protected virtual void DoPublish(RC.IModel channel, Address replyTo, IMessage <byte[]> message)
{
var props = channel.CreateBasicProperties();
MessagePropertiesConverter.FromMessageHeaders(message.Headers, props, EncodingUtils.GetEncoding(Encoding));
channel.BasicPublish(replyTo.ExchangeName, replyTo.RoutingKey, MandatoryPublish, props, message.Payload);
}
public object FromMessage(Message message, object conversionHint)
{
object content = null;
var properties = message.MessageProperties;
if (properties != null)
{
var contentType = properties.ContentType;
if ((AssumeSupportedContentType &&
(contentType == null || contentType.Equals(MessageProperties.DEFAULT_CONTENT_TYPE))) ||
(contentType != null && contentType.Contains(SupportedContentType.Subtype)))
{
var encoding = EncodingUtils.GetEncoding(properties.ContentEncoding);
if (encoding == null)
{
encoding = DefaultCharset;
}
content = DoFromMessage(message, conversionHint, properties, encoding);
}
else
{
_logger?.LogWarning("Could not convert incoming message with content-type ["
+ contentType + "], '" + SupportedContentType.Subtype + "' keyword missing.");
}
}
if (content == null)
{
content = message.Body;
}
return(content);
}
protected override Message CreateMessage(object objectToConvert, MessageProperties messageProperties, Type genericType)
{
byte[] bytes;
try
{
var jsonString = JsonConvert.SerializeObject(objectToConvert, Settings);
bytes = DefaultCharset.GetBytes(jsonString);
}
catch (Exception e)
{
throw new MessageConversionException("Failed to convert Message content", e);
}
messageProperties.ContentType = SupportedContentType.ToString();
messageProperties.ContentEncoding = EncodingUtils.GetEncoding(DefaultCharset);
messageProperties.ContentLength = bytes.Length;
// var type = genericType == null ? objectToConvert.GetType() : genericType;
// if (genericType != null && !type.isContainerType()
// && Modifier.isAbstract(type.getRawClass().getModifiers()))
// {
// type = this.objectMapper.constructType(objectToConvert.getClass());
// }
// FromType(type, messageProperties);
return(new Message(bytes, messageProperties));
}
protected override Message CreateMessage(object payload, MessageProperties messageProperties)
{
byte[] bytes = null;
if (payload is byte[])
{
bytes = (byte[])payload;
messageProperties.ContentType = MessageProperties.CONTENT_TYPE_BYTES;
}
else if (payload is string)
{
try
{
var enc = EncodingUtils.GetEncoding(DefaultCharset);
bytes = enc.GetBytes((string)payload);
}
catch (Exception e)
{
throw new MessageConversionException("failed to convert to Message content", e);
}
messageProperties.ContentType = MessageProperties.CONTENT_TYPE_TEXT_PLAIN;
messageProperties.ContentEncoding = DefaultCharset;
}
if (bytes != null)
{
messageProperties.ContentLength = bytes.Length;
return(new Message(bytes, messageProperties));
}
throw new ArgumentException("SimpleMessageConverter only supports String, and byte[] payloads, received: " + payload?.GetType().Name);
}
protected override IMessage CreateMessage(object payload, IMessageHeaders messageProperties, object conversionHint)
{
byte[] bytes = null;
var accessor = RabbitHeaderAccessor.GetMutableAccessor(messageProperties);
if (payload is byte[])
{
bytes = (byte[])payload;
accessor.ContentType = MessageHeaders.CONTENT_TYPE_BYTES;
}
else if (payload is string)
{
try
{
var enc = EncodingUtils.GetEncoding(DefaultCharset);
bytes = enc.GetBytes((string)payload);
}
catch (Exception e)
{
throw new MessageConversionException("failed to convert to Message content", e);
}
accessor.ContentType = MessageHeaders.CONTENT_TYPE_TEXT_PLAIN;
accessor.ContentEncoding = DefaultCharset;
}
else if (payload.GetType().IsSerializable)
{
try
{
var formatter = new BinaryFormatter();
var stream = new MemoryStream(512);
// TODO: don't disable this warning! https://aka.ms/binaryformatter
#pragma warning disable SYSLIB0011 // Type or member is obsolete
formatter.Serialize(stream, payload);
#pragma warning restore SYSLIB0011 // Type or member is obsolete
bytes = stream.ToArray();
accessor.ContentType = MessageHeaders.CONTENT_TYPE_DOTNET_SERIALIZED_OBJECT;
}
catch (Exception e)
{
throw new MessageConversionException("failed to convert serialized Message content", e);
}
}
if (bytes == null)
{
throw new ArgumentException("SimpleMessageConverter only supports string, byte[] and serializable payloads, received: " + payload?.GetType().Name);
}
var message = Message.Create(bytes, messageProperties);
accessor.ContentLength = bytes.Length;
return(message);
}
public override object FromMessage(Message message)
{
object content = null;
var properties = message.MessageProperties;
if (properties != null)
{
var contentType = properties.ContentType;
if (contentType != null && contentType.StartsWith("text"))
{
var encoding = properties.ContentEncoding;
if (encoding == null)
{
encoding = DefaultCharset;
}
try
{
var enc = EncodingUtils.GetEncoding(encoding);
content = enc.GetString(message.Body);
}
catch (Exception e)
{
throw new MessageConversionException(
"failed to convert text-based Message content", e);
}
}
else if (contentType != null &&
contentType.Equals(MessageProperties.CONTENT_TYPE_SERIALIZED_OBJECT))
{
throw new MessageConversionException("Content type: " + MessageProperties.CONTENT_TYPE_SERIALIZED_OBJECT + " unsupported");
}
}
if (content == null)
{
content = message.Body;
}
return(content);
}
public static async Task <HtmlTextReader> GetHtmlTextReaderAsync(this HttpContent content, Encoding defaultEncoding, bool detectEncoding)
{
// Try to get the stream's encoding from the Response Headers, or fall back on default.
// We will also try to detect the encoding from the Byte Order Mark if there is no encoding supplied
// by the headers. If both of these fail, the Parser should look for an encoding in the <meta> tags of
// the html itself.
Encoding encoding = defaultEncoding;
// Try to detect the encoding from Http Headers
bool gotEncodingFromHttpHeaders = false;
if (detectEncoding)
{
var contentHeaders = content.Headers;
string charset = (contentHeaders.ContentType != null) ? contentHeaders.ContentType.CharSet : null;
encoding = EncodingUtils.GetEncoding(charset);
gotEncodingFromHttpHeaders = encoding != null;
encoding = (encoding == null ? defaultEncoding : encoding);
System.Diagnostics.Debug.WriteLine("Detected encoding: charset: " + charset + ", got encoding from headers: " + gotEncodingFromHttpHeaders);
}
// Out of band encoding can be either passed in by clients, or found in the http headers...
bool gotEncodingFromOutOfBandSource = !detectEncoding || gotEncodingFromHttpHeaders;
EncodingConfidence encodingConfidence = gotEncodingFromOutOfBandSource ? EncodingConfidence.Certain : EncodingConfidence.Tentative;
// If encoding was NOT supplied out of band, then we will try to detect it from the stream's BOM
bool tryToDetectEncodingFromByteOrderMark = (encodingConfidence == EncodingConfidence.Tentative);
// Get the stream from the network
Stream networkStream = await content.ReadAsStreamAsync().ConfigureAwait(false);
// If we are still tentative about the encoding, pop the stream into a wrapper that let's us re-wind.
Stream baseStream = (encodingConfidence == EncodingConfidence.Tentative) ? new HtmlStream(networkStream) : networkStream;
// Return a HtmlTextReader with the encoding as detected so far...
HtmlTextReader htmlReader = new HtmlTextReader(baseStream, encoding, encodingConfidence);
return(htmlReader);
}
public override object FromMessage(IMessage from, Type targetType, object convertionsHint)
{
if (from is not IMessage <byte[]> message)
{
throw new MessageConversionException("Failed to convert non byte[] Message content" + from.GetType());
}
object content = null;
var properties = message.Headers;
if (properties != null)
{
var contentType = properties.ContentType();
if (contentType != null && contentType.StartsWith("text"))
{
var encoding = properties.ContentEncoding();
if (encoding == null)
{
encoding = DefaultCharset;
}
try
{
var enc = EncodingUtils.GetEncoding(encoding);
content = enc.GetString(message.Payload);
}
catch (Exception e)
{
throw new MessageConversionException(
"failed to convert text-based Message content", e);
}
}
else if (contentType != null &&
contentType.Equals(MessageHeaders.CONTENT_TYPE_DOTNET_SERIALIZED_OBJECT))
{
try
{
var formatter = new BinaryFormatter();
var stream = new MemoryStream(message.Payload);
// TODO: don't disable this warning! https://aka.ms/binaryformatter
#pragma warning disable SYSLIB0011 // Type or member is obsolete
#pragma warning disable S5773 // Types allowed to be deserialized should be restricted
content = formatter.Deserialize(stream);
#pragma warning restore S5773 // Types allowed to be deserialized should be restricted
#pragma warning restore SYSLIB0011 // Type or member is obsolete
}
catch (Exception e)
{
throw new MessageConversionException("failed to convert serialized Message content", e);
}
}
else if (contentType != null &&
contentType.Equals(MessageHeaders.CONTENT_TYPE_JAVA_SERIALIZED_OBJECT))
{
throw new MessageConversionException("Content type: " + MessageHeaders.CONTENT_TYPE_JAVA_SERIALIZED_OBJECT + " unsupported");
}
}
if (content == null)
{
_logger?.LogDebug("FromMessage() returning message payload unchanged");
content = message.Payload;
}
return(content);
}
public override object FromMessage(IMessage from, Type targetType, object convertionsHint)
{
IMessage <byte[]> message = from as IMessage <byte[]>;
if (message == null)
{
throw new MessageConversionException("Failed to convert non byte[] Message content" + from.GetType());
}
object content = null;
var properties = message.Headers;
if (properties != null)
{
var contentType = properties.ContentType();
if (contentType != null && contentType.StartsWith("text"))
{
var encoding = properties.ContentEncoding();
if (encoding == null)
{
encoding = DefaultCharset;
}
try
{
var enc = EncodingUtils.GetEncoding(encoding);
content = enc.GetString(message.Payload);
}
catch (Exception e)
{
throw new MessageConversionException(
"failed to convert text-based Message content", e);
}
}
else if (contentType != null &&
contentType.Equals(MessageHeaders.CONTENT_TYPE_DOTNET_SERIALIZED_OBJECT))
{
try
{
var formatter = new BinaryFormatter();
var stream = new MemoryStream(message.Payload);
content = formatter.Deserialize(stream);
}
catch (Exception e)
{
throw new MessageConversionException("failed to convert serialized Message content", e);
}
}
else if (contentType != null &&
contentType.Equals(MessageHeaders.CONTENT_TYPE_JAVA_SERIALIZED_OBJECT))
{
throw new MessageConversionException("Content type: " + MessageHeaders.CONTENT_TYPE_JAVA_SERIALIZED_OBJECT + " unsupported");
}
}
if (content == null)
{
_logger?.LogDebug("FromMessage() returning message payload unchanged");
content = message.Payload;
}
return(content);
}
protected virtual void DoPublish(IModel channel, Address replyTo, Message message)
{
channel.BasicPublish(
replyTo.ExchangeName,
replyTo.RoutingKey,
MandatoryPublish,
MessagePropertiesConverter.FromMessageProperties(message.MessageProperties, channel.CreateBasicProperties(), EncodingUtils.GetEncoding(Encoding)),
message.Body);
}
