src/eu/alefzero/webdav/WebdavUtils.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package eu.alefzero.webdav;
  20
  21 import java.io.IOException;
  22 import java.io.InputStream;
  23 import java.text.ParseException;
  24 import java.text.SimpleDateFormat;
  25 import java.util.Date;
  26 import java.util.LinkedList;
  27 import java.util.List;
  28 import java.util.Locale;
  29
  30 import javax.xml.parsers.DocumentBuilder;
  31 import javax.xml.parsers.DocumentBuilderFactory;
  32 import javax.xml.parsers.ParserConfigurationException;
  33
  34 import org.w3c.dom.Document;
  35 import org.w3c.dom.Element;
  36 import org.w3c.dom.Node;
  37 import org.w3c.dom.NodeList;
  38 import org.xml.sax.SAXException;
  39
  40 import android.util.Log;
  41
  42 public class WebdavUtils {
  43
  44   public static final String RESPONSE = "response";
  45   public static final String HREF = "href";
  46   public static final String IS_HIDDEN = "ishidden";
  47   public static final String RESOURCE_TYPE = "resourcetype";
  48   public static final String CONTENT_TYPE = "getcontenttype";
  49   public static final String CONTENT_LENGTH = "getcontentlength";
  50   public static final String LAST_MODIFIED = "getlastmodified";
  51   public static final String LAST_ACCESS = "lastaccessed";
  52   public static final String CREATE_DATE = "creationdate";
  53
  54   public static final String PROPSTAT = "propstat";
  55   public static final String STATUS = "status";
  56   public static final String PROP = "prop";
  57
  58   private static final String DAV_NAMESPACE_PREFIX = "DAV:";
  59
  60   public static final SimpleDateFormat DISPLAY_DATE_FORMAT = new SimpleDateFormat("dd.MM.yyyy hh:mm");
  61   private static final SimpleDateFormat DATETIME_FORMATS[] = {
  62       new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US),
  63       new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US),
  64       new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.sss'Z'", Locale.US),
  65       new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ", Locale.US),
  66       new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US),
  67       new SimpleDateFormat("EEEEEE, dd-MMM-yy HH:mm:ss zzz", Locale.US),
  68       new SimpleDateFormat("EEE MMMM d HH:mm:ss yyyy", Locale.US)};
  69
  70   public static String prepareXmlForPropFind() {
  71     String ret = "<?xml version=\"1.0\" ?><D:propfind xmlns:D=\"DAV:\"><D:allprop/></D:propfind>";
  72     return ret;
  73   }
  74
  75   public static String prepareXmlForPatch() {
  76     return "<?xml version=\"1.0\" ?><D:propertyupdate xmlns:D=\"DAV:\"></D:propertyupdate>";
  77   }
  78
  79   public static Date parseResponseDate(String date) {
  80     Date returnDate = null;
  81     for (int i = 0; i < DATETIME_FORMATS.length; ++i) {
  82       try {
  83         returnDate = DATETIME_FORMATS[i].parse(date);
  84         return returnDate;
  85       } catch (ParseException e) {}
  86     }
  87     return null;
  88   }
  89
  90   private static String determineDAVPrefix(Element e) {
  91     for (int i = 0; i < e.getAttributes().getLength(); ++i) {
  92       String attrName = e.getAttributes().item(i).getNodeName();
  93       if (e.getAttribute(attrName).equals(DAV_NAMESPACE_PREFIX)) {
  94         return attrName.substring(attrName.lastIndexOf(':')+1) + ":";
  95       }
  96     }
  97     return null;
  98   }
  99 }