/* * 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.xep0060_pubsub; import java.util.ArrayList; import java.util.Collections; import java.util.List; import org.apache.vysper.compliance.SpecCompliant; import org.apache.vysper.xmpp.addressing.Entity; import org.apache.vysper.xmpp.modules.extension.xep0060_pubsub.model.PayloadItem; import org.apache.vysper.xmpp.modules.servicediscovery.management.Item; /** * This visitor is used to collect all items of a node for disco#items requests. * * @author The Apache MINA Project (http://mina.apache.org) * */ @SpecCompliant(spec = "xep-0060", section = "5.5", status = SpecCompliant.ComplianceStatus.FINISHED, coverage = SpecCompliant.ComplianceCoverage.COMPLETE) public class NodeDiscoItemsVisitor implements ItemVisitor { // list to hold the items (ordered) List<PayloadItem> itemList = new ArrayList<PayloadItem>(); // The JID of the pubsub service Entity serviceJID; public NodeDiscoItemsVisitor(Entity serviceJID) { this.serviceJID = serviceJID; } /** * Gets called with each itemID and payload of a node. Builds the answer * for disco#items requests to a node. * * @see org.apache.vysper.xmpp.modules.extension.xep0060_pubsub.ItemVisitor#visit(java.lang.String, org.apache.vysper.xmpp.xmlfragment.XMLElement) */ public void visit(String itemID, PayloadItem payload) { itemList.add(payload); } /** * @return the ordered list of items. */ public List<Item> getItemList() { List<Item> discoItems = new ArrayList<Item>(); Collections.sort(itemList); for (PayloadItem pi : itemList) { discoItems.add(new Item(serviceJID, pi.getItemID(), null)); } return discoItems; } }