// invoke method
try {
Object result = method.invoke(serv.getServiceObject(),
arguments);
final RemoteCallResultMessage m = new RemoteCallResultMessage();
m.setXID(invMsg.getXID());
if (result instanceof InputStream) {
m
.setResult(getInputStreamPlaceholder((InputStream) result));
} else if (result instanceof OutputStream) {
m
.setResult(getOutputStreamPlaceholder((OutputStream) result));
} else {
m.setResult(result);
}
return m;
} catch (final InvocationTargetException t) {
t.printStackTrace();
throw t.getTargetException();
}
} catch (final Throwable t) {
// TODO: send to log
t.printStackTrace();
final RemoteCallResultMessage m = new RemoteCallResultMessage();
m.setXID(invMsg.getXID());
m.setException(t);
return m;
}
}
case RemoteOSGiMessage.REMOTE_EVENT: {
final RemoteEventMessage eventMsg = (RemoteEventMessage) msg;
final Dictionary properties = eventMsg.getProperties();
// transform the event timestamps
final Long remoteTs;
if ((remoteTs = (Long) properties.get(EventConstants.TIMESTAMP)) != null) {
properties.put(EventConstants.TIMESTAMP, getOffset().transform(
remoteTs));
}
final Event event = new Event(eventMsg.getTopic(), properties);
// and deliver the event to the local framework
if (RemoteOSGiServiceImpl.eventAdminTracker.getTrackingCount() > 0) {
((EventAdmin) RemoteOSGiServiceImpl.eventAdminTracker
.getService()).postEvent(event);
} else {
// TODO: to log
System.err.println("Could not deliver received event: " + event //$NON-NLS-1$
+ ". No EventAdmin available."); //$NON-NLS-1$
}
return null;
}
case RemoteOSGiMessage.TIME_OFFSET: {
// add timestamp to the message and return the message to sender
((TimeOffsetMessage) msg).timestamp();
return msg;
}
case RemoteOSGiMessage.STREAM_REQUEST: {
final StreamRequestMessage reqMsg = (StreamRequestMessage) msg;
try {
// fetch stream object
final Object stream = streams.get(new Integer(reqMsg
.getStreamID()));
if (stream == null) {
throw new IllegalStateException(
"Could not get stream with ID " //$NON-NLS-1$
+ reqMsg.getStreamID());
}
// invoke operation on stream
switch (reqMsg.getOp()) {
case StreamRequestMessage.READ: {
final int result = ((InputStream) stream).read();
final StreamResultMessage m = new StreamResultMessage();
m.setXID(reqMsg.getXID());
m.setResult((short) result);
return m;
}
case StreamRequestMessage.READ_ARRAY: {
final byte[] b = new byte[reqMsg.getLenOrVal()];
final int len = ((InputStream) stream).read(b, 0, reqMsg
.getLenOrVal());
final StreamResultMessage m = new StreamResultMessage();
m.setXID(reqMsg.getXID());
m.setResult(StreamResultMessage.RESULT_ARRAY);
m.setLen(len);
if (len > 0) {
m.setData(b);
}
return m;
}
case StreamRequestMessage.WRITE: {
((OutputStream) stream).write(reqMsg.getLenOrVal());
final StreamResultMessage m = new StreamResultMessage();
m.setXID(reqMsg.getXID());
m.setResult(StreamResultMessage.RESULT_WRITE_OK);
return m;
}
case StreamRequestMessage.WRITE_ARRAY: {
((OutputStream) stream).write(reqMsg.getData());
final StreamResultMessage m = new StreamResultMessage();
m.setXID(reqMsg.getXID());
m.setResult(StreamResultMessage.RESULT_WRITE_OK);
return m;
}
default:
throw new RemoteOSGiException(
"Unimplemented op code for stream request " + msg); //$NON-NLS-1$
}
} catch (final IOException e) {
final StreamResultMessage m = new StreamResultMessage();
m.setXID(reqMsg.getXID());
m.setResult(StreamResultMessage.RESULT_EXCEPTION);
m.setException(e);
return m;
}
}
case RemoteOSGiMessage.REQUEST_BUNDLE:
final RequestBundleMessage reqB = (RequestBundleMessage) msg;