| /* |
| * 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.Objects.requireNonNull; |
| import static java.util.Optional.ofNullable; |
| |
| import java.util.Optional; |
| |
| import org.apache.vysper.xml.fragment.XMLElement; |
| import org.apache.vysper.xml.fragment.XMLSemanticError; |
| import org.apache.vysper.xmpp.modules.extension.xep0059_result_set_management.Set; |
| import org.apache.vysper.xmpp.stanza.IQStanza; |
| |
| /** |
| * @author RĂ©da Housni Alaoui |
| */ |
| public class Query { |
| |
| public static final String ELEMENT_NAME = "query"; |
| |
| private final String namespace; |
| |
| private final IQStanza iqStanza; |
| |
| private final XMLElement element; |
| |
| public Query(String namespace, IQStanza iqStanza) throws XMLSemanticError { |
| this.namespace = requireNonNull(namespace); |
| this.iqStanza = iqStanza; |
| this.element = iqStanza.getSingleInnerElementsNamed(ELEMENT_NAME); |
| if (!ELEMENT_NAME.equals(element.getName())) { |
| throw new IllegalArgumentException( |
| "Query element must be named '" + ELEMENT_NAME + "' instead of '" + element.getName() + "'"); |
| } |
| if (!namespace.equals(element.getNamespaceURI())) { |
| throw new IllegalArgumentException("Query element must be bound to namespace uri '" + namespace |
| + "' instead of '" + element.getNamespaceURI() + "'"); |
| } |
| } |
| |
| public String getNamespace() { |
| return namespace; |
| } |
| |
| public Optional<String> getQueryId() { |
| return ofNullable(element.getAttributeValue("queryid")); |
| } |
| |
| public Optional<String> getNode() { |
| return ofNullable(element.getAttributeValue("node")); |
| } |
| |
| public X getX() throws XMLSemanticError { |
| return ofNullable(element.getSingleInnerElementsNamed(X.ELEMENT_NAME)) |
| .map(element1 -> new X(namespace, element1)).orElseGet(() -> X.empty(namespace)); |
| } |
| |
| public QuerySet getSet() throws XMLSemanticError { |
| XMLElement setElement = element.getSingleInnerElementsNamed(Set.ELEMENT_NAME); |
| if (setElement == null) { |
| return QuerySet.empty(); |
| } |
| return new QuerySet(new Set(setElement)); |
| } |
| |
| public IQStanza iqStanza() { |
| return iqStanza; |
| } |
| |
| } |