package demo.handlers.common;
import java.util.Map;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.ws.LogicalMessage;
import javax.xml.ws.ProtocolException;
import javax.xml.ws.handler.LogicalHandler;
import javax.xml.ws.handler.LogicalMessageContext;
import javax.xml.ws.handler.MessageContext;
import org.objectweb.handlers.types.AddNumbers;
import org.objectweb.handlers.types.AddNumbersResponse;
/**
* handles addition of small numbers.
*/
public class SmallNumberHandler implements LogicalHandler<LogicalMessageContext> {
// Implementation of javax.xml.ws.handler.Handler
public final boolean handleMessage(LogicalMessageContext messageContext) {
System.out.println("LogicalMessageHandler handleMessage called");
try {
boolean outbound = (Boolean)messageContext.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
if (outbound) {
// get the LogicalMessage from our context
//
LogicalMessage msg = messageContext.getMessage();
// check the payload, if its an AddNumbers request, we'll intervene
//
JAXBContext jaxbContext = JAXBContext.newInstance(AddNumbers.class);
Object payload = msg.getPayload(jaxbContext);
if (payload instanceof AddNumbers) {
AddNumbers req = (AddNumbers)payload;
// now, if the arguments are small, let's do the calculation here
//
int a = req.getArg0();
int b = req.getArg1();
if (isSmall(a) && isSmall(b)) {
int answer = a + b;
System.out.printf("SmallNumberHandler addNumbers(%d, %d) == %d\n", a, b, answer);
// ok, we've done the calculation, so build the
// response and set it as the payload of the message
AddNumbersResponse resp = new AddNumbersResponse();
resp.setReturn(answer);
msg.setPayload(resp, jaxbContext);
// finally, return false, indicating that request
// processing stops here and our answer will be
// returned to the client
return false;
}
}
}
return true;
} catch (JAXBException ex) {
throw new ProtocolException(ex);
}
}
public final boolean handleFault(LogicalMessageContext messageContext) {
System.out.println("LogicalMessageHandler handleFault called");
System.out.println(messageContext);
return true;
}
public void close(MessageContext ctx) {
System.out.println("LogicalHandler close called");
}
public void init(Map config) {
System.out.println("LogicalHandler init called");
}
public void destroy() {
System.out.println("LogicalHandler close called");
}
private boolean isSmall(int i) {
return i > 0 && i <= 10;
}
}