internal static DefaultFullHttpResponse ExceptionCaught(Exception cause)
{
Exception e = cause is Exception ? (Exception)cause : new Exception(cause);
if (Log.IsTraceEnabled())
{
Log.Trace("GOT EXCEPITION", e);
}
//Convert exception
if (e is ParamException)
{
ParamException paramexception = (ParamException)e;
e = new ArgumentException("Invalid value for webhdfs parameter \"" + paramexception
.GetParameterName() + "\": " + e.InnerException.Message, e);
}
else
{
if (e is ContainerException || e is SecurityException)
{
e = ToCause(e);
}
else
{
if (e is RemoteException)
{
e = ((RemoteException)e).UnwrapRemoteException();
}
}
}
//Map response status
HttpResponseStatus s;
if (e is SecurityException)
{
s = HttpResponseStatus.Forbidden;
}
else
{
if (e is AuthorizationException)
{
s = HttpResponseStatus.Forbidden;
}
else
{
if (e is FileNotFoundException)
{
s = HttpResponseStatus.NotFound;
}
else
{
if (e is IOException)
{
s = HttpResponseStatus.Forbidden;
}
else
{
if (e is NotSupportedException)
{
s = HttpResponseStatus.BadRequest;
}
else
{
if (e is ArgumentException)
{
s = HttpResponseStatus.BadRequest;
}
else
{
Log.Warn("INTERNAL_SERVER_ERROR", e);
s = HttpResponseStatus.InternalServerError;
}
}
}
}
}
}
byte[] js = Sharpen.Runtime.GetBytesForString(JsonUtil.ToJsonString(e), Charsets.
Utf8);
DefaultFullHttpResponse resp = new DefaultFullHttpResponse(HttpVersion.Http11, s,
Unpooled.WrappedBuffer(js));
resp.Headers().Set(HttpHeaders.Names.ContentType, WebHdfsHandler.ApplicationJsonUtf8
);
resp.Headers().Set(HttpHeaders.Names.ContentLength, js.Length);
return(resp);
}
public virtual Response ToResponse(Exception e)
{
if (Log.IsTraceEnabled())
{
Log.Trace("GOT EXCEPITION", e);
}
//clear content type
response.SetContentType(null);
//Convert exception
if (e is ParamException)
{
ParamException paramexception = (ParamException)e;
e = new ArgumentException("Invalid value for webhdfs parameter \"" + paramexception
.GetParameterName() + "\": " + e.InnerException.Message, e);
}
if (e is ContainerException)
{
e = ToCause(e);
}
if (e is RemoteException)
{
e = ((RemoteException)e).UnwrapRemoteException();
}
if (e is SecurityException)
{
e = ToCause(e);
}
//Map response status
Response.Status s;
if (e is SecurityException)
{
s = Response.Status.Forbidden;
}
else
{
if (e is AuthorizationException)
{
s = Response.Status.Forbidden;
}
else
{
if (e is FileNotFoundException)
{
s = Response.Status.NotFound;
}
else
{
if (e is IOException)
{
s = Response.Status.Forbidden;
}
else
{
if (e is NotSupportedException)
{
s = Response.Status.BadRequest;
}
else
{
if (e is ArgumentException)
{
s = Response.Status.BadRequest;
}
else
{
Log.Warn("INTERNAL_SERVER_ERROR", e);
s = Response.Status.InternalServerError;
}
}
}
}
}
}
string js = JsonUtil.ToJsonString(e);
return(Response.Status(s).Type(MediaType.ApplicationJson).Entity(js).Build());
}