/**
* add all fields present on received parameter to this ISOMsg<br>
* please note that received fields take precedence over existing ones (simplifying card agent
* message creation and template handling)
*
* @param m ISOMsg to merge
*/
public void merge(ISOMsg m) {
for (int i = 0; i <= m.getMaxField(); i++)
try {
if (m.hasField(i)) set(m.getComponent(i));
} catch (ISOException e) {
// should never happen
}
}
/**
* get the component associated with the given field number
*
* @param fpath field path
* @return the Component
*/
public ISOComponent getComponent(String fpath) throws ISOException {
StringTokenizer st = new StringTokenizer(fpath, ".");
ISOMsg m = this;
ISOComponent obj = null;
for (; ; ) {
int fldno = Integer.parseInt(st.nextToken());
obj = m.getComponent(fldno);
if (st.hasMoreTokens()) {
if (obj instanceof ISOMsg) {
m = (ISOMsg) obj;
} else break; // 'Quick' exit if hierachy is not present.
} else break;
}
return obj;
}