83 lines
3.1 KiB
C#
83 lines
3.1 KiB
C#
/*
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Copyright 2015 Google Inc
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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using System.Net.Http;
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using System.Threading.Tasks;
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using Newtonsoft.Json;
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using Google.Apis.Json;
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using Google.Apis.Requests;
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using Google.Apis.Services;
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using Google.Apis.Util;
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namespace Google.Apis.Media
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{
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/// <summary>
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/// Common error handling code for the Media API.
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/// </summary>
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internal static class MediaApiErrorHandling
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{
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/// <summary>
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/// Creates a suitable exception for an HTTP response, attempting to parse the body as
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/// JSON but falling back to just using the text as the message.
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/// </summary>
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internal static Task<GoogleApiException> ExceptionForResponseAsync(
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IClientService service,
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HttpResponseMessage response)
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{
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return ExceptionForResponseAsync(service.Serializer, service.Name, response);
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}
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/// <summary>
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/// Creates a suitable exception for an HTTP response, attempting to parse the body as
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/// JSON but falling back to just using the text as the message.
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/// </summary>
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internal static async Task<GoogleApiException> ExceptionForResponseAsync(
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ISerializer serializer,
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string name,
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HttpResponseMessage response)
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{
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// If we can't even read the response, let that exception bubble up, just as it would have done
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// if the error had been occurred when sending the request.
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string responseText = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
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RequestError parsedError = null;
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string message = responseText;
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try
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{
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var parsedResponse = (serializer ?? NewtonsoftJsonSerializer.Instance).Deserialize<StandardResponse<object>>(responseText);
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if (parsedResponse != null && parsedResponse.Error != null)
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{
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parsedError = parsedResponse.Error;
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message = parsedError.ToString();
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}
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}
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catch (JsonException)
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{
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// Just make do with a null RequestError, and the message set to the body of the response.
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// The contents of the caught exception aren't particularly useful - we don't need to include it
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// as a cause, for example. The expectation is that the exception returned by this method (below)
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// will be thrown by the caller.
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}
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return new GoogleApiException(name ?? "", message)
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{
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Error = parsedError,
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HttpStatusCode = response.StatusCode
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};
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}
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}
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}
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