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{
029    protected Collection<T> items;
030
031    /**
032     * Construct a request to publish an item to a node.
033     * 
034     * @param nodeId The node to publish to
035     * @param toPublish The {@link Item} to publish
036     */
037    public PublishItem(String nodeId, T toPublish)
038    {
039        super(PubSubElementType.PUBLISH, nodeId);
040        items = new ArrayList<>(1);
041        items.add(toPublish);
042    }
043
044    /**
045     * Construct a request to publish multiple items to a node.
046     * 
047     * @param nodeId The node to publish to
048     * @param toPublish The list of {@link Item} to publish
049     */
050    public PublishItem(String nodeId, Collection<T> toPublish)
051    {
052        super(PubSubElementType.PUBLISH, nodeId);
053        items = toPublish;
054    }
055
056    @Override
057    public String toXML()
058    {
059        StringBuilder builder = new StringBuilder("<");
060        builder.append(getElementName());
061        builder.append(" node='");
062        builder.append(getNode());
063        builder.append("'>");
064
065        for (Item item : items)
066        {
067            builder.append(item.toXML());
068        }
069        builder.append("</publish>");
070
071        return builder.toString();
072    }
073}