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