| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.vysper.xmpp.modules.extension.xep0313_mam.in_memory; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.StringJoiner; |
| import java.util.UUID; |
| import java.util.function.Predicate; |
| import java.util.stream.Collectors; |
| |
| import org.apache.vysper.xmpp.addressing.Entity; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.ArchivedMessage; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.ArchivedMessages; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.Message; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.MessageArchive; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.MessageFilter; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.MessagePageRequest; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.SimpleArchivedMessage; |
| |
| /** |
| * @author RĂ©da Housni Alaoui |
| */ |
| public class InMemoryMessageArchive implements MessageArchive { |
| |
| private final Entity archiveId; |
| |
| private final List<SimpleArchivedMessage> messages = new ArrayList<>(); |
| |
| public InMemoryMessageArchive(Entity archiveId) { |
| this.archiveId = requireNonNull(archiveId); |
| } |
| |
| @Override |
| public ArchivedMessage archive(Message message) { |
| SimpleArchivedMessage archivedMessage = new SimpleArchivedMessage(UUID.randomUUID().toString(), message); |
| messages.add(archivedMessage); |
| return archivedMessage; |
| } |
| |
| @Override |
| public ArchivedMessages fetchSortedByOldestFirst(MessageFilter messageFilter, MessagePageRequest pageRequest) { |
| List<ArchivedMessage> filteredMessages = filterMessages(new InMemoryMessageFilter(messageFilter)); |
| return new InMemoryArchivedMessagesPage(pageRequest, filteredMessages); |
| } |
| |
| @Override |
| public ArchivedMessages fetchLastPageSortedByOldestFirst(MessageFilter messageFilter, long pageSize) { |
| List<ArchivedMessage> filteredMessages = filterMessages(new InMemoryMessageFilter(messageFilter)); |
| return new InMemoryArchivedMessagesLastPage(pageSize, filteredMessages); |
| } |
| |
| private List<ArchivedMessage> filterMessages(Predicate<ArchivedMessage> predicate) { |
| return messages.stream().filter(predicate).collect(Collectors.toList()); |
| } |
| |
| @Override |
| public String toString() { |
| return new StringJoiner(", ", InMemoryMessageArchive.class.getSimpleName() + "[", "]") |
| .add("archiveId=" + archiveId).toString(); |
| } |
| } |