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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] Updated: (AMQCPP-261) Handle Multibyte Strings or Strings encoded in Charsets other than US-ASCII
Date Mon, 25 Jan 2010 20:20:32 GMT

     [ https://issues.apache.org/activemq/browse/AMQCPP-261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish updated AMQCPP-261:
--------------------------------

    Fix Version/s: 3.2.0

> Handle Multibyte Strings or Strings encoded in Charsets other than US-ASCII
> ---------------------------------------------------------------------------
>
>                 Key: AMQCPP-261
>                 URL: https://issues.apache.org/activemq/browse/AMQCPP-261
>             Project: ActiveMQ C++ Client
>          Issue Type: Improvement
>          Components: CMS Impl, Decaf, Openwire
>    Affects Versions: 3.0.1
>            Reporter: Timothy Bish
>            Assignee: Timothy Bish
>             Fix For: 3.2.0
>
>
> The CMS API defines the interface for Strings in the TextMessage using the C++ std::string
and const char* primitives and doesn't consider character encodings in its interface or the
use of multibyte string representations.  
> In order to allow the use of Strings between Java and C++ and .NET clients the strings
in the TextMessage as well as those in MapMessage, StreamMessage, and BytesMessage (when wreiteUTF
and readUTF are called) as well as message properties of the string type are encoded in the
JAVA standard Modified UTF-8 format for serialized strings.  This design makes the assumption
that strings passed are in US-ASCII format and that the strings from the broker are also encoded
with no char values greater than 255 and throws an exception if one is encountered.  
> The CMS interface needs to be extended to allow for more flexible string handling and
offer a mechanism to deal with string encodings other than ASCII. 
> Another alternative is to change the assumption about strings in the CMS API to assume
that all string are given as either ASCII strings with chars < 127 and no embedded nulls
or are already encoded by the user as Modified UTF-8 by the user so that a Java or .NET client
can read all strings sent in CMS Messages as well.

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