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MQSeries.net Forum IndexWebSphere Message Broker SupportJCN MbElement to Element

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shrusonu
PostPosted: Thu Nov 16, 2017 1:50 am Post subject: JCN MbElement to Element Reply with quote

Newbie

Joined: 20 Dec 2013
Posts: 8

Hello All,

I am working on IIB v10.0.0.9 on windows

I have a problem while calling Java methods from ESQL or JCN java.

I have an existing Java project which contains many classes & methods. I know that we can make a call to java methods from ESQL.
Problem is Existing Java methods have arguments defined of type org.w3c.dom.Element.

How i can achieve if i am using JCN to make calls to these methods? Casting from MbElement to org.w3c.dom.Element is not working throws CAST Exception.

Any links to materials would be helpful.
Your help is very much appreciated.

Thanks
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timber
PostPosted: Thu Nov 16, 2017 9:08 am Post subject: Reply with quote

Shaman

Joined: 25 Aug 2015
Posts: 704

Quote:
I have an existing Java project which contains many classes & methods.
What do these classes/methods do? If they are manipulating a DOM tree then there may be a better solution.
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shrusonu
PostPosted: Thu Nov 16, 2017 11:01 pm Post subject: Reply with quote

Newbie

Joined: 20 Dec 2013
Posts: 8

Quote:
What do these classes/methods do? If they are manipulating a DOM tree then there may be a better solution.


Yes, the methods do manipulations with DOM Document, NodeList & Element.

I believe the methods would produce a resultant new XML depending upon the input arguments.
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timber
PostPosted: Fri Nov 17, 2017 4:02 am Post subject: Reply with quote

Shaman

Joined: 25 Aug 2015
Posts: 704

IIB provides 4 different ways of manipulating the content of XML documents. Why do you want to use these Java classes to do it? Is the transformation logic particularly complex?

If you are determined to pursue this design, you might get more success by using the JAXB option in the JavaCompute node. That presents a message tree as a DOM in the JavaCompute node. But I have no idea whether the JCN DOM objects will be compatible with your legacy Java code.
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