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
|
### =========================================================================
### Credentials objects
### -------------------------------------------------------------------------
setClass("Credentials",
representation(username = "character_OR_NULL",
password = "character_OR_NULL"),
validity = function(object) {
c(if (!is.null(object@username) &&
!isSingleString(object@username))
"username must be NULL or a single string",
if (!is.null(object@password) &&
!isSingleString(object@password))
"password must be NULL or a single string")
})
### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Accessors
###
setGeneric("username", function(x) standardGeneric("username"))
setMethod("username", "Credentials", function(x) x@username)
setGeneric("password", function(x) standardGeneric("password"))
setMethod("password", "Credentials", function(x) x@password)
### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Constructor
###
Credentials <- function(username, password) {
new("Credentials", username=username, password=password)
}
### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Coerce
###
as.list.Credentials <- function(x) {
as.list(x)
}
setMethod("as.list", "Credentials", function(x)
list(username=username(x), password=password(x)))
### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Show
###
setMethod("show", "Credentials", function(object) {
cat("A", class(object), "object\n")
cat("username:", username(object), "\n")
})
|
