src/eu/alefzero/owncloud/datamodel/OCFile.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  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.owncloud.datamodel;
  20
  21 import java.io.File;
  22 import java.util.Vector;
  23
  24 import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
  25 import android.accounts.Account;
  26 import android.content.ContentProviderClient;
  27 import android.content.ContentResolver;
  28 import android.content.ContentValues;
  29 import android.database.Cursor;
  30 import android.net.Uri;
  31 import android.os.RemoteException;
  32 import android.util.Log;
  33
  34 public class OCFile {
  35   private static String TAG = "OCFile";
  36
  37   private long id_;
  38   private long parent_id_;
  39   private long length_;
  40   private long creation_timestamp_;
  41   private long modified_timestamp_;
  42   private String path_;
  43   private String storage_path_;
  44   private String mimetype_;
  45
  46   private ContentResolver cr_;
  47   private ContentProviderClient cp_;
  48   private Account account_;
  49
  50   public static OCFile createNewFile(ContentProviderClient cr, Account account,
  51       String path, long length, long creation_timestamp,
  52       long modified_timestamp, String mimetype, long parent_id) {
  53     OCFile new_file = new OCFile(cr, account);
  54
  55     try {
  56       Cursor c = new_file.cp_.query(ProviderTableMeta.CONTENT_URI_FILE, null,
  57           ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND "
  58               + ProviderTableMeta.FILE_PATH + "=?", new String[]{new_file.account_.name,
  59               path}, null);
  60       if (c.moveToFirst())
  61         new_file.setFileData(c);
  62       c.close();
  63     } catch (RemoteException e) {
  64       Log.e(TAG, e.getMessage());
  65     }
  66
  67     new_file.path_ = path;
  68     new_file.length_ = length;
  69     new_file.creation_timestamp_ = creation_timestamp;
  70     new_file.modified_timestamp_ = modified_timestamp;
  71     new_file.mimetype_ = mimetype;
  72     new_file.parent_id_ = parent_id;
  73
  74     return new_file;
  75   }
  76
  77   public OCFile(ContentResolver cr, Account account, long id) {
  78     cr_ = cr;
  79     account_ = account;
  80     Cursor c = cr_.query(ProviderTableMeta.CONTENT_URI_FILE, null,
  81         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND "
  82             + ProviderTableMeta._ID + "=?",
  83         new String[]{account_.name, String.valueOf(id)}, null);
  84     if (c.moveToFirst())
  85       setFileData(c);
  86   }
  87
  88   public OCFile(ContentResolver cr, Account account, String path) {
  89     cr_ = cr;
  90     account_ = account;
  91
  92     Cursor c = cr_.query(ProviderTableMeta.CONTENT_URI_FILE, null,
  93         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND "
  94             + ProviderTableMeta.FILE_PATH + "=?", new String[]{account_.name,
  95             path}, null);
  96     if (c.moveToFirst()) {
  97       setFileData(c);
  98       if (path_ != null)
  99         path_ = path;
 100     }
 101   }
 102
 103   public long getFileId() {
 104     return id_;
 105   }
 106
 107   public String getPath() {
 108     return path_;
 109   }
 110
 111   public boolean fileExtist() {
 112     return id_ != -1;
 113   }
 114
 115   public boolean isDirectory() {
 116     return mimetype_ != null && mimetype_.equals("DIR");
 117   }
 118
 119   public boolean isDownloaded() {
 120     return storage_path_ != null;
 121   }
 122
 123   public String getStoragePath() {
 124     return storage_path_;
 125   }
 126   public void setStoragePath(String storage_path) {
 127     storage_path_ = storage_path;
 128   }
 129
 130   public long getCreationTimestamp() {
 131     return creation_timestamp_;
 132   }
 133   public void setCreationTimestamp(long creation_timestamp) {
 134     creation_timestamp_ = creation_timestamp;
 135   }
 136
 137   public long getModificationTimestamp() {
 138     return modified_timestamp_;
 139   }
 140   public void setModificationTimestamp(long modification_timestamp) {
 141     modified_timestamp_ = modification_timestamp;
 142   }
 143
 144   public String getFileName() {
 145     if (path_ != null) {
 146       File f = new File(path_);
 147       return f.getName().equals("") ? "/" : f.getName();
 148     }
 149     return null;
 150   }
 151
 152   public String getMimetype() {
 153     return mimetype_;
 154   }
 155
 156   public void save() {
 157     ContentValues cv = new ContentValues();
 158     cv.put(ProviderTableMeta.FILE_MODIFIED, modified_timestamp_);
 159     cv.put(ProviderTableMeta.FILE_CREATION, creation_timestamp_);
 160     cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, length_);
 161     cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, mimetype_);
 162     cv.put(ProviderTableMeta.FILE_NAME, getFileName());
 163     if (parent_id_ != 0)
 164       cv.put(ProviderTableMeta.FILE_PARENT, parent_id_);
 165     cv.put(ProviderTableMeta.FILE_PATH, path_);
 166     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, storage_path_);
 167     cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, account_.name);
 168
 169     if (fileExtist()) {
 170       if (cp_ != null) {
 171         try {
 172           cp_.update(ProviderTableMeta.CONTENT_URI, cv, ProviderTableMeta._ID
 173               + "=?", new String[]{String.valueOf(id_)});
 174         } catch (RemoteException e) {
 175           Log.e(TAG, e.getMessage());
 176           return;
 177         }
 178       } else {
 179         cr_.update(ProviderTableMeta.CONTENT_URI, cv, ProviderTableMeta._ID
 180             + "=?", new String[]{String.valueOf(id_)});
 181       }
 182     } else {
 183       Uri new_entry = null;
 184       if (cp_ != null) {
 185         try {
 186           new_entry = cp_.insert(ProviderTableMeta.CONTENT_URI_FILE, cv);
 187         } catch (RemoteException e) {
 188           Log.e(TAG, e.getMessage());
 189           id_ = -1;
 190           return;
 191         }
 192       } else {
 193         new_entry = cr_.insert(ProviderTableMeta.CONTENT_URI_FILE, cv);
 194       }
 195       try {
 196         String p = new_entry.getEncodedPath();
 197         id_ = Integer.parseInt(p.substring(p.lastIndexOf('/')+1));
 198       }  catch (NumberFormatException e) {
 199         Log.e(TAG, "Can't retrieve file id from uri: " + new_entry.toString()
 200             + ", reason: " + e.getMessage());
 201         id_ = -1;
 202       }
 203     }
 204   }
 205
 206   public Vector<OCFile> getDirectoryContent() {
 207     if (isDirectory() && id_ != -1) {
 208       Vector<OCFile> ret = new Vector<OCFile>();
 209
 210       Uri req_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR,
 211           String.valueOf(id_));
 212       Cursor c = null;
 213       if (cp_ != null) {
 214         try {
 215           c = cp_.query(req_uri, null, null, null, null);
 216         } catch (RemoteException e) {
 217           Log.e(TAG, e.getMessage());
 218           return ret;
 219         }
 220       } else {
 221         c = cr_.query(req_uri, null, null, null, null);
 222       }
 223
 224       if (c.moveToFirst())
 225         do {
 226           OCFile child = new OCFile(cp_, account_);
 227           child.setFileData(c);
 228           ret.add(child);
 229         } while (c.moveToNext());
 230
 231       c.close();
 232       return ret;
 233     }
 234     return null;
 235   }
 236
 237   public void addFile(OCFile file) {
 238     file.parent_id_ = id_;
 239     file.save();
 240   }
 241
 242   private OCFile(ContentProviderClient cp, Account account) {
 243     account_ = account;
 244     cp_ = cp;
 245     resetData();
 246   }
 247
 248   private void resetData() {
 249     id_ = -1;
 250     path_ = null;
 251     parent_id_ = 0;
 252     storage_path_ = null;
 253     mimetype_ = null;
 254     length_ = 0;
 255     creation_timestamp_ = 0;
 256     modified_timestamp_ = 0;
 257   }
 258
 259   private void setFileData(Cursor c) {
 260     resetData();
 261     if (c != null) {
 262       id_ = c.getLong(c.getColumnIndex(ProviderTableMeta._ID));
 263       path_ = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PATH));
 264       parent_id_ = c.getLong(c.getColumnIndex(ProviderTableMeta.FILE_PARENT));
 265       storage_path_ = c.getString(c
 266           .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH));
 267       mimetype_ = c.getString(c
 268           .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE));
 269       length_ = c.getLong(c
 270           .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH));
 271       creation_timestamp_ = c.getLong(c
 272           .getColumnIndex(ProviderTableMeta.FILE_CREATION));
 273       modified_timestamp_ = c.getLong(c
 274           .getColumnIndex(ProviderTableMeta.FILE_MODIFIED));
 275     }
 276   }
 277 }