001/** 002 * 003 * Copyright the original author or authors 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smackx.pubsub; 018 019import java.util.ArrayList; 020import java.util.Collection; 021 022/** 023 * Represents a request to publish an item(s) to a specific node. 024 * 025 * @author Robin Collier 026 */ 027public class PublishItem<T extends Item> extends NodeExtension { 028 protected Collection<T> items; 029 030 /** 031 * Construct a request to publish an item to a node. 032 * 033 * @param nodeId The node to publish to 034 * @param toPublish The {@link Item} to publish 035 */ 036 public PublishItem(String nodeId, T toPublish) { 037 super(PubSubElementType.PUBLISH, nodeId); 038 items = new ArrayList<>(1); 039 items.add(toPublish); 040 } 041 042 /** 043 * Construct a request to publish multiple items to a node. 044 * 045 * @param nodeId The node to publish to 046 * @param toPublish The list of {@link Item} to publish 047 */ 048 public PublishItem(String nodeId, Collection<T> toPublish) { 049 super(PubSubElementType.PUBLISH, nodeId); 050 items = toPublish; 051 } 052 053 @Override 054 public String toXML(String enclosingNamespace) { 055 StringBuilder builder = new StringBuilder("<"); 056 builder.append(getElementName()); 057 builder.append(" node='"); 058 builder.append(getNode()); 059 builder.append("'>"); 060 061 for (Item item : items) { 062 builder.append(item.toXML(null)); 063 } 064 builder.append("</publish>"); 065 066 return builder.toString(); 067 } 068}