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cc636fff21
This is a complete redesign of what was previously XmppNioTcpConnection. The new architecture allows to extend an XMPP client to server (c2s) connection with new transport bindings and other extensions.
170 lines
7.5 KiB
Java
170 lines
7.5 KiB
Java
/**
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*
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* Copyright 2018-2020 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.igniterealtime.smack.inttest;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import org.jivesoftware.smack.AbstractXMPPConnection;
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import org.jivesoftware.smack.ConnectionConfiguration;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.util.Consumer;
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public final class XmppConnectionDescriptor<
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C extends AbstractXMPPConnection,
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CC extends ConnectionConfiguration,
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CCB extends ConnectionConfiguration.Builder<?, CC>
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> {
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private final Class<C> connectionClass;
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private final Class<CC> connectionConfigurationClass;
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private final Constructor<C> connectionConstructor;
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private final Method builderMethod;
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private final Consumer<CCB> extraBuilder;
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private final String nickname;
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private XmppConnectionDescriptor(Builder<C, CC, CCB> builder) throws NoSuchMethodException, SecurityException {
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connectionClass = builder.connectionClass;
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connectionConfigurationClass = builder.connectionConfigurationClass;
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extraBuilder = builder.extraBuilder;
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nickname = builder.nickname;
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connectionConstructor = getConstructor(connectionClass, connectionConfigurationClass);
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builderMethod = getBuilderMethod(connectionConfigurationClass);
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}
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public C construct(Configuration sinttestConfiguration)
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throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
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return construct(sinttestConfiguration, Collections.emptyList());
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}
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public C construct(Configuration sinttestConfiguration,
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ConnectionConfigurationBuilderApplier... customConnectionConfigurationAppliers)
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throws InstantiationException, IllegalAccessException, IllegalArgumentException,
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InvocationTargetException {
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List<ConnectionConfigurationBuilderApplier> customConnectionConfigurationAppliersList = new ArrayList<ConnectionConfigurationBuilderApplier>(
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Arrays.asList(customConnectionConfigurationAppliers));
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return construct(sinttestConfiguration, customConnectionConfigurationAppliersList);
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}
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public C construct(Configuration sinttestConfiguration,
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Collection<ConnectionConfigurationBuilderApplier> customConnectionConfigurationAppliers)
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throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
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CCB connectionConfigurationBuilder = getNewBuilder();
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if (extraBuilder != null) {
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extraBuilder.accept(connectionConfigurationBuilder);
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}
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for (ConnectionConfigurationBuilderApplier customConnectionConfigurationApplier : customConnectionConfigurationAppliers) {
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customConnectionConfigurationApplier.applyConfigurationTo(connectionConfigurationBuilder);
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}
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sinttestConfiguration.configurationApplier.applyConfigurationTo(connectionConfigurationBuilder);
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ConnectionConfiguration connectionConfiguration = connectionConfigurationBuilder.build();
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CC concreteConnectionConfiguration = connectionConfigurationClass.cast(connectionConfiguration);
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C connection = connectionConstructor.newInstance(concreteConnectionConfiguration);
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connection.setReplyTimeout(sinttestConfiguration.replyTimeout);
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return connection;
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}
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@SuppressWarnings("unchecked")
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public CCB getNewBuilder() throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
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return (CCB) builderMethod.invoke(null);
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}
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public Class<C> getConnectionClass() {
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return connectionClass;
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}
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public String getNickname() {
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return nickname;
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}
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private static <C extends XMPPConnection> Constructor<C> getConstructor(Class<C> connectionClass,
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Class<? extends ConnectionConfiguration> connectionConfigurationClass)
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throws NoSuchMethodException, SecurityException {
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return connectionClass.getConstructor(connectionConfigurationClass);
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}
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private static <CC extends ConnectionConfiguration> Method getBuilderMethod(Class<CC> connectionConfigurationClass)
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throws NoSuchMethodException, SecurityException {
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Method builderMethod = connectionConfigurationClass.getMethod("builder");
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if (!Modifier.isStatic(builderMethod.getModifiers())) {
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throw new IllegalArgumentException();
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}
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Class<?> returnType = builderMethod.getReturnType();
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if (!ConnectionConfiguration.Builder.class.isAssignableFrom(returnType)) {
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throw new IllegalArgumentException();
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}
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return builderMethod;
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}
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public static <C extends AbstractXMPPConnection, CC extends ConnectionConfiguration, CCB extends ConnectionConfiguration.Builder<?, CC>>
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Builder<C, CC, CCB> buildWith(Class<C> connectionClass, Class<CC> connectionConfigurationClass) {
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return buildWith(connectionClass, connectionConfigurationClass, null);
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}
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public static <C extends AbstractXMPPConnection, CC extends ConnectionConfiguration, CCB extends ConnectionConfiguration.Builder<?, CC>>
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Builder<C, CC, CCB> buildWith(Class<C> connectionClass, Class<CC> connectionConfigurationClass, Class<CCB> connectionConfigurationBuilderClass) {
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return new Builder<>(connectionClass, connectionConfigurationClass, connectionConfigurationBuilderClass);
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}
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public static final class Builder<C extends AbstractXMPPConnection, CC extends ConnectionConfiguration, CCB extends ConnectionConfiguration.Builder<?, CC>> {
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private final Class<C> connectionClass;
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private final Class<CC> connectionConfigurationClass;
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private Consumer<CCB> extraBuilder;
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private String nickname;
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// The connectionConfigurationBuilderClass merely exists for type-checking purposes.
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@SuppressWarnings("UnusedVariable")
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private Builder(Class<C> connectionClass, Class<CC> connectionConfigurationClass,
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Class<CCB> connectionConfigurationBuilderClass) {
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this.connectionClass = connectionClass;
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this.connectionConfigurationClass = connectionConfigurationClass;
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nickname = connectionClass.getSimpleName();
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}
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public Builder<C, CC, CCB> applyExtraConfguration(Consumer<CCB> extraBuilder) {
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this.extraBuilder = extraBuilder;
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return this;
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}
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public Builder<C, CC, CCB> withNickname(String nickname) {
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this.nickname = nickname;
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return this;
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}
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public XmppConnectionDescriptor<C, CC, CCB> build() throws NoSuchMethodException, SecurityException {
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return new XmppConnectionDescriptor<>(this);
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}
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}
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}
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