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darring · Posted: Thu May 14, 2009 3:00 am Post subject: JCN Problem

Hi,
I am trying to learn JCN. I tried the following code:

public class CreateAllStudent_JavaCompute extends MbJavaComputeNode {
public void evaluate(MbMessageAssembly contact admin) throws MbException {
MbOutputTerminal out = getOutputTerminal("out");
MbOutputTerminal alt = getOutputTerminal("alternate");
MbMessage inMessage = contact admin.getMessage();
MbElement inputRoot = inMessage.getRootElement();
MbElement inStudents = inputRoot.getLastChild();
MbMessage outMessage = new MbMessage();
MbElement InputRoot = contact admin.getMessage().getRootElement();
System.out.println("InputRoot :" + InputRoot.getName());
MbElement InputProperties =InputRoot.getFirstChild();
System.out.println("Input Properties: " + InputProperties.getName());
MbElement InputMQMD = InputProperties.getNextSibling();
System.out.println("Input MQMD: " + InputMQMD.getName());
MbElement InputBody = InputRoot.getLastChild();
System.out.println("InputBody :" + InputBody.getName());
MbElement Students = InputBody.getFirstChild();
System.out.println("Students :" + Students.getName());
MbElement StudentFirst = Students.getFirstChild();
if (StudentFirst == null)
System.out.println("Student First:" + "NULL");
else
System.out.println("Student First:" + StudentFirst.getName());
MbElement StudentLast = Students.getLastChild();
if (StudentLast == null)
System.out.println("Student Last:" + "NULL");
else
System.out.println("Student Last:" + StudentLast.getName());

System.out.println("Null Implemented");

try {
copyMessageHeaders(inMessage, outMessage);
} finally {

outMessage.clearMessage();
}
}

Here is the input message:
<Students>
<Student>
<FName>FName1</FName>
<Address>
<Street>Street1</Street>
</Address>
</Student>
<Student>
<FName>FName2</FName>
<Address>
<Street>Street2</Street>
</Address>
</Student>
</Students>

It's producing the output to stdout file as :
InputRoot :Root
Input Properties: Properties
Input MQMD: MQMD
InputBody :XML
Students :Students
Student First:
Student Last:
Null Implemented
The problem is it doesn't give me the name of the first child and las.t child of element Students. Am I doing something wrong here?????
MB 6.0.0.8, MQ 6.0 on Solaris

Thanks