/// <summary>
/// Validates the message against the schema from the given path.
/// </summary>
/// <param name="message"><see cref="BrokeredMessage"/> instance.</param>
/// <param name="validator"><see cref="ISchemaValidator"/> instance.</param>
/// <param name="schemaPathPropertyKey">Property key for the schema path.</param>
/// <returns>Returns the <see cref="BrokeredMessage"/> instance, if validated; otherwise throws an exception.</returns>
public static async Task <BrokeredMessage> ValidateAsync(this BrokeredMessage message, ISchemaValidator validator, string schemaPathPropertyKey = "schemaPath")
{
message.ThrowIfNullOrDefault();
validator.ThrowIfNullOrDefault();
schemaPathPropertyKey.ThrowIfNullOrWhiteSpace();
var cloned = message.Clone();
var payload = default(string);
using (var stream = cloned.GetBody <Stream>())
using (var reader = new StreamReader(stream))
{
payload = await reader.ReadToEndAsync().ConfigureAwait(false);
}
if (payload.IsNullOrWhiteSpace())
{
throw new MessageBodyZeroLengthException().WithServiceBusMessage(cloned);
}
var path = cloned.Properties[schemaPathPropertyKey] as string;
if (path.IsNullOrWhiteSpace())
{
throw new SchemaPathNotExistException().WithServiceBusMessage(cloned);
}
var validated = await validator.ValidateAsync(payload, path).ConfigureAwait(false);
return(message);
}
private static async Task <bool> ValidateAsync(HttpRequestMessage request, ISchemaValidator validator, string path)
{
var payload = await request.Content.ReadAsStringAsync().ConfigureAwait(false);
var validated = await validator.ValidateAsync(payload, path).ConfigureAwait(false);
return(validated);
}
private async Task <IEnumerable <Error> > GetValidationErrorsAsync(Route route,
ExpandoObject payload, string schema)
{
if (string.IsNullOrWhiteSpace(schema))
{
return(Enumerable.Empty <Error>());
}
return(await _schemaValidator.ValidateAsync(JsonConvert.SerializeObject(payload), schema));
}
public async Task <IEnumerable <Error> > GetValidationErrorsAsync(PayloadSchema payloadSchema)
{
if (string.IsNullOrWhiteSpace(payloadSchema.Schema))
{
return(Enumerable.Empty <Error>());
}
return(await _schemaValidator.ValidateAsync(JsonConvert.SerializeObject(payloadSchema.Payload),
payloadSchema.Schema));
}
/// <summary>
/// Validates the payload against the schema from the sink.
/// </summary>
/// <param name="payload">JSON payload.</param>
/// <param name="validator"><see cref="ISchemaValidator"/> instance.</param>
/// <param name="path">Schema path in the sink.</param>
/// <returns>Returns the payload, if the payload is valid; otherwise throws <see cref="SchemaValidationException"/>.</returns>
public static async Task <string> ValidateAsStringAsync(this string payload, ISchemaValidator validator, string path)
{
payload.ThrowIfNullOrWhiteSpace();
validator.ThrowIfNullOrDefault();
path.ThrowIfNullOrWhiteSpace();
var validated = await validator.ValidateAsync(payload, path).ConfigureAwait(false);
return(payload);
}
private static async Task <bool> ValidateAsync(string payload, ISchemaValidator validator, string path)
{
var validated = await validator.ValidateAsync(payload, path).ConfigureAwait(false);
return(validated);
}
