blob: 551abf1fb902a6ebc2feffe58ff751b6962cc1a7 (
plain)
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
package jargs.examples.gnu;
import jargs.gnu.CmdLineParser;
public class OptionParserSubclassTest {
private static class MyOptionsParser extends CmdLineParser {
public static final Option VERBOSE = new
CmdLineParser.Option.BooleanOption('v',"verbose");
public static final Option SIZE = new
CmdLineParser.Option.IntegerOption('s',"size");
public static final Option NAME = new
CmdLineParser.Option.StringOption('n',"name");
public static final Option FRACTION = new
CmdLineParser.Option.DoubleOption('f',"fraction");
public MyOptionsParser() {
super();
addOption(VERBOSE);
addOption(SIZE);
addOption(NAME);
addOption(FRACTION);
}
}
private static void printUsage() {
System.err.println("usage: prog [{-v,--verbose}] [{-n,--name} a_name]"+
"[{-s,--size} a_number] [{-f,--fraction} a_float]");
}
public static void main( String[] args ) {
MyOptionsParser myOptions = new MyOptionsParser();
try {
myOptions.parse(args);
}
catch ( CmdLineParser.UnknownOptionException e ) {
System.err.println(e.getMessage());
printUsage();
System.exit(2);
}
catch ( CmdLineParser.IllegalOptionValueException e ) {
System.err.println(e.getMessage());
printUsage();
System.exit(2);
}
CmdLineParser.Option[] allOptions =
new CmdLineParser.Option[] { MyOptionsParser.VERBOSE,
MyOptionsParser.NAME,
MyOptionsParser.SIZE,
MyOptionsParser.FRACTION };
for ( int j = 0; j<allOptions.length; ++j ) {
System.out.println(allOptions[j].longForm() + ": " +
myOptions.getOptionValue(allOptions[j]));
}
String[] otherArgs = myOptions.getRemainingArgs();
System.out.println("remaining args: ");
for ( int i = 0; i<otherArgs.length; ++i ) {
System.out.println(otherArgs[i]);
}
System.exit(0);
}
}
|
