blob: 4ae4dea6b23f6f0b42e7cdf5b634ee2f481acf1b (
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
72
73
74
75
76
77
78
79
80
81
82
83
84
|
package bjc.utils.cli;
/**
* Generic command implementation.
*
* @author ben
*
*/
public class GenericCommand implements Command {
/*
* The behavior for invoking the command.
*/
private final CommandHandler handler;
/*
* The help for the command.
*/
private CommandHelp help;
/**
* Create a new generic command.
*
* @param handler
* The handler to use for the command.
* @param description
* The description of the command. May be null, in which
* case a default is provided.
* @param help
* The detailed help message for the command. May be
* null, in which case the description is repeated for
* the detailed help.
*/
public GenericCommand(final CommandHandler handler, final String description, final String help) {
if (handler == null) throw new NullPointerException("Command handler must not be null");
this.handler = handler;
if (description == null) {
this.help = new NullHelp();
} else {
this.help = new GenericHelp(description, help);
}
}
@Override
public Command aliased() {
return new DelegatingCommand(this);
}
@Override
public CommandHandler getHandler() {
return handler;
}
@Override
public CommandHelp getHelp() {
return help;
}
@Override
public boolean isAlias() {
return false;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("GenericCommand [");
if (help != null) {
builder.append("help=");
builder.append(help);
}
builder.append("]");
return builder.toString();
}
}
|
