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/******************************************************************************
* Copyright AllSeen Alliance. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************************/
package org.alljoyn.ns.transport;
import java.util.UUID;
import org.alljoyn.bus.BusAttachment;
import org.alljoyn.bus.BusException;
import org.alljoyn.bus.SignalEmitter;
import org.alljoyn.bus.SignalEmitter.GlobalBroadcast;
import org.alljoyn.bus.Status;
import org.alljoyn.ns.NotificationSender;
import org.alljoyn.ns.NotificationServiceException;
import org.alljoyn.ns.PayloadAdapter;
import org.alljoyn.ns.commons.GenericLogger;
import org.alljoyn.ns.transport.interfaces.NotificationDismisser;
/**
* The class provides a functionality of sending Dismiss session-less-signals
*/
public class DismissEmitter implements NotificationDismisser {
private static final String TAG = "ioe" + DismissEmitter.class.getSimpleName();
private static final String OBJ_PATH_PREFIX = "/notificationDismisser/";
/**
* Send the Dismiss signal
* @param msgId The notification id
* @param appId The application id
*/
public static void send(int msgId, UUID appId) {
Transport transport = Transport.getInstance();
BusAttachment bus = transport.getBusAttachment();
GenericLogger logger;
try {
logger = transport.getLogger();
} catch (NotificationServiceException nse) {
System.out.println(TAG + ": Unexpected error occurred: " + nse.getMessage());
return;
}
if ( bus == null ) {
logger.error(TAG, "Can't call Dismiss signal, BusAttachment isn't defined, returning...");
return;
}
logger.debug(TAG, "Sending the Dismiss signal notifId: '" + msgId + "', appId: '" + appId + "'");
DismissEmitter dismissSenderBusObj = new DismissEmitter();
String objPath = buildObjPath(msgId, appId);
Status status = bus.registerBusObject(dismissSenderBusObj, objPath);
if ( status != Status.OK ) {
logger.error(TAG, "Failed to register a BusObject, ObjPath: '" + objPath + "', Error: '" + status + "'");
return;
}
SignalEmitter emitter = new SignalEmitter(dismissSenderBusObj, GlobalBroadcast.Off);
emitter.setSessionlessFlag(true);
emitter.setTimeToLive(NotificationSender.MESSAGE_TTL_UL);
byte[] bappId = PayloadAdapter.uuidToByteArray(appId);
try {
logger.debug(TAG, "Sending the Dismiss signal from ObjPath: '" + objPath + "'");
emitter.getInterface(NotificationDismisser.class).dismiss(msgId, bappId);
} catch (BusException be) {
logger.error(TAG, "Failed to send the Dismiss signal notifId: '" + msgId + "', appId: '" + appId + "', Error: '" + be.getMessage() + "'");
}
bus.unregisterBusObject(dismissSenderBusObj);
}//send
/**
* @see org.alljoyn.ns.transport.interfaces.NotificationDismisser#dismiss(int, byte[])
*/
@Override
public void dismiss(int msgId, byte[] appId) throws BusException {
}
/**
* @see org.alljoyn.ns.transport.interfaces.NotificationDismisser#getVersion()
*/
@Override
public short getVersion() throws BusException {
return VERSION;
}
/**
* Creates the object path: OBJ_PATH_PREFIX/[APPID]/msgId
* @param msgId
* @param appId
* @return The object path
*/
private static String buildObjPath(int msgId, UUID appId) {
String appIdStr = appId.toString().replace("-", "");
return OBJ_PATH_PREFIX + appIdStr + "/" + Math.abs(msgId);
}//buildObjPath
}
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