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MQSeries.net Forum Index » General IBM MQ Support » ASCII or Binary

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solomon_13000
PostPosted: Sun Sep 28, 2008 4:11 am    Post subject: ASCII or Binary Reply with quote

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Joined: 13 Jun 2008
Posts: 284
Is there any attribute in MQ that can change the message data into ASCII or Binary?. Or must this be done at the application level that is talking to MQ?.
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fjb_saper
PostPosted: Sun Sep 28, 2008 8:09 am    Post subject: Re: ASCII or Binary Reply with quote

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Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
solomon_13000 wrote:
Is there any attribute in MQ that can change the message data into ASCII or Binary?. Or must this be done at the application level that is talking to MQ?.

In order to switch the message content you MUST be dealing with a text message (MQFMT_STRING) or javax.jms.TextMessage (same difference).

When you receive the message in MQ you will specify get with convert in the options. In JMS you do not have to specify anything.

Now the conversion will happen in CCSID terms.
In MQ you can indicate a destination CCSID on the MQMD passed to read the message. In JMS you would have to set the CCSID on the qcf/tcf.

By default the CCSID converted to, is the CCSID of the client requesting the message, or if in bindings connection, the CCSID of the qmgr serving the message.

Remember that not all CCSIDs have a conversion from one to another. The default conversion tables of the OS are used. You may also create some of your own conversion tables. Read up in the manuals if you need to do that.

Enjoy
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