@Override
public Result invoke(Invoker<?> invoker, Invocation invocation) throws CallerException {
String reqSV = invoker.getInterface().getName();
String reqMethod = invocation.getMethodName();
Object[] requestParams = invocation.getArguments();
// 交易序列
String tradeSeq = UUIDUtil.genId32();
// 打印请求参数明细
if (CollectionUtil.isEmpty(requestParams)) {
LOG.info(
"TRADE_SEQ:{},拦截类型:{},请求类(接口):{},请求方法:{},请求参数:{}",
tradeSeq,
"Dubbo请求参数拦截(无参数)",
reqSV,
reqMethod,
"");
} else {
LOG.info(
"TRADE_SEQ:{},拦截类型:{},请求类(接口):{},请求方法:{},请求参数:{}",
tradeSeq,
"Dubbo请求参数拦截(有参数)",
reqSV,
reqMethod,
JSON.toJSONString(requestParams));
}
// ThreadLocalUtils.set(REQUEST_PARAM, tradeSeq);
// 执行结果
Result result = null;
try {
// 校验租户ID是否存在
/*boolean isOK=validateTenantId(requestParams);
if(!isOK){
throw new BusinessException(MyXAppPaaSConstant.ExceptionCode.PARAM_IS_NULL, "租户ID(tenantId)不能为空！");
}*/
result = invoker.invoke(invocation);
if (result.hasException()) {
LOG.error(
"TRADE_SEQ:{},Dubbo服务端执行{}类中的{}方法发生异常",
tradeSeq,
reqSV,
reqMethod,
result.getException());
throw DubboExceptAssembler.assemble(result.getException());
}
LOG.info(
"TRADE_SEQ:{},拦截类型:{},请求结果:{}",
tradeSeq,
"Dubbo请求返回结果拦截",
JSON.toJSONString(result.getValue()));
return result;
} catch (Exception ex) {
LOG.error("TRADE_SEQ:{},执行{}类中的{}方法发生异常:", tradeSeq, reqSV, reqMethod, ex);
RpcResult r = new RpcResult();
r.setException(DubboExceptAssembler.assemble(ex));
return r;
}
}
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
String generic = invoker.getUrl().getParameter(Constants.GENERIC_KEY);
if (ProtocolUtils.isGeneric(generic)
&& !Constants.$INVOKE.equals(invocation.getMethodName())
&& invocation instanceof RpcInvocation) {
RpcInvocation invocation2 = (RpcInvocation) invocation;
String methodName = invocation2.getMethodName();
Class<?>[] parameterTypes = invocation2.getParameterTypes();
Object[] arguments = invocation2.getArguments();
String[] types = new String[parameterTypes.length];
for (int i = 0; i < parameterTypes.length; i++) {
types[i] = ReflectUtils.getName(parameterTypes[i]);
}
Object[] args = PojoUtils.generalize(arguments);
invocation2.setMethodName(Constants.$INVOKE);
invocation2.setParameterTypes(GENERIC_PARAMETER_TYPES);
invocation2.setArguments(new Object[] {methodName, types, args});
Result result = invoker.invoke(invocation2);
if (!result.hasException()) {
Object value = result.getValue();
try {
Method method = invoker.getInterface().getMethod(methodName, parameterTypes);
return new RpcResult(
PojoUtils.realize(value, method.getReturnType(), method.getGenericReturnType()));
} catch (NoSuchMethodException e) {
throw new RpcException(e.getMessage(), e);
}
} else if (result.getException() instanceof GenericException) {
GenericException exception = (GenericException) result.getException();
try {
String className = exception.getExceptionClass();
Class<?> clazz = ReflectUtils.forName(className);
Throwable targetException = null;
Throwable lastException = null;
try {
targetException = (Throwable) clazz.newInstance();
} catch (Throwable e) {
lastException = e;
for (Constructor<?> constructor : clazz.getConstructors()) {
try {
targetException =
(Throwable)
constructor.newInstance(new Object[constructor.getParameterTypes().length]);
break;
} catch (Throwable e1) {
lastException = e1;
}
}
}
if (targetException != null) {
try {
Field field = Throwable.class.getDeclaredField("detailMessage");
if (!field.isAccessible()) {
field.setAccessible(true);
}
field.set(targetException, exception.getExceptionMessage());
} catch (Throwable e) {
logger.warn(e.getMessage(), e);
}
result = new RpcResult(targetException);
} else if (lastException != null) {
throw lastException;
}
} catch (Throwable e) {
throw new RpcException(
"Can not deserialize exception "
+ exception.getExceptionClass()
+ ", message: "
+ exception.getExceptionMessage(),
e);
}
}
return result;
}
if (invocation.getMethodName().equals(Constants.$INVOKE)
&& invocation.getArguments() != null
&& invocation.getArguments().length == 3
&& ProtocolUtils.isGeneric(generic)) {
if (ProtocolUtils.isJavaGenericSerialization(generic)) {
Object[] args = (Object[]) invocation.getArguments()[2];
for (Object arg : args) {
if (!(byte[].class == arg.getClass())) {
error(arg.getClass().getName());
}
}
}
((RpcInvocation) invocation)
.setAttachment(
Constants.GENERIC_KEY, invoker.getUrl().getParameter(Constants.GENERIC_KEY));
}
return invoker.invoke(invocation);
}