Remove ObjectProcessor#getInputClass

Replace an explicit input class declaration with nasty reflection code.

server/src/main/java/envoy/server/net/ObjectMessageProcessor.java

@@ -3,6 +3,7 @@ package envoy.server.net;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.ObjectInputStream;
+import java.lang.reflect.ParameterizedType;
 import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -50,14 +51,19 @@ public class ObjectMessageProcessor implements IMessageProcessor {
 
 			logger.fine("Received " + obj);
 
-			// Process object
+			// Get processor and input class and process object
-			processors.stream().filter(p -> p.getInputClass().equals(obj.getClass())).forEach((@SuppressWarnings("rawtypes") ObjectProcessor p) -> {
+			for (@SuppressWarnings("rawtypes")
-				try {
+			ObjectProcessor p : processors) {
-					p.process(p.getInputClass().cast(obj), message.socketId, new ObjectWriteProxy(writeProxy));
+				Class<?> c = (Class<?>) ((ParameterizedType) p.getClass().getGenericInterfaces()[0]).getActualTypeArguments()[0];
-				} catch (IOException e) {
+				if (c.equals(obj.getClass())) {
-					logger.log(Level.SEVERE, "Exception during processor execution: ", e);
+					try {
+						p.process(c.cast(obj), message.socketId, new ObjectWriteProxy(writeProxy));
+						break;
+					} catch (IOException e) {
+						logger.log(Level.SEVERE, "Exception during processor execution: ", e);
+					}
 				}
-			});
+			}
 		} catch (IOException | ClassNotFoundException e) {
 			e.printStackTrace();
 		}

server/src/main/java/envoy/server/processors/ContactOperationProcessor.java

@@ -41,7 +41,4 @@ public class ContactOperationProcessor implements ObjectProcessor<ContactOperati
 				logger.warning(String.format("Received %s with an unsupported operation.", evt));
 		}
 	}
-
-	@Override
-	public Class<ContactOperation> getInputClass() { return ContactOperation.class; }
 }

server/src/main/java/envoy/server/processors/GroupCreationProcessor.java

@@ -40,7 +40,4 @@ public class GroupCreationProcessor implements ObjectProcessor<GroupCreation> {
 			.map(connectionManager::getSocketID)
 			.forEach(memberSocketID -> writeProxy.write(memberSocketID, new ContactOperation(group.toCommon(), ElementOperation.ADD)));
 	}
-
-	@Override
-	public Class<GroupCreation> getInputClass() { return GroupCreation.class; }
 }

server/src/main/java/envoy/server/processors/GroupMessageProcessor.java

@@ -61,7 +61,4 @@ public class GroupMessageProcessor implements ObjectProcessor<GroupMessage> {
 			logger.warning("Received a groupMessage with an ID that already exists");
 		}
 	}
-
-	@Override
-	public Class<GroupMessage> getInputClass() { return GroupMessage.class; }
 }

server/src/main/java/envoy/server/processors/GroupMessageStatusChangeProcessor.java

@@ -63,7 +63,4 @@ public class GroupMessageStatusChangeProcessor implements ObjectProcessor<GroupM
 		}
 		persistenceManager.updateMessage(gmsg);
 	}
-
-	@Override
-	public Class<GroupMessageStatusChange> getInputClass() { return GroupMessageStatusChange.class; }
 }

server/src/main/java/envoy/server/processors/GroupResizeProcessor.java

@@ -47,7 +47,4 @@ public class GroupResizeProcessor implements ObjectProcessor<GroupResize> {
 			.map(connectionManager::getSocketID)
 			.forEach(memberSocketID -> writeProxy.write(memberSocketID, commonGroup));
 	}
-
-	@Override
-	public Class<GroupResize> getInputClass() { return GroupResize.class; }
 }

server/src/main/java/envoy/server/processors/IDGeneratorRequestProcessor.java

@@ -21,9 +21,6 @@ public class IDGeneratorRequestProcessor implements ObjectProcessor<IDGeneratorR
 
 	private static final long ID_RANGE = 200;
 
-	@Override
-	public Class<IDGeneratorRequest> getInputClass() { return IDGeneratorRequest.class; }
-
 	@Override
 	public void process(IDGeneratorRequest input, long socketID, ObjectWriteProxy writeProxy) throws IOException {
 		writeProxy.write(socketID, createIDGenerator());

server/src/main/java/envoy/server/processors/IsTypingProcessor.java

@@ -23,9 +23,6 @@ public class IsTypingProcessor implements ObjectProcessor<IsTyping> {
 	private static final ConnectionManager	connectionManager	= ConnectionManager.getInstance();
 	private static final PersistenceManager	persistenceManager	= PersistenceManager.getInstance();
 
-	@Override
-	public Class<IsTyping> getInputClass() { return IsTyping.class; }
-
 	@Override
 	public void process(IsTyping event, long socketID, ObjectWriteProxy writeProxy) throws IOException {
 		final var contact = persistenceManager.getContactByID(event.get());

server/src/main/java/envoy/server/processors/LoginCredentialProcessor.java

@@ -191,7 +191,4 @@ public final class LoginCredentialProcessor implements ObjectProcessor<LoginCred
 		// Complete the handshake
 		writeProxy.write(socketID, user.toCommon());
 	}
-
-	@Override
-	public Class<LoginCredentials> getInputClass() { return LoginCredentials.class; }
 }

server/src/main/java/envoy/server/processors/MessageProcessor.java

@@ -58,7 +58,4 @@ public class MessageProcessor implements ObjectProcessor<Message> {
 			logger.log(Level.WARNING, "Received " + message + " with an ID that already exists!");
 		}
 	}
-
-	@Override
-	public Class<Message> getInputClass() { return Message.class; }
 }

server/src/main/java/envoy/server/processors/MessageStatusChangeProcessor.java

@@ -42,7 +42,4 @@ public class MessageStatusChangeProcessor implements ObjectProcessor<MessageStat
 		final long senderID = msg.getSender().getID();
 		if (connectionManager.isOnline(senderID)) writeProxy.write(connectionManager.getSocketID(senderID), statusChange);
 	}
-
-	@Override
-	public Class<MessageStatusChange> getInputClass() { return MessageStatusChange.class; }
 }

server/src/main/java/envoy/server/processors/NameChangeProcessor.java

@@ -28,7 +28,4 @@ public class NameChangeProcessor implements ObjectProcessor<NameChange> {
 		// Notify online contacts of the name change
 		writeProxy.writeToOnlineContacts(toUpdate.getContacts(), nameChange);
 	}
-
-	@Override
-	public Class<NameChange> getInputClass() { return NameChange.class; }
 }

server/src/main/java/envoy/server/processors/ObjectProcessor.java

@@ -18,12 +18,6 @@ import envoy.server.net.ObjectWriteProxy;
  */
 public interface ObjectProcessor<T> {
 
-	/**
-	 * @return the class of the request object
-	 * @since Envoy Server Standalone v0.1-alpha
-	 */
-	Class<T> getInputClass();
-
 	/**
 	 * @param input      the request object
 	 * @param socketID   the ID of the socket from which the object was received

server/src/main/java/envoy/server/processors/UserSearchProcessor.java

@@ -38,7 +38,4 @@ public class UserSearchProcessor implements ObjectProcessor<UserSearchRequest> {
 					.map(User::toCommon)
 					.collect(Collectors.toList())));
 	}
-
-	@Override
-	public Class<UserSearchRequest> getInputClass() { return UserSearchRequest.class; }
 }

server/src/main/java/envoy/server/processors/UserStatusChangeProcessor.java

@@ -26,9 +26,6 @@ public class UserStatusChangeProcessor implements ObjectProcessor<UserStatusChan
 	private static final PersistenceManager	persistenceManager	= PersistenceManager.getInstance();
 	private static final Logger				logger				= EnvoyLog.getLogger(UserStatusChangeProcessor.class);
 
-	@Override
-	public Class<UserStatusChange> getInputClass() { return UserStatusChange.class; }
-
 	@Override
 	public void process(UserStatusChange input, long socketID, ObjectWriteProxy writeProxy) {
 		// new status should not equal old status