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/*
* 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.message.disconnect;
import com.hivemq.client.internal.mqtt.datatypes.MqttUserPropertiesImpl;
import com.hivemq.client.internal.mqtt.datatypes.MqttUserPropertiesImplBuilder;
import com.hivemq.client.internal.mqtt.datatypes.MqttUtf8StringImpl;
import com.hivemq.client.internal.mqtt.message.connect.MqttConnect;
import com.hivemq.client.internal.mqtt.util.MqttChecks;
import com.hivemq.client.internal.util.Checks;
import com.hivemq.client.mqtt.datatypes.MqttUtf8String;
import com.hivemq.client.mqtt.mqtt5.datatypes.Mqtt5UserProperties;
import com.hivemq.client.mqtt.mqtt5.message.disconnect.Mqtt5DisconnectBuilder;
import com.hivemq.client.mqtt.mqtt5.message.disconnect.Mqtt5DisconnectReasonCode;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.function.Consumer;
import java.util.function.Function;
/**
* @author Silvio Giebl
*/
public abstract class MqttDisconnectBuilder> {
private @NotNull Mqtt5DisconnectReasonCode reasonCode = MqttDisconnect.DEFAULT_REASON_CODE;
private long sessionExpiryInterval = MqttDisconnect.SESSION_EXPIRY_INTERVAL_FROM_CONNECT;
private @Nullable MqttUtf8StringImpl serverReference;
private @Nullable MqttUtf8StringImpl reasonString;
private @NotNull MqttUserPropertiesImpl userProperties = MqttUserPropertiesImpl.NO_USER_PROPERTIES;
MqttDisconnectBuilder() {}
MqttDisconnectBuilder(final @NotNull MqttDisconnect disconnect) {
reasonCode = disconnect.getReasonCode();
sessionExpiryInterval = disconnect.getRawSessionExpiryInterval();
serverReference = disconnect.getRawServerReference();
reasonString = disconnect.getRawReasonString();
userProperties = disconnect.getUserProperties();
}
abstract @NotNull B self();
public @NotNull B reasonCode(final @Nullable Mqtt5DisconnectReasonCode reasonCode) {
this.reasonCode = Checks.notNull(reasonCode, "Reason Code");
return self();
}
public @NotNull B sessionExpiryInterval(final long sessionExpiryInterval) {
this.sessionExpiryInterval = Checks.unsignedInt(sessionExpiryInterval, "Session expiry interval");
return self();
}
public @NotNull B noSessionExpiry() {
this.sessionExpiryInterval = MqttConnect.NO_SESSION_EXPIRY;
return self();
}
public @NotNull B serverReference(final @Nullable String serverReference) {
this.serverReference = MqttChecks.stringOrNull(serverReference, "Server reference");
return self();
}
public @NotNull B serverReference(final @Nullable MqttUtf8String serverReference) {
this.serverReference = MqttChecks.stringOrNull(serverReference, "Server reference");
return self();
}
public @NotNull B reasonString(final @Nullable String reasonString) {
this.reasonString = MqttChecks.reasonString(reasonString);
return self();
}
public @NotNull B reasonString(final @Nullable MqttUtf8String reasonString) {
this.reasonString = MqttChecks.reasonString(reasonString);
return self();
}
public @NotNull B userProperties(final @Nullable Mqtt5UserProperties userProperties) {
this.userProperties = MqttChecks.userProperties(userProperties);
return self();
}
public MqttUserPropertiesImplBuilder.@NotNull Nested userProperties() {
return new MqttUserPropertiesImplBuilder.Nested<>(userProperties, this::userProperties);
}
public @NotNull MqttDisconnect build() {
return new MqttDisconnect(reasonCode, sessionExpiryInterval, serverReference, reasonString, userProperties);
}
public static class Default extends MqttDisconnectBuilder implements Mqtt5DisconnectBuilder {
public Default() {}
Default(final @NotNull MqttDisconnect disconnect) {
super(disconnect);
}
@Override
@NotNull Default self() {
return this;
}
}
public static class Nested extends MqttDisconnectBuilder> implements Mqtt5DisconnectBuilder.Nested {
private final @NotNull Function parentConsumer;
public Nested(final @NotNull Function parentConsumer) {
this.parentConsumer = parentConsumer;
}
@Override
@NotNull Nested
self() {
return this;
}
@Override
public @NotNull P applyDisconnect() {
return parentConsumer.apply(build());
}
}
public static class Send
extends MqttDisconnectBuilder> implements Mqtt5DisconnectBuilder.Send {
private final @NotNull Function parentConsumer;
public Send(final @NotNull Function parentConsumer) {
this.parentConsumer = parentConsumer;
}
@Override
@NotNull Send
self() {
return this;
}
@Override
public @NotNull P send() {
return parentConsumer.apply(build());
}
}
public static class SendVoid extends MqttDisconnectBuilder implements Mqtt5DisconnectBuilder.SendVoid {
private final @NotNull Consumer parentConsumer;
public SendVoid(final @NotNull Consumer parentConsumer) {
this.parentConsumer = parentConsumer;
}
@Override
@NotNull SendVoid self() {
return this;
}
@Override
public void send() {
parentConsumer.accept(build());
}
}
}