1d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen/** 2d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); 3d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * you may not use this file except in compliance with the License. 4d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * You may obtain a copy of the License at 5d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 6d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * http://www.apache.org/licenses/LICENSE-2.0 7d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 8d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Unless required by applicable law or agreed to in writing, software 9d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * distributed under the License is distributed on an "AS IS" BASIS, 10d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * See the License for the specific language governing permissions and 12d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * limitations under the License. 13d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 14d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenpackage org.jivesoftware.smackx.pubsub; 15d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 16d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smack.packet.PacketExtension; 17d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 18d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen/** 19d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * A class which represents a common element within the pubsub defined 20d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * schemas. One which has a <b>node</b> as an attribute. This class is 21d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * used on its own as well as a base class for many others, since the 22d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * node is a central concept to most pubsub functionality. 23d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 24d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @author Robin Collier 25d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 26d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenpublic class NodeExtension implements PacketExtension 27d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen{ 28d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private PubSubElementType element; 29d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private String node; 30d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 31d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen /** 32d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Constructs a <tt>NodeExtension</tt> with an element name specified 33d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * by {@link PubSubElementType} and the specified node id. 34d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 35d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @param elem Defines the element name and namespace 36d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @param nodeId Specifies the id of the node 37d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 38d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public NodeExtension(PubSubElementType elem, String nodeId) 39d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen { 40d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen element = elem; 41d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen this.node = nodeId; 42d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 43d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 44d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen /** 45d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Constructs a <tt>NodeExtension</tt> with an element name specified 46d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * by {@link PubSubElementType}. 47d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 48d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @param elem Defines the element name and namespace 49d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 50d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public NodeExtension(PubSubElementType elem) 51d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen { 52d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen this(elem, null); 53d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 54d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 55d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen /** 56d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Gets the node id 57d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 58d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @return The node id 59d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 60d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public String getNode() 61d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen { 62d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return node; 63d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 64d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 65d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public String getElementName() 66d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen { 67d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return element.getElementName(); 68d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 69d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 70d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public String getNamespace() 71d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen { 72d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return element.getNamespace().getXmlns(); 73d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 74d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 75d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public String toXML() 76d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen { 77d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return '<' + getElementName() + (node == null ? "" : " node='" + node + '\'') + "/>"; 78d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 79d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 80d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen @Override 81d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public String toString() 82d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen { 83d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return getClass().getName() + " - content [" + toXML() + "]"; 84d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 85d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen} 86