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From "Jason Royals (JIRA)" <j...@apache.org>
Subject [jira] Created: (CAMEL-1212) Improve JMS header name endocing/decoding strategy
Date Fri, 02 Jan 2009 00:08:05 GMT
Improve JMS header name endocing/decoding strategy
--------------------------------------------------

                 Key: CAMEL-1212
                 URL: https://issues.apache.org/activemq/browse/CAMEL-1212
             Project: Apache Camel
          Issue Type: Improvement
          Components: camel-jms
    Affects Versions: 1.5.0
            Reporter: Jason Royals


We have a scenario where we need to perform the following style of integration:

{code}
HTTP -> JMS -> HTTP
{code}

The final HTTP endpoint needs to receive the headers as they were in the original HTTP request.
 However, I am finding that the HTTP headers that contain a hyphen (such as Content-Type,
Content-Length etc) are being omitted when the messages go onto the queue.  

{{JmsBinding}} has two static methods to perform some basic header manipulation to "encode"
and "decode" headers that are not valid Java identifiers.  However, the strategy employed
does not handle hyphens or other illegal characters, only periods.  Secondly, as static methods
they cannot be overridden by my own extension of {{JmsBinding}}.  And finally, {{JmsHeaderFilterStrategy}}
has a static link back to these methods in {{JmsBinding}} so that makes it hard to replace.

To me, it would be more appropriate that {{HeaderFilterStrategy}} implementations should actually
contain the code to
# Advise if a header needs to be encoded/decoded, which it already does, but in addition;
# Actually perform that encoding/decoding in it's own implementation-specific way

This affects 1.5.0 but it's also in the trunk like this.

I have a workaround which is a little messy but it works :-)

Thanks,
Jason

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