Java Reference
In-Depth Information
iif
(
request
.
isUserInRole
(
"host"
)) {
out
.
println
(
"<html><head><title>Welcome back, "
+
request
.
getUserPrincipal
().
getName
() +
"</title><head>"
);
out
.
println
(
"<body bgcolor=\"white\">"
);
String command
=
request
.
getParameter
(
"command"
);
iif
(
command
.
equals
(
"reset"
)) {
// Synchronize what you need, no more, no less.
synchronized
synchronized
(
application
) {
application
.
setAttribute
(
WINNER
,
null
null
);
}
session
.
setAttribute
(
"buzzin.message"
,
"RESET"
);
}
else
else iif
(
command
.
equals
(
"show"
)) {
String winner
=
null
null
;
synchronized
synchronized
(
application
) {
winner
= (
String
)
application
.
getAttribute
(
WINNER
);
}
iif
(
winner
==
null
null
) {
session
.
setAttribute
(
"buzzin.message"
,
"<b>No winner yet!</b>"
);
}
else
else
{
session
.
setAttribute
(
"buzzin.message"
,
"<b>Winner is: </b>"
+
winner
);
}
}
else
else
{
session
.
setAttribute
(
"buzzin.message"
,
"ERROR: Command "
+
command
+
" invalid."
);
}
RequestDispatcher rd
=
application
.
getRequestDispatcher
(
"/hosts/index.jsp"
);
rd
.
forward
(
request
,
response
);
}
else
else
{
out
.
println
(
"<html><head><title>Nice try, but... </title><head>"
);
out
.
println
(
"<body bgcolor=\"white\">"
);
out
.
println
(
"I'm sorry, Dave, but you know I can't allow you to do that."
);
out
.
println
(
"Even if you are "
+
request
.
getUserPrincipal
());
}
out
.
println
(
"</body></html>"
);
}
}
