line
+     * @return a PlatformDescription
+     * @throws PlatformNotSupported if the given platform is not supported
+     */
+    PlatformDescription getPlatform(String platformName, String options) throws PlatformNotSupported;
+
+    /**Throw if the given platform is not supported.
+     */
+    public class PlatformNotSupported extends Exception {
+        private static final long serialVersionUID = 1L;
+    }
+
+}