/// <summary>
        /// Gets the $callback query parameter if present. Also performs some validation:
        /// We do not allow $callback to be present if the content-type for the response is going to be anythign but JSON or plain text.
        /// </summary>
        /// <param name="message">The request message.</param>
        /// <param name="format">The format we will write the reponse in.</param>
        /// <returns>Returns the name of the callback function $callback specifies, or null if there isn't one.</returns>
        internal static string HandleCallbackQueryOption(AstoriaRequestMessage message, ODataFormatWithParameters format)
        {
            var functionName = message.GetQueryStringItem(XmlConstants.HttpQueryStringCallback);

            if (functionName != null)
            {
                // The verb must be GET (not IsQuery(), GET specifically)
                if (message.HttpVerb != HttpVerbs.GET)
                {
                    throw new DataServiceException(400, Strings.CallbackQueryOptionHandler_GetRequestsOnly);
                }

                // If conneg didn't get a format, that means that there was some error that we will fail at later, or
                // it is going end up being a 204, 304, or something else with no body. For all of these cases we are OK
                // with 'pretending' that $callback was not there, since the other errors are probably more important than
                // ours, and in the non-error cases we really should not be throwing (think 204).
                if (format == null)
                {
                    return null;
                }

                // JSON and text/plain are the only things allowed with $callback
                if (format.Format != ODataFormat.Json && format.Format != ODataFormat.RawValue)
                {
                    throw new DataServiceException(400, Strings.CallbackQueryOptionHandler_UnsupportedContentType(format.Format.ToString()));
                }
            }

            return functionName;
        }
        public void Init()
        {
            // no media type specified
            this.metadataFormat = new ODataFormatWithParameters(ODataFormat.Metadata);

            // media type without parameters
            this.atomFormat = new ODataFormatWithParameters(ODataFormat.Atom, "application/atom+xml");

            // media type with parameters
            this.jsonLightFormat = new ODataFormatWithParameters(ODataFormat.Json, "application/atom+xml;odata.metadata=minimal");
        }
Ejemplo n.º 3
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        /// <summary>
        /// Gets the $callback query parameter if present. Also performs some validation:
        /// We do not allow $callback to be present if the content-type for the response is going to be anythign but JSON or plain text.
        /// </summary>
        /// <param name="message">The request message.</param>
        /// <param name="format">The format we will write the reponse in.</param>
        /// <returns>Returns the name of the callback function $callback specifies, or null if there isn't one.</returns>
        internal static string HandleCallbackQueryOption(AstoriaRequestMessage message, ODataFormatWithParameters format)
        {
            var functionName = message.GetQueryStringItem(XmlConstants.HttpQueryStringCallback);

            if (functionName != null)
            {
                // The verb must be GET (not IsQuery(), GET specifically)
                if (message.HttpVerb != HttpVerbs.GET)
                {
                    throw new DataServiceException(400, Strings.CallbackQueryOptionHandler_GetRequestsOnly);
                }

                // If conneg didn't get a format, that means that there was some error that we will fail at later, or
                // it is going end up being a 204, 304, or something else with no body. For all of these cases we are OK
                // with 'pretending' that $callback was not there, since the other errors are probably more important than
                // ours, and in the non-error cases we really should not be throwing (think 204).
                if (format == null)
                {
                    return(null);
                }

                // JSON and text/plain are the only things allowed with $callback
                if (format.Format != ODataFormat.Json && format.Format != ODataFormat.RawValue)
                {
                    throw new DataServiceException(400, Strings.CallbackQueryOptionHandler_UnsupportedContentType(format.Format.ToString()));
                }
            }

            return(functionName);
        }
 /// <summary>
 /// Creates a new instance of the <see cref="PayloadMetadataParameterInterpreter"/> class.
 /// </summary>
 /// <param name="format">The response format.</param>
 /// <returns>A new instance of the <see cref="PayloadMetadataParameterInterpreter"/> class.</returns>
 internal static PayloadMetadataParameterInterpreter Create(ODataFormatWithParameters format)
 {
     ODataFormat odataFormat = format == null ? null : format.Format;
     string rawParameterValue = format == null ? null : format.GetParameterValue(MediaTypeParameterName);
     return new PayloadMetadataParameterInterpreter(odataFormat, rawParameterValue);
 }