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.bytestreams.ibb.packet; 018 019import org.jivesoftware.smack.packet.IQ; 020 021/** 022 * Represents a chunk of data sent over an In-Band Bytestream encapsulated in an 023 * IQ stanza. 024 * 025 * @author Henning Staib 026 */ 027public class Data extends IQ { 028 029 /* the data packet extension */ 030 private final DataPacketExtension dataPacketExtension; 031 032 /** 033 * Constructor. 034 * 035 * @param data data stanza extension containing the encoded data 036 */ 037 @SuppressWarnings("this-escape") 038 public Data(DataPacketExtension data) { 039 super(DataPacketExtension.ELEMENT, DataPacketExtension.NAMESPACE); 040 if (data == null) { 041 throw new IllegalArgumentException("Data must not be null"); 042 } 043 this.dataPacketExtension = data; 044 045 setType(IQ.Type.set); 046 } 047 048 /** 049 * Returns the data stanza extension. 050 * 051 * @return the data stanza extension 052 */ 053 public DataPacketExtension getDataPacketExtension() { 054 return this.dataPacketExtension; 055 } 056 057 @Override 058 protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml) { 059 return dataPacketExtension.getIQChildElementBuilder(xml); 060 } 061 062}