001/** 002 * 003 * Copyright 2003-2006 Jive Software. 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.si.provider; 018 019import java.text.ParseException; 020import java.util.Date; 021import java.util.logging.Level; 022import java.util.logging.Logger; 023 024import org.jivesoftware.smack.provider.IQProvider; 025import org.jxmpp.util.XmppDateTime; 026import org.jivesoftware.smackx.si.packet.StreamInitiation; 027import org.jivesoftware.smackx.si.packet.StreamInitiation.File; 028import org.jivesoftware.smackx.xdata.packet.DataForm; 029import org.jivesoftware.smackx.xdata.provider.DataFormProvider; 030import org.xmlpull.v1.XmlPullParser; 031 032/** 033 * The StreamInitiationProvider parses StreamInitiation packets. 034 * 035 * @author Alexander Wenckus 036 * 037 */ 038public class StreamInitiationProvider extends IQProvider<StreamInitiation> { 039 private static final Logger LOGGER = Logger.getLogger(StreamInitiationProvider.class.getName()); 040 041 @Override 042 public StreamInitiation parse(XmlPullParser parser, int initialDepth) 043 throws Exception { 044 boolean done = false; 045 046 // si 047 String id = parser.getAttributeValue("", "id"); 048 String mimeType = parser.getAttributeValue("", "mime-type"); 049 050 StreamInitiation initiation = new StreamInitiation(); 051 052 // file 053 String name = null; 054 String size = null; 055 String hash = null; 056 String date = null; 057 String desc = null; 058 boolean isRanged = false; 059 060 // feature 061 DataForm form = null; 062 DataFormProvider dataFormProvider = new DataFormProvider(); 063 064 int eventType; 065 String elementName; 066 String namespace; 067 while (!done) { 068 eventType = parser.next(); 069 elementName = parser.getName(); 070 namespace = parser.getNamespace(); 071 if (eventType == XmlPullParser.START_TAG) { 072 if (elementName.equals("file")) { 073 name = parser.getAttributeValue("", "name"); 074 size = parser.getAttributeValue("", "size"); 075 hash = parser.getAttributeValue("", "hash"); 076 date = parser.getAttributeValue("", "date"); 077 } else if (elementName.equals("desc")) { 078 desc = parser.nextText(); 079 } else if (elementName.equals("range")) { 080 isRanged = true; 081 } else if (elementName.equals("x") 082 && namespace.equals("jabber:x:data")) { 083 form = dataFormProvider.parse(parser); 084 } 085 } else if (eventType == XmlPullParser.END_TAG) { 086 if (elementName.equals("si")) { 087 done = true; 088 } else if (elementName.equals("file")) { 089 long fileSize = 0; 090 if(size != null && size.trim().length() !=0){ 091 try { 092 fileSize = Long.parseLong(size); 093 } 094 catch (NumberFormatException e) { 095 LOGGER.log(Level.SEVERE, "Failed to parse file size from " + fileSize, e); 096 } 097 } 098 099 Date fileDate = new Date(); 100 if (date != null) { 101 try { 102 fileDate = XmppDateTime.parseDate(date); 103 } catch (ParseException e) { 104 // couldn't parse date, use current date-time 105 } 106 } 107 108 File file = new File(name, fileSize); 109 file.setHash(hash); 110 file.setDate(fileDate); 111 file.setDesc(desc); 112 file.setRanged(isRanged); 113 initiation.setFile(file); 114 } 115 } 116 } 117 118 initiation.setSessionID(id); 119 initiation.setMimeType(mimeType); 120 121 initiation.setFeatureNegotiationForm(form); 122 123 return initiation; 124 } 125 126}