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comparison graal/com.oracle.max.base/src/com/sun/max/program/option/PackageOptionType.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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children bc8527f3071c
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3732:3e2e8b8abdaf 3733:e233f5660da4
1 /*
2 * Copyright (c) 2007, 2011, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.max.program.option;
24
25 import static com.sun.max.lang.Classes.*;
26
27
28 /**
29 * The {@code PackageOptionType} class.
30 * Created Nov 20, 2007
31 */
32 public class PackageOptionType extends Option.Type<String> {
33 public final String superPackage;
34
35 public PackageOptionType(String superPackage) {
36 super(String.class, "vm-package");
37 this.superPackage = superPackage;
38 }
39
40 private Class packageClass(String pkgName) {
41 try {
42 return Class.forName(pkgName + ".Package");
43 } catch (ClassNotFoundException e) {
44 return null;
45 }
46 }
47
48 @Override
49 public String parseValue(String string) {
50 final String fullName = superPackage + "." + string;
51 if (string != null && string.length() > 0) {
52 Class pkgClass = packageClass(fullName);
53 if (pkgClass == null) {
54 pkgClass = packageClass(string);
55 }
56 if (pkgClass == null) {
57 throw new Option.Error("Package not found: " + string + " (or " + fullName + ")");
58 }
59 return getPackageName(pkgClass);
60 }
61 return null;
62 }
63
64 @Override
65 public String getValueFormat() {
66 return "<package-name>";
67 }
68 }