001/** 002 * 003 * Copyright © 2017 Grigory Fedorov 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.httpfileupload.element; 018 019import org.jivesoftware.smack.packet.IQ; 020import org.jivesoftware.smackx.httpfileupload.HttpFileUploadManager; 021import org.jxmpp.jid.DomainBareJid; 022 023/** 024 * Upload slot request. 025 026 * @author Grigory Fedorov 027 * @see <a href="http://xmpp.org/extensions/xep-0363.html">XEP-0363: HTTP File Upload</a> 028 */ 029public class SlotRequest extends IQ { 030 public static final String ELEMENT = "request"; 031 public static final String NAMESPACE = HttpFileUploadManager.NAMESPACE; 032 033 private final String filename; 034 private final long size; 035 private final String contentType; 036 037 public SlotRequest(DomainBareJid uploadServiceAddress, String filename, long size) { 038 this(uploadServiceAddress, filename, size, null); 039 } 040 041 /** 042 * Create new slot request. 043 * 044 * @param uploadServiceAddress the XMPP address of the service to request the slot from. 045 * @param filename name of file 046 * @param size size of file in bytes 047 * @param contentType file content type or null 048 * @throws IllegalArgumentException if size is less than or equal to zero 049 */ 050 public SlotRequest(DomainBareJid uploadServiceAddress, String filename, long size, String contentType) { 051 this(uploadServiceAddress, filename, size, contentType, NAMESPACE); 052 } 053 054 protected SlotRequest(DomainBareJid uploadServiceAddress, String filename, long size, String contentType, String namespace) { 055 super(ELEMENT, namespace); 056 057 if (size <= 0) { 058 throw new IllegalArgumentException("File fileSize must be greater than zero."); 059 } 060 061 this.filename = filename; 062 this.size = size; 063 this.contentType = contentType; 064 065 setType(Type.get); 066 setTo(uploadServiceAddress); 067 } 068 069 public String getFilename() { 070 return filename; 071 } 072 073 public long getSize() { 074 return size; 075 } 076 077 public String getContentType() { 078 return contentType; 079 } 080 081 @Override 082 protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml) { 083 xml.rightAngleBracket(); 084 xml.element("filename", filename); 085 xml.element("size", String.valueOf(size)); 086 xml.optElement("content-type", contentType); 087 return xml; 088 } 089}