/* Execute a callback to the associated Java peer. */
void
AwtObject::DoCallback(const char* methodName, const char* methodSig, ...)
{
JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
/* don't callback during the create & initialization process */
if (m_peerObject != NULL && m_callbacksEnabled) {
va_list args;
va_start(args, methodSig);
#ifdef DEBUG
if (reportEvents) {
jstring targetStr =
(jstring)JNU_CallMethodByName(env, NULL, GetTarget(env),
"getName",
"()Ljava/lang/String;").l;
DASSERT(!safe_ExceptionOccurred(env));
printf("Posting %s%s method to %S\n", methodName, methodSig,
TO_WSTRING(targetStr));
}
#endif
/* caching would do much good here */
JNU_CallMethodByNameV(env, NULL, GetPeer(env),
methodName, methodSig, args);
{
jthrowable exc = safe_ExceptionOccurred(env);
if (exc) {
env->DeleteLocalRef(exc);
env->ExceptionDescribe();
env->ExceptionClear();
}
}
DASSERT(!safe_ExceptionOccurred(env));
va_end(args);
}
}
JNIEXPORT jvalue JNICALL
JNU_CallMethodByName(JNIEnv *env,
jboolean *hasException,
jobject obj,
const char *name,
const char *signature,
...)
{
jvalue result;
va_list args;
va_start(args, signature);
result = JNU_CallMethodByNameV(env, hasException, obj, name, signature,
args);
va_end(args);
return result;
}