/
DittoConnectivityCommandValidator.java
59 lines (53 loc) · 2.52 KB
/
DittoConnectivityCommandValidator.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
/*
* Copyright (c) 2017 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
* Contributors:
* Bosch Software Innovations GmbH - initial contribution
*
*/
package org.eclipse.ditto.services.connectivity.messaging.validation;
import org.eclipse.ditto.model.connectivity.Connection;
import org.eclipse.ditto.services.connectivity.messaging.ClientActorPropsFactory;
import org.eclipse.ditto.signals.commands.connectivity.ConnectivityCommand;
import org.eclipse.ditto.signals.commands.connectivity.ConnectivityCommandInterceptor;
import org.eclipse.ditto.signals.commands.connectivity.modify.CreateConnection;
import org.eclipse.ditto.signals.commands.connectivity.modify.ModifyConnection;
import org.eclipse.ditto.signals.commands.connectivity.modify.TestConnection;
import akka.actor.ActorRef;
/**
* Checks if the given {@link ConnectivityCommand} is valid by trying to create the client actor props.
*/
public final class DittoConnectivityCommandValidator implements ConnectivityCommandInterceptor {
private final ClientActorPropsFactory propsFactory;
private final ActorRef conciergeForwarder;
private final ConnectionValidator connectionValidator;
public DittoConnectivityCommandValidator(
final ClientActorPropsFactory propsFactory, final ActorRef conciergeForwarder,
final ConnectionValidator connectionValidator) {
this.propsFactory = propsFactory;
this.conciergeForwarder = conciergeForwarder;
this.connectionValidator = connectionValidator;
}
@Override
public void accept(final ConnectivityCommand<?> command) {
switch (command.getType()) {
case CreateConnection.TYPE:
case TestConnection.TYPE:
case ModifyConnection.TYPE:
final Connection connection = getConnectionFromCommand(command);
if (connection != null) {
connectionValidator.validate(connection, command.getDittoHeaders());
propsFactory.getActorPropsForType(connection, conciergeForwarder);
} else {
// should never happen
throw new IllegalStateException("connection=null in " + command);
}
break;
default: //nothing to validate for other commands
}
}
}