hasField
Checks if a given field is present.
public boolean hasField(LrISOField fldno) throws LrISOException
public boolean hasField(int fldno) throws LrISOException
Parameters
fldno: The ISOField number.
Return values
This function returns true if the field exists, and false if the field does not exist.
Example
LrISOMsg m = new LrISOMsg();
m.set(ISO87Fields.PAN_PRIMARY_ACCOUNT_NUMBER, "1234567891234567890");
if (m.hasField(ISO87Fields.PAN_PRIMARY_ACCOUNT_NUMBER))
lr.output_message("The Primary Account Number filed is present in the message");
else
lr.output_message("The Primary Account Number filed is NOT present in the message");