model for file representation

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

@@ -0,0 +1,143 @@
+/* ownCloud Android client application
+ *   Copyright (C) 2012  Bartek Przybylski
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package eu.alefzero.owncloud.datamodel;
+
+import java.util.Vector;
+
+import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
+import android.accounts.Account;
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+import android.util.Log;
+
+public class OCFile {
+  private static String TAG = "OCFile";
+  
+  private long id_;
+  private long length_;
+  private long creation_timestamp_;
+  private long modified_timestamp_;
+  private String path_;
+  private String storage_path_;
+  private String mimetype_;
+  
+  private ContentProvider cp_;
+  private Account account_;
+  
+  public OCFile(ContentProvider cp, Account account, long id) {
+    cp_ = cp;
+    account_ = account;
+    Cursor c = cp_.query(ProviderTableMeta.CONTENT_URI_FILE,
+        null,
+        ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
+        ProviderTableMeta._ID + "=?",
+        new String[]{account_.name, String.valueOf(id)},
+        null);
+    setFileData(c);
+  }
+  
+  public OCFile(ContentProvider cp, Account account, String path) {
+    cp_ = cp;
+    account_ = account;
+    Cursor c = cp_.query(ProviderTableMeta.CONTENT_URI_FILE,
+        null,
+        ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
+        ProviderTableMeta.FILE_PATH + "=?",
+        new String[]{account_.name, path},
+        null);
+    setFileData(c);
+    if (path_ != null) path_ = path;
+  }
+  
+  public long getFileId() { return id_; }
+  
+  public String getPath() { return path_; }
+  
+  public boolean fileExtist() { return id_ != -1; }
+  
+  public boolean isDirectory() { return mimetype_ != null && mimetype_.equals("dir"); }
+  
+  public boolean isDownloaded() { return storage_path_ != null; }
+  
+  public String getStoragePath() { return storage_path_; }
+  public void setStoragePath(String storage_path) { storage_path_ = storage_path; }
+  
+  public long getCreationTimestamp() { return creation_timestamp_; }
+  public void setCreationTimestamp(long creation_timestamp) { creation_timestamp_ = creation_timestamp; }
+
+  public long getModificationTimestamp() { return modified_timestamp_; }
+  public void setModificationTimestamp(long modification_timestamp) { modified_timestamp_ = modification_timestamp; }
+
+  public void save() {
+    ContentValues cv = new ContentValues();
+    cv.put(ProviderTableMeta.FILE_MODIFIED, modified_timestamp_);
+    cv.put(ProviderTableMeta.FILE_CREATION, creation_timestamp_);
+    cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, length_);
+    cv.put(ProviderTableMeta.CONTENT_TYPE, mimetype_);
+    
+    Uri new_entry = cp_.insert(ProviderTableMeta.CONTENT_URI, cv);
+    try {
+      id_ = Integer.parseInt(new_entry.getEncodedPath());
+    } catch (NumberFormatException e) {
+      Log.e(TAG, "Can't retrieve file id from uri: " + new_entry.toString() +
+                ", reason: " + e.getMessage());
+      id_ = -1; 
+    }
+  }
+  
+  public Vector<OCFile> getDirectoryContent() {
+    if (isDirectory() && id_ != -1) {
+      Vector<OCFile> ret = new Vector<OCFile>();
+
+      Uri req_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, String.valueOf(id_));
+      Cursor c = cp_.query(req_uri, null, null, null, null);
+
+      if (c.moveToFirst())
+        do {
+          long id = c.getLong(c.getColumnIndex(ProviderTableMeta._ID));
+          OCFile child = new OCFile(cp_, account_, id);
+          ret.add(child);
+        } while (c.moveToNext());
+
+      return ret;
+    }
+    return null;
+  }
+  
+  private void setFileData(Cursor c) {
+    id_ = -1;
+    path_ = null;
+    storage_path_ = null;
+    mimetype_ = null;
+    length_ = 0;
+    creation_timestamp_ = 0;
+    modified_timestamp_ = 0;  
+    if (c != null && c.moveToFirst()) {
+      id_ = c.getLong(c.getColumnIndex(ProviderTableMeta._ID));
+      path_ = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PATH));
+      storage_path_ = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH));
+      mimetype_ = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE));
+      length_ = c.getLong(c.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH));
+      creation_timestamp_ = c.getLong(c.getColumnIndex(ProviderTableMeta.FILE_CREATION)); 
+      modified_timestamp_ = c.getLong(c.getColumnIndex(ProviderTableMeta.FILE_MODIFIED));
+    }
+  }
+}