1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package build.tools.charsetmapping;

    27 

    28 import java.io.*;

    29 import java.util.Scanner;

    30 

    31 public class SRC {

    32 

    33     public static void genClass(Charset cs, String srcDir, String dstDir)

    34         throws Exception

    35     {

    36         String clzName = cs.clzName;

    37         String csName  = cs.csName;

    38         String pkgName = cs.pkgName;

    39 

    40         try (Scanner s = new Scanner(new File(srcDir, clzName + ".java.template"));

    41              PrintStream out = new PrintStream(new FileOutputStream(

    42                                   new File(dstDir, clzName + ".java")));) {

    43             while (s.hasNextLine()) {

    44                 String line = s.nextLine();

    45                 if (line.indexOf("$") < 0) {

    46                     out.println(line);

    47                     continue;

    48                 }

    49                 if (line.indexOf("$PACKAGE$") != -1) {

    50                     out.println(line.replace("$PACKAGE$", pkgName));

    51                 } else if (line.indexOf("$ALIASES$") != -1) {

    52                     if ("sun.nio.cs".equals(pkgName))

    53                         out.println(line.replace("$ALIASES$",

    54                                                  "StandardCharsets.aliases_" + clzName + "()"));

    55                     else

    56                         out.println(line.replace("$ALIASES$",

    57                                                  "ExtendedCharsets.aliasesFor(\"" + csName + "\")"));

    58                 } else {

    59                     out.println(line);

    60                 }

    61             }

    62         }

    63     }

    64 }