--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/jdk/src/classes/build/tools/charsetmapping/SRC.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015, 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 build.tools.charsetmapping;
+
+import java.io.*;
+import java.util.Scanner;
+
+public class SRC {
+
+    public static void genClass(Charset cs, String srcDir, String dstDir)
+        throws Exception
+    {
+        String clzName = cs.clzName;
+        String csName  = cs.csName;
+        String pkgName = cs.pkgName;
+
+        try (Scanner s = new Scanner(new File(srcDir, clzName + ".java.template"));
+             PrintStream out = new PrintStream(new FileOutputStream(
+                                  new File(dstDir, clzName + ".java")));) {
+            while (s.hasNextLine()) {
+                String line = s.nextLine();
+                if (line.indexOf("$") < 0) {
+                    out.println(line);
+                    continue;
+                }
+                if (line.indexOf("$PACKAGE$") != -1) {
+                    out.println(line.replace("$PACKAGE$", pkgName));
+                } else if (line.indexOf("$ALIASES$") != -1) {
+                    if ("sun.nio.cs".equals(pkgName))
+                        out.println(line.replace("$ALIASES$",
+                                                 "StandardCharsets.aliases_" + clzName + "()"));
+                    else
+                        out.println(line.replace("$ALIASES$",
+                                                 "ExtendedCharsets.aliasesFor(\"" + csName + "\")"));
+                } else {
+                    out.println(line);
+                }
+            }
+        }
+    }
+}