/** Log an exception that occurred during the processing of a request or response. */
public void logException(HNetError e) {
log.log(String.format("---- ERROR %s", e.getUrl() != null ? e.getUrl() : ""));
StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
log.log(sw.toString());
log.log("---- END ERROR");
}
/** 同步方法直接返回response对象。异步方法返回{@link ResponseWrapper}对象 */
private Object invokeRequest(RequestIntercept intercept, MethodInfo methodInfo, Object[] args) {
String url = null;
try {
methodInfo.init();
String serverUrl = server.getUrl();
final RequestFilter filter;
if (methodInfo.filter != null) {
filter = methodInfo.filter.newInstance();
} else {
filter = RequestFilter.NONE;
}
final RequestBuilder builder =
new RequestBuilder(
serverUrl,
filter,
methodInfo.callIntercept,
methodInfo.appendPath,
methodInfo,
converter,
intercept);
builder.bindArgs(args, intercept);
filter.onComplite(builder);
intercept.onComplite(builder);
Request request = builder.build();
url = request.getUrl();
if (!methodInfo.isSynchronous && methodInfo.appendPath) {
// If we are executing asynchronously then update the current thread with a useful name.
int substrEnd = url.indexOf("?", serverUrl.length());
if (substrEnd == -1) {
substrEnd = url.length();
}
Thread.currentThread()
.setName(THREAD_PREFIX + url.substring(serverUrl.length(), substrEnd));
}
if (logLevel.log()) {
// Log the request data.
request = logAndReplaceRequest("HTTP", request, args);
}
long start = System.nanoTime();
Response response = clientProvider.get().execute(request);
long elapsedTime = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - start);
int statusCode = response.getStatus();
if (logLevel.log()) {
// Log the response data.
response = logAndReplaceResponse(url, response, elapsedTime);
}
Type type = methodInfo.responseObjectType;
if (statusCode >= 200 && statusCode < 300) { // 2XX == successful request
// Caller requested the raw Response object directly.
if (type.equals(Response.class)) {
if (!methodInfo.isStreaming) {
// Read the entire stream and replace with one backed by a byte[].
response = Utils.readBodyToBytesIfNecessary(response);
}
if (methodInfo.isSynchronous) {
return response;
}
return new ResponseWrapper(response, response);
}
TypedInput body = response.getBody();
if (body == null) {
if (methodInfo.isSynchronous) {
return null;
}
return new ResponseWrapper(response, null);
}
ExceptionCatchingTypedInput wrapped = new ExceptionCatchingTypedInput(body);
try {
Object convert = converter.fromBody(wrapped, type);
logResponseBody(body, convert);
if (methodInfo.isSynchronous) {
return convert;
}
return new ResponseWrapper(response, convert);
} catch (ConversionException e) {
if (wrapped.threwException()) {
throw wrapped.getThrownException();
}
response = Utils.replaceResponseBody(response, null);
throw HNetError.conversionError(url, response, converter, type, e);
}
}
response = Utils.readBodyToBytesIfNecessary(response);
throw HNetError.httpError(url, response, converter, type);
} catch (HNetError e) {
throw e;
} catch (IOException e) {
if (logLevel.log()) {
logException(e, url);
}
throw HNetError.networkError(url, e);
} catch (Throwable t) {
if (logLevel.log()) {
logException(t, url);
}
throw HNetError.unexpectedError(url, t);
} finally {
if (!methodInfo.isSynchronous) {
Thread.currentThread().setName(IDLE_THREAD_NAME);
}
}
}