jboolean rvmRun(Env* env) {
Options* options = env->vm->options;
Class* clazz = NULL;
clazz = rvmFindClassUsingLoader(env, options->mainClass, systemClassLoader);
if (clazz) {
Method* method = rvmGetClassMethod(env, clazz, "main", "([Ljava/lang/String;)V");
if (method) {
ObjectArray* args = rvmNewObjectArray(env, options->commandLineArgsCount, java_lang_String, NULL, NULL);
if (args) {
jint i = 0;
for (i = 0; i < args->length; i++) {
// TODO: Don't assume modified UTF-8
args->values[i] = rvmNewStringUTF(env, options->commandLineArgs[i], -1);
if (!args->values[i]) {
args = NULL;
break;
}
}
if (args) rvmCallVoidClassMethod(env, clazz, method, args);
}
}
}
Object* throwable = rvmExceptionOccurred(env);
rvmDetachCurrentThread(env->vm, TRUE, FALSE);
rvmJoinNonDaemonThreads(env);
return throwable == NULL ? TRUE : FALSE;
}
jboolean rvmDestroyVM(VM* vm) {
Env* env;
if (JNI_OK != rvmAttachCurrentThread(vm, &env, NULL, NULL) ) {
WARN("rvmDestroy() failed to attach current thread.");
return FALSE;
}
Object* throwable = rvmExceptionOccurred(env);
rvmDetachCurrentThread(env->vm, TRUE, FALSE);
rvmJoinNonDaemonThreads(env);
return throwable == NULL ? TRUE : FALSE;
}
jboolean rvmRun(Env* env) {
Options* options = env->vm->options;
Class* clazz = NULL;
jboolean errorDuringSetup = FALSE;
//If our options has any properties, let's set them before we call our main.
if (options->properties) {
//First, find java.lang.System, which has the setProperty method.
clazz = rvmFindClassUsingLoader(env, "java/lang/System", NULL);
if (clazz) {
//Get the setProperty method.
Method* method = rvmGetClassMethod(env, clazz, "setProperty", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;");
if (method) {
SystemProperty* property = options->properties;
//Go through all of our properties and add each one in turn by calling setProperty.
while (property != NULL) {
Object* key = NULL;
Object* value = NULL;
//The key is not allowed to be an empty string, so don't set it if we don't get a key.
if(property->key && strlen(property->key) > 0) {
key = rvmNewStringUTF(env, property->key, -1);
} else {
FATAL("Cannot have empty key in system property.");
errorDuringSetup = TRUE;
break;
}
if (property->value) {
value = rvmNewStringUTF(env, property->value, -1);
} else {
value = rvmNewStringUTF(env, "", -1);
}
if (key && value) {
rvmCallObjectClassMethod(env, clazz, method, key, value);
} else {
if (!key) {
FATALF("Error creating string from system property key: %s", property->key);
}
if (!value) {
FATALF("Error creating string from system property value: %s", property->value);
}
errorDuringSetup = TRUE;
break;
}
property = property->next; //Advance to the next property.
}
}
}
}
if (!errorDuringSetup) {
clazz = rvmFindClassUsingLoader(env, options->mainClass, systemClassLoader);
if (clazz) {
Method* method = rvmGetClassMethod(env, clazz, "main", "([Ljava/lang/String;)V");
if (method) {
ObjectArray* args = rvmNewObjectArray(env, options->commandLineArgsCount, java_lang_String, NULL, NULL);
if (args) {
jint i = 0;
for (i = 0; i < args->length; i++) {
// TODO: Don't assume modified UTF-8
args->values[i] = rvmNewStringUTF(env, options->commandLineArgs[i], -1);
if (!args->values[i]) {
args = NULL;
break;
}
}
if (args) rvmCallVoidClassMethod(env, clazz, method, args);
}
}
}
}
Object* throwable = rvmExceptionOccurred(env);
rvmDetachCurrentThread(env->vm, TRUE, FALSE);
rvmJoinNonDaemonThreads(env);
return throwable == NULL ? TRUE : FALSE;
}
