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      1 /**
      2  * $RCSfile$
      3  * $Revision$
      4  * $Date$
      5  *
      6  * Copyright 2003-2006 Jive Software.
      7  *
      8  * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
      9  * you may not use this file except in compliance with the License.
     10  * You may obtain a copy of the License at
     11  *
     12  *     http://www.apache.org/licenses/LICENSE-2.0
     13  *
     14  * Unless required by applicable law or agreed to in writing, software
     15  * distributed under the License is distributed on an "AS IS" BASIS,
     16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     17  * See the License for the specific language governing permissions and
     18  * limitations under the License.
     19  */
     20 package org.jivesoftware.smackx.provider;
     21 
     22 import java.text.ParseException;
     23 import java.util.Date;
     24 
     25 import org.jivesoftware.smack.packet.IQ;
     26 import org.jivesoftware.smack.provider.IQProvider;
     27 import org.jivesoftware.smack.util.StringUtils;
     28 import org.jivesoftware.smackx.packet.DataForm;
     29 import org.jivesoftware.smackx.packet.StreamInitiation;
     30 import org.jivesoftware.smackx.packet.StreamInitiation.File;
     31 import org.xmlpull.v1.XmlPullParser;
     32 
     33 /**
     34  * The StreamInitiationProvider parses StreamInitiation packets.
     35  *
     36  * @author Alexander Wenckus
     37  *
     38  */
     39 public class StreamInitiationProvider implements IQProvider {
     40 
     41 	public IQ parseIQ(final XmlPullParser parser) throws Exception {
     42 		boolean done = false;
     43 
     44 		// si
     45 		String id = parser.getAttributeValue("", "id");
     46 		String mimeType = parser.getAttributeValue("", "mime-type");
     47 
     48 		StreamInitiation initiation = new StreamInitiation();
     49 
     50 		// file
     51 		String name = null;
     52 		String size = null;
     53 		String hash = null;
     54 		String date = null;
     55 		String desc = null;
     56 		boolean isRanged = false;
     57 
     58 		// feature
     59 		DataForm form = null;
     60 		DataFormProvider dataFormProvider = new DataFormProvider();
     61 
     62 		int eventType;
     63 		String elementName;
     64 		String namespace;
     65 		while (!done) {
     66 			eventType = parser.next();
     67 			elementName = parser.getName();
     68 			namespace = parser.getNamespace();
     69 			if (eventType == XmlPullParser.START_TAG) {
     70 				if (elementName.equals("file")) {
     71 					name = parser.getAttributeValue("", "name");
     72 					size = parser.getAttributeValue("", "size");
     73 					hash = parser.getAttributeValue("", "hash");
     74 					date = parser.getAttributeValue("", "date");
     75 				} else if (elementName.equals("desc")) {
     76 					desc = parser.nextText();
     77 				} else if (elementName.equals("range")) {
     78 					isRanged = true;
     79 				} else if (elementName.equals("x")
     80 						&& namespace.equals("jabber:x:data")) {
     81 					form = (DataForm) dataFormProvider.parseExtension(parser);
     82 				}
     83 			} else if (eventType == XmlPullParser.END_TAG) {
     84 				if (elementName.equals("si")) {
     85 					done = true;
     86 				} else if (elementName.equals("file")) {
     87                     long fileSize = 0;
     88                     if(size != null && size.trim().length() !=0){
     89                         try {
     90                             fileSize = Long.parseLong(size);
     91                         }
     92                         catch (NumberFormatException e) {
     93                             e.printStackTrace();
     94                         }
     95                     }
     96 
     97                     Date fileDate = new Date();
     98                     if (date != null) {
     99                         try {
    100                             fileDate = StringUtils.parseXEP0082Date(date);
    101                         } catch (ParseException e) {
    102                             // couldn't parse date, use current date-time
    103                         }
    104                     }
    105 
    106                     File file = new File(name, fileSize);
    107 					file.setHash(hash);
    108 					file.setDate(fileDate);
    109 					file.setDesc(desc);
    110 					file.setRanged(isRanged);
    111 					initiation.setFile(file);
    112 				}
    113 			}
    114 		}
    115 
    116 		initiation.setSesssionID(id);
    117 		initiation.setMimeType(mimeType);
    118 
    119 		initiation.setFeatureNegotiationForm(form);
    120 
    121 		return initiation;
    122 	}
    123 
    124 }
    125