[mule-user] How to read response from HTTP outbound endpoint...

[ohhenry]

I have....

<http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8081" />
<object-to-string-transformer />

<custom-transformer class="com.worldpay.transformer.MyTransformer" />

<enricher target="#[variable:test]">
<jdbc:outbound-endpoint queryKey="merchantMap" exchange-pattern="request-response" />
</enricher>

<custom-transformer class="com.worldpay.transformer.MyTransformer2" />

<response>
<http:http-response-to-string-transformer />
<custom-transformer class="com.worldpay.transformer.TestTransformer" />
</response>

<http:outbound-endpoint exchange-pattern="request-response" host="xxx.xxx.xxx.xxxx" port="80" path="path" method="POST"/>

So basically I want to read the body of the HTTP output convert it and pass it back to the client as HTTP response.

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[David Dossot]

And what is the question?

[ohhenry]

My TestTransformer receives

DEBUG 2011-12-05 12:07:34,682 [connector.http.mule.default.receiver.03] com.worldpay.transformer.TestTransformer: Object after transform:
org.mule.DefaultMuleMessage
{
id=a024e04a-1f63-11e1-975a-c997e9e65178
payload=org.mule.transport.http.ReleasingInputStream
correlationId=<not set>
correlationGroup=-1
correlationSeq=-1
encoding=UTF-8
exceptionPayload=<not set>

Message properties:
INVOCATION scoped properties:
INBOUND scoped properties:
Connection=true
Date=Mon, 05 Dec 2011 17:07:33 GMT
Keep-Alive=true
Server=Microsoft-IIS/6.0
X-Powered-By=ASP.NET
http.method=POST
http.request=http://mtldevtiis/stlink/ct/stlink.dll
http.status=200
http.version=HTTP/1.1
OUTBOUND scoped properties:
MULE_ENCODING=UTF-8
MULE_SESSION=rO0ABXNyACNvcmcubXVsZS5zZXNzaW9uLkRlZmF1bHRNdWxlU2Vzc2lvbi7rdtEW7GGKAwAEWgAFdmFsaWRMAAJpZHQAEkxqYXZhL2xhbmcvU3RyaW5nO0wACnByb3BlcnRpZXN0AA9MamF2YS91dGlsL01hcDtMAA9zZWN1cml0eUNvbnRleHR0ACdMb3JnL211bGUvYXBpL3NlY3VyaXR5L1NlY3VyaXR5Q29udGV4dDt4cAF0ACRhMDFkZGI1Mi0xZjYzLTExZTEtOTc1YS1jOTk3ZTllNjUxNzhzcgARamF2YS51dGlsLkhhc2hNYXAFB9rBwxZg0QMAAkYACmxvYWRGYWN0b3JJAAl0aHJlc2hvbGR4cD9AAAAAAAAMdwgAAAAQAAAAAHhwdAAHQXBhY3MzMHg=
SESSION scoped properties:
}

I thought by adding the http-response-to-string my test transformer would receive a String in the payload... further more I lose all my invocation variables that where set prior to calling the http end point.

[David Dossot]

You need to use <object-to-string-transformer /> if you want to turn the HTTP response input stream into a String.

Regarding the message properties: they get lost because the HTTP response becomes the new context. If you want to keep them, perform the HTTP call via an enricher.

HTH

D.

[ohhenry]

Hey David you are quite a helpufull guy! It worked... I figured the http-response-to-string would work but I guess not...

[ohhenry]

Ok so I now i put an enricher around my endpoint...

<enricher target="#[variable:out]">
<http:outbound-endpoint exchange-pattern="request-response" host="xxx.xxx.xxx.xxx" port="80" path="path" method="POST">
<object-to-string />
</http:outbound-endpoint>
</enricher>

But my invocation variable is of type...

org.mule.transport.http.ReleasingInputStream

[David Dossot]

What if you put:

<response>

  <object-to-string-transformer />

<response>

inside the http:outbound-endpoint?

[ohhenry]

Thanks once more...