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
26package build.tools.charsetmapping;
27
28import java.io.*;
29import java.util.Scanner;
30
31public 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}
65