| /* |
| * 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.query; |
| |
| import static java.util.Optional.ofNullable; |
| |
| import java.time.ZonedDateTime; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Optional; |
| |
| import org.apache.vysper.xml.fragment.XMLElement; |
| import org.apache.vysper.xmpp.addressing.Entity; |
| import org.apache.vysper.xmpp.addressing.EntityImpl; |
| import org.apache.vysper.xmpp.datetime.DateTimeProfile; |
| import org.apache.vysper.xmpp.modules.extension.xep0313_mam.spi.DateTimeFilter; |
| import org.apache.vysper.xmpp.protocol.NamespaceURIs; |
| import org.apache.vysper.xmpp.stanza.dataforms.DataFormParser; |
| |
| /** |
| * @author RĂ©da Housni Alaoui |
| */ |
| public class X implements DateTimeFilter { |
| |
| public static final String ELEMENT_NAME = "x"; |
| |
| private final Map<String, Object> fields; |
| |
| public X(String namespace, XMLElement element) { |
| if (!ELEMENT_NAME.equals(element.getName())) { |
| throw new IllegalArgumentException( |
| "Query element must be named '" + ELEMENT_NAME + "' instead of '" + element.getName() + "'"); |
| } |
| if (!NamespaceURIs.JABBER_X_DATA.equals(element.getNamespaceURI())) { |
| throw new IllegalArgumentException("Query element must be bound to namespace uri '" + namespace |
| + "' instead of '" + element.getNamespaceURI() + "'"); |
| } |
| fields = new DataFormParser(element).extractFieldValues(); |
| } |
| |
| public static X empty(String namespace) { |
| return new X(namespace, new XMLElement(NamespaceURIs.JABBER_X_DATA, ELEMENT_NAME, null, Collections.emptyList(), |
| Collections.emptyList())); |
| } |
| |
| private Optional<String> getStringValue(String fieldName) { |
| return ofNullable(fields.get(fieldName)).map(String.class::cast); |
| } |
| |
| private Optional<ZonedDateTime> getZonedDateTime(String fieldName) { |
| return getStringValue(fieldName).map(stringDate -> DateTimeProfile.getInstance().fromZonedDateTime(stringDate)); |
| } |
| |
| public Optional<Entity> getWith() { |
| return getStringValue("with").map(EntityImpl::parseUnchecked); |
| } |
| |
| public Optional<ZonedDateTime> start() { |
| return getZonedDateTime("start"); |
| } |
| |
| public Optional<ZonedDateTime> end() { |
| return getZonedDateTime("end"); |
| } |
| |
| } |