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HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support
/*
* Copyright 2018-present HiveMQ and the HiveMQ Community
*
* 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.
*/
package com.hivemq.client.internal.mqtt.codec;
import com.hivemq.client.internal.mqtt.MqttClientConfig;
import com.hivemq.client.internal.mqtt.codec.decoder.MqttMessageDecoders;
import com.hivemq.client.internal.mqtt.codec.decoder.mqtt3.Mqtt3ClientMessageDecoders;
import com.hivemq.client.internal.mqtt.codec.decoder.mqtt5.Mqtt5ClientMessageDecoders;
import com.hivemq.client.internal.mqtt.codec.encoder.MqttMessageEncoders;
import com.hivemq.client.internal.mqtt.codec.encoder.mqtt3.Mqtt3ClientMessageEncoders;
import com.hivemq.client.internal.mqtt.codec.encoder.mqtt5.Mqtt5ClientMessageEncoders;
import com.hivemq.client.internal.mqtt.ioc.ConnectionScope;
import dagger.Lazy;
import dagger.Module;
import dagger.Provides;
import org.jetbrains.annotations.NotNull;
/**
* @author Silvio Giebl
*/
@Module
public abstract class MqttCodecModule {
@Provides
@ConnectionScope
static @NotNull MqttMessageDecoders provideMessageDecoders(
final @NotNull MqttClientConfig clientConfig,
final @NotNull Lazy mqtt5ClientMessageDecoders,
final @NotNull Lazy mqtt3ClientMessageDecoders) {
switch (clientConfig.getMqttVersion()) {
case MQTT_5_0:
return mqtt5ClientMessageDecoders.get();
case MQTT_3_1_1:
return mqtt3ClientMessageDecoders.get();
default:
throw new IllegalStateException();
}
}
@Provides
@ConnectionScope
static @NotNull MqttMessageEncoders provideMessageEncoders(
final @NotNull MqttClientConfig clientConfig,
final @NotNull Lazy mqtt5ClientMessageEncoders,
final @NotNull Lazy mqtt3ClientMessageEncoders) {
switch (clientConfig.getMqttVersion()) {
case MQTT_5_0:
return mqtt5ClientMessageEncoders.get();
case MQTT_3_1_1:
return mqtt3ClientMessageEncoders.get();
default:
throw new IllegalStateException();
}
}
}