1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/*
* Copyright (c) 2005, 2018, 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.
*
* 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 nsk.share;
import java.util.Properties;
/**
* This program prints system properties.
*/
public class PrintProperties {
public static void main(String[] args) {
Properties pr = System.getProperties();
switch (args.length) {
case 0:
pr.list(System.out);
System.exit(0);
case 1:
String value = pr.getProperty(args[0]);
if (value == null) {
System.err.println("Not found");
System.exit(1);
} else {
System.out.println(value);
System.exit(0);
}
default:
System.out.println("Usage:");
System.out.println(" PrintProperties");
System.out.println(" PrintProperties <property name>");
System.exit(255);
}
}
}
|
