Java Reference
In-Depth Information
myEnv
,
myClass
,
"main"
,
"([Ljava/lang/String;)V"
);
/* myMethod = (*myEnv)->GetMethodID(myEnv, myClass, "test", "(I)I"); */
iif
(
myMethod
==
NULL
) {
fprintf
(
stderr
,
"GetStaticMethodID failed\\n"
);
exit
(
1
);
}
/* Since we're calling main, must pass along the command line arguments,
* in the form of Java String array
*/
iif
((
stringClass
=
(
*
myEnv
)
->
FindClass
(
myEnv
,
"java/lang/String"
))
==
NULL
){
fprintf
(
stderr
,
"get of String class failed!!\\n"
);
exit
(
1
);
}
/* make an array of Strings, subtracting 1 for progname & 1 for the
* java class name */
iif
((
args
=
(
*
myEnv
)
->
NewObjectArray
(
myEnv
,
argc
-
2
,
stringClass
,
NULL
))
==
NULL
) {
fprintf
(
stderr
,
"Create array failed!\\n"
);
exit
(
1
);
}
/* fill the array */
for
for
(
i
=
2
;
i
<
argc
;
i
++
)
(
*
myEnv
)
->
SetObjectArrayElement
(
myEnv
,
args
,
i
-
2
, (
*
myEnv
)
->
NewStringUTF
(
myEnv
,
argv
[
i
]));
/* finally, call the method. */
(
*
myEnv
)
->
CallStaticVoidMethodA
(
myEnv
,
myClass
,
myMethod
,
&
args
);
/* And check for exceptions */
iif
((
tossed
=
(
*
myEnv
)
->
ExceptionOccurred
(
myEnv
))
!=
NULL
) {
fprintf
(
stderr
,
"%s: Exception detected:\\n"
,
argv
[
0
]);
(
*
myEnv
)
->
ExceptionDescribe
(
myEnv
);
/* writes on stderr */
(
*
myEnv
)
->
ExceptionClear
(
myEnv
);
/* OK, we're done with it. */
}
(
*
jvm
)
->
DestroyJavaVM
(
jvm
);
/* no error checking as we're done anyhow */
return
return
0
;
}
[
65
]
kwrite
is Unix-specific; it's a part of the
K Desktop Environment (KDE)
.
