package org.mobicents.mgcp.stack;
import jain.protocol.ip.mgcp.JainMgcpCommandEvent;
import jain.protocol.ip.mgcp.JainMgcpResponseEvent;
import jain.protocol.ip.mgcp.message.Notify;
import jain.protocol.ip.mgcp.message.NotifyResponse;
import jain.protocol.ip.mgcp.message.parms.EndpointIdentifier;
import jain.protocol.ip.mgcp.message.parms.EventName;
import jain.protocol.ip.mgcp.message.parms.RequestIdentifier;
import jain.protocol.ip.mgcp.message.parms.ReturnCode;
import java.io.IOException;
import java.net.InetAddress;
import java.text.ParseException;
import org.apache.log4j.Logger;
import org.mobicents.mgcp.stack.parser.MgcpContentHandler;
import org.mobicents.mgcp.stack.parser.MgcpMessageParser;
import org.mobicents.mgcp.stack.parser.Utils;
public class NotifyHandler extends TransactionHandler {
private Notify command;
private NotifyResponse response;
private static final Logger logger = Logger.getLogger(NotifyHandler.class);
public NotifyHandler(JainMgcpStackImpl stack) {
super(stack);
}
public NotifyHandler(JainMgcpStackImpl stack, InetAddress address, int port) {
super(stack, address, port);
}
@Override
public JainMgcpCommandEvent decodeCommand(String message) throws ParseException {
Utils utils = utilsFactory.allocate();
MgcpMessageParser parser = new MgcpMessageParser(new CommandContentHandle(utils));
try {
parser.parse(message);
} catch (Exception e) {
throw new ParseException(e.getMessage(), -1);
} finally {
utilsFactory.deallocate(utils);
}
return command;
}
@Override
public JainMgcpResponseEvent decodeResponse(String message) throws ParseException {
Utils utils = utilsFactory.allocate();
MgcpMessageParser parser = new MgcpMessageParser(new ResponseContentHandle(utils));
try {
parser.parse(message);
} catch (IOException e) {
logger.error("Something wrong while parsing the NOTIFY Response received", e);
} finally {
utilsFactory.deallocate(utils);
}
return response;
}
@Override
public String encode(JainMgcpCommandEvent event) {
Notify notify = (Notify) event;
StringBuffer message = new StringBuffer();
message.append("NTFY ").append(event.getTransactionHandle()).append(SINGLE_CHAR_SPACE).append(
notify.getEndpointIdentifier()).append(MGCP_VERSION).append(NEW_LINE);
if (notify.getNotifiedEntity() != null) {
message.append("N: ").append(notify.getNotifiedEntity()).append(NEW_LINE);
}
message.append("X: ").append(notify.getRequestIdentifier()).append(NEW_LINE);
Utils utils = utilsFactory.allocate();
message.append("O: ").append(utils.encodeEventNames(notify.getObservedEvents())).append(NEW_LINE);
utilsFactory.deallocate(utils);
return message.toString();
}
@Override
public String encode(JainMgcpResponseEvent event) {
StringBuffer s = new StringBuffer();
s.append(event.getReturnCode().getValue()).append(SINGLE_CHAR_SPACE).append(event.getTransactionHandle())
.append(SINGLE_CHAR_SPACE).append(event.getReturnCode().getComment()).append(NEW_LINE);
return s.toString();
// return event.getReturnCode().getValue() + " " +
// event.getTransactionHandle() + " "
// + event.getReturnCode().getComment() + "\n";
}
private class CommandContentHandle implements MgcpContentHandler {
private Utils utils = null;
public CommandContentHandle(Utils utils) {
this.utils = utils;
}
public void header(String header) throws ParseException {
command = new Notify(source != null ? source : stack, endpoint, new RequestIdentifier("0"), new EventName[] {});
command.setTransactionHandle(remoteTID);
}
public void param(String name, String value) throws ParseException {
if (name.equalsIgnoreCase("N")) {
command.setNotifiedEntity(utils.decodeNotifiedEntity(value, false));
} else if (name.equalsIgnoreCase("X")) {
command.setRequestIdentifier(new RequestIdentifier(value));
} else if (name.equalsIgnoreCase("O")) {
command.setObservedEvents(utils.decodeEventNames(value));
}
}
public void sessionDescription(String sd) throws ParseException {
throw new UnsupportedOperationException("Not supported yet.");
}
}
private class ResponseContentHandle implements MgcpContentHandler {
private Utils utils;
public ResponseContentHandle(Utils utils) {
this.utils = utils;
}
public void header(String header) throws ParseException {
String[] tokens = utils.splitStringBySpace(header);
int tid = Integer.parseInt(tokens[1]);
response = new NotifyResponse(source != null ? source : stack, utils.decodeReturnCode(Integer
.parseInt(tokens[0])));
response.setTransactionHandle(tid);
}
public void param(String name, String value) throws ParseException {
throw new UnsupportedOperationException("Not supported yet.");
}
public void sessionDescription(String sd) throws ParseException {
throw new UnsupportedOperationException("Not supported yet.");
}
}
@Override
public JainMgcpResponseEvent getProvisionalResponse() {
NotifyResponse provisionalresponse = null;
if (!sent) {
provisionalresponse = new NotifyResponse(source != null ? source : stack,
ReturnCode.Transaction_Being_Executed);
}
return provisionalresponse;
}
}