| /* |
| * 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 java.util.Optional; |
| import java.util.function.Predicate; |
| import java.util.stream.Stream; |
| |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.ArchivedMessage; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.MessageFilter; |
| |
| /** |
| * @author RĂ©da Housni Alaoui |
| */ |
| public class InMemoryMessageFilter implements Predicate<ArchivedMessage> { |
| |
| private final Predicate<ArchivedMessage> predicate; |
| |
| public InMemoryMessageFilter(MessageFilter messageFilter) { |
| Optional<Predicate<ArchivedMessage>> dateTimeFilter = messageFilter.dateTimeFilter() |
| .map(InMemoryDateTimeFilter::new); |
| Optional<Predicate<ArchivedMessage>> entityFilter = messageFilter.entityFilter().map(InMemoryEntityFilter::new); |
| |
| predicate = Stream.of(dateTimeFilter, entityFilter).filter(Optional::isPresent).map(Optional::get) |
| .reduce(Predicate::and).orElse(message -> true); |
| } |
| |
| @Override |
| public boolean test(ArchivedMessage message) { |
| return predicate.test(message); |
| } |
| } |