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/*-
* ============LICENSE_START=======================================================
* PolicyEngineAPI
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.policy.std;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.CountDownLatch;
import javax.websocket.ClientEndpoint;
import javax.websocket.DeploymentException;
import javax.websocket.OnClose;
import javax.websocket.OnError;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;
//import org.apache.log4j.Logger;
import org.glassfish.tyrus.client.ClientManager;
import org.openecomp.policy.api.NotificationScheme;
import org.openecomp.policy.api.NotificationType;
import org.openecomp.policy.api.PDPNotification;
import org.openecomp.policy.std.StdPDPNotification;
import org.openecomp.policy.xacml.api.XACMLErrorConstants;
import org.openecomp.policy.common.logging.flexlogger.*;
@ClientEndpoint
public class ManualClientEnd {
private static CountDownLatch latch;
private static StdPDPNotification notification = null;
private static String resultJson = null;
private static Logger logger = FlexLogger.getLogger(ManualClientEnd.class.getName());
public static void start(String url) {
latch = new CountDownLatch(1);
ClientManager client = ClientManager.createClient();
if(url.contains("https")){
url = url.replaceAll("https", "wss");
}else {
url = url.replaceAll("http", "ws");
}
try {
client.connectToServer(ManualClientEnd.class, new URI(url+"notifications"));
latch.await();
} catch (DeploymentException | URISyntaxException | InterruptedException e) {
logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
} catch (IOException e) {
logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
}
}
public static PDPNotification result(NotificationScheme scheme) {
if (resultJson == null || notification == null) {
logger.debug("No Result" );
return null;
} else {
if(scheme.equals(NotificationScheme.MANUAL_ALL_NOTIFICATIONS)) {
boolean removed = false, updated = false;
if(notification.getRemovedPolicies()!=null && !notification.getRemovedPolicies().isEmpty()){
removed = true;
}
if(notification.getLoadedPolicies()!=null && !notification.getLoadedPolicies().isEmpty()){
updated = true;
}
if(removed && updated) {
notification.setNotificationType(NotificationType.BOTH);
}else if(removed){
notification.setNotificationType(NotificationType.REMOVE);
}else if(updated){
notification.setNotificationType(NotificationType.UPDATE);
}
return notification;
}else if(scheme.equals(NotificationScheme.MANUAL_NOTIFICATIONS)) {
return MatchStore.checkMatch(notification);
}else {
return null;
}
}
}
// WebSockets Code..
@OnOpen
public void onOpen(Session session) throws IOException {
logger.info("Session Started with : " + session.getId());
session.getBasicRemote().sendText("Manual");
}
@OnError
public void onError(Session session, Throwable e) {
logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error in: "+ session.getId());
latch.countDown();
}
@OnClose
public void onClose(Session session) {
logger.info("Session ended with "+ session.getId());
latch.countDown();
}
@OnMessage
public void onMessage(String message, Session session){
logger.debug(" Manual Notification Recieved Message : " + message +" Session info is : "+ session.getId());
resultJson = message;
try {
notification = NotificationUnMarshal.notificationJSON(message);
} catch (Exception e) {
logger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e);
latch.countDown();
}
try {
session.close();
} catch (IOException e) {
logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
latch.countDown();
} // For Manual Client..
latch.countDown();
}
}
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