private static Object newInstance(
final JBossServiceConfig serviceConfig,
final List<ClassReflectionIndex> mBeanClassHierarchy,
final ClassLoader deploymentClassLoader)
throws DeploymentUnitProcessingException {
// set TCCL so that the MBean instantiation happens in the deployment's classloader
final ClassLoader oldTCCL =
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(deploymentClassLoader);
try {
final JBossServiceConstructorConfig constructorConfig = serviceConfig.getConstructorConfig();
final int paramCount =
constructorConfig != null ? constructorConfig.getArguments().length : 0;
final Class<?>[] types = new Class<?>[paramCount];
final Object[] params = new Object[paramCount];
if (constructorConfig != null) {
final Argument[] arguments = constructorConfig.getArguments();
for (int i = 0; i < paramCount; i++) {
final Argument argument = arguments[i];
types[i] = ReflectionUtils.getClass(argument.getType(), deploymentClassLoader);
params[i] =
newValue(
ReflectionUtils.getClass(argument.getType(), deploymentClassLoader),
argument.getValue());
}
}
final Constructor<?> constructor = mBeanClassHierarchy.get(0).getConstructor(types);
final Object mBeanInstance = ReflectionUtils.newInstance(constructor, params);
return mBeanInstance;
} finally {
// switch back the TCCL
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(oldTCCL);
}
}
private static Value<?> getValue(
final ValueFactory valueFactory,
final List<ClassReflectionIndex> mBeanClassHierarchy,
final ClassLoader classLoader)
throws DeploymentUnitProcessingException {
final String methodName = valueFactory.getMethodName();
final ValueFactoryParameter[] parameters = valueFactory.getParameters();
final List<Class<?>> paramTypes = new ArrayList<Class<?>>(parameters.length);
final List<Value<?>> paramValues = new ArrayList<Value<?>>(parameters.length);
for (ValueFactoryParameter parameter : parameters) {
final Class<?> attributeTypeValue =
ReflectionUtils.getClass(parameter.getType(), classLoader);
paramTypes.add(attributeTypeValue);
paramValues.add(
new ImmediateValue<Object>(newValue(attributeTypeValue, parameter.getValue())));
}
final Value<Method> methodValue =
new ImmediateValue<Method>(
ReflectionUtils.getMethod(
mBeanClassHierarchy, methodName, paramTypes.toArray(new Class<?>[0]), true));
return cached(new MethodValue<Object>(methodValue, Values.injectedValue(), paramValues));
}
