com.hivemq.client.internal.mqtt.message.auth.mqtt3.Mqtt3SimpleAuthViewBuilder Maven / Gradle / Ivy
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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
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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.auth.mqtt3;
import com.hivemq.client.internal.mqtt.datatypes.MqttUtf8StringImpl;
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.mqtt3.message.auth.Mqtt3SimpleAuthBuilder;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.nio.ByteBuffer;
import java.util.function.Function;
/**
* @author Silvio Giebl
*/
public abstract class Mqtt3SimpleAuthViewBuilder> {
private @Nullable MqttUtf8StringImpl username;
private @Nullable ByteBuffer password;
abstract @NotNull B self();
public @NotNull B username(final @Nullable String username) {
this.username = MqttUtf8StringImpl.of(username, "Username");
return self();
}
public @NotNull B username(final @Nullable MqttUtf8String username) {
this.username = MqttChecks.string(username, "Username");
return self();
}
public @NotNull B password(final byte @Nullable [] password) {
this.password = MqttChecks.binaryData(password, "Password");
return self();
}
public @NotNull B password(final @Nullable ByteBuffer password) {
this.password = MqttChecks.binaryData(password, "Password");
return self();
}
public @NotNull Mqtt3SimpleAuthView build() {
Checks.state(username != null, "Username must be given.");
return Mqtt3SimpleAuthView.of(username, password);
}
public static class Default extends Mqtt3SimpleAuthViewBuilder implements Mqtt3SimpleAuthBuilder.Complete {
@Override
@NotNull Default self() {
return this;
}
}
public static class Nested extends Mqtt3SimpleAuthViewBuilder>
implements Mqtt3SimpleAuthBuilder.Nested.Complete {
private final @NotNull Function parentConsumer;
public Nested(final @NotNull Function parentConsumer) {
this.parentConsumer = parentConsumer;
}
@Override
@NotNull Nested
self() {
return this;
}
@Override
public @NotNull P applySimpleAuth() {
return parentConsumer.apply(build());
}
}
}