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From "Sam Starling (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (APLO-6) Alternative topic separators should be supported in Apollo, as in ActiveMQ
Date Wed, 18 May 2011 21:26:47 GMT

     [ https://issues.apache.org/jira/browse/APLO-6?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sam Starling reopened APLO-6:
-----------------------------


Hi Hiram,

I am indeed still interested in this issue - but apologies for not having replied to your
question sooner. My preference would be to configure this at a broker level - I would imagine
that most users would be using the same topic delimiters broker-wide, but would welcome input
from others.

Sam

> Alternative topic separators should be supported in Apollo, as in ActiveMQ
> --------------------------------------------------------------------------
>
>                 Key: APLO-6
>                 URL: https://issues.apache.org/jira/browse/APLO-6
>             Project: ActiveMQ Apollo
>          Issue Type: New Feature
>          Components: apollo-broker
>    Affects Versions: 1.0-beta2
>         Environment: All environments.
>            Reporter: Sam Starling
>            Assignee: Hiram Chirino
>            Priority: Minor
>              Labels: apollo, topic
>
> When using a character other than a period as a topic separator (.), Apollo throws the
following exception:
> {code} 
> org.apache.activemq.apollo.util.path.PathParser$PathException: Invalid destination path
part: 'event/abc', it does not match regex: [a-zA-Z0-9\_\-\%\~]+
> {code}
> In the example, we're using {{/topic/event/abc}} as a topic. In {{[PathParser.java|http://svn.apache.org/viewvc/activemq/activemq-apollo/trunk/apollo-util/src/main/scala/org/apache/activemq/apollo/util/path/PathParser.java?view=markup]}},
line 47 determines that {{path_seperator = new AsciiBuffer(".")}}. Thus, Apollo incorrectly
tokenizes the topic and so {{event/abc}} fails the regular expression on line 48 of the same
file.
> In short, it should be possible to specify what the topic separator is, or (even better)
detect when a different character is being used as a delimiter.

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