+/* ownCloud Android client application\r
+ * Copyright (C) 2011 Bartek Przybylski\r
+ *\r
+ * This program is free software: you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation, either version 3 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.\r
+ *\r
+ */\r
+\r
+package eu.alefzero.owncloud.providers;\r
+\r
+import java.util.HashMap;\r
+\r
+import eu.alefzero.owncloud.db.ProviderMeta;\r
+import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;\r
+\r
+import android.content.ContentProvider;\r
+import android.content.ContentUris;\r
+import android.content.ContentValues;\r
+import android.content.Context;\r
+import android.content.UriMatcher;\r
+import android.database.Cursor;\r
+import android.database.SQLException;\r
+import android.database.sqlite.SQLiteDatabase;\r
+import android.database.sqlite.SQLiteOpenHelper;\r
+import android.database.sqlite.SQLiteQueryBuilder;\r
+import android.net.Uri;\r
+import android.text.TextUtils;\r
+\r
+/**\r
+* The ContentProvider for the ownCloud App.\r
+* @author Bartek Przybylski\r
+* \r
+*/\r
+public class FileContentProvider extends ContentProvider {\r
+\r
+ private DataBaseHelper mDbHelper;\r
+ \r
+ private static HashMap<String, String> mProjectionMap;\r
+ static {\r
+ mProjectionMap = new HashMap<String, String>();\r
+ mProjectionMap.put(ProviderTableMeta._ID,\r
+ ProviderTableMeta._ID);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_PARENT,\r
+ ProviderTableMeta.FILE_PARENT);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_PATH,\r
+ ProviderTableMeta.FILE_PATH);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_NAME,\r
+ ProviderTableMeta.FILE_NAME);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_CREATION,\r
+ ProviderTableMeta.FILE_CREATION);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED,\r
+ ProviderTableMeta.FILE_MODIFIED);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH,\r
+ ProviderTableMeta.FILE_CONTENT_LENGTH);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE,\r
+ ProviderTableMeta.FILE_CONTENT_TYPE);\r
+ mProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH,\r
+ ProviderTableMeta.FILE_STORAGE_PATH);\r
+ }\r
+ \r
+ private static final int SINGLE_FILE = 1;\r
+ private static final int DIRECTORY = 2;\r
+ private static final int ROOT_DIRECTORY = 3;\r
+ private static final UriMatcher mUriMatcher;\r
+ static {\r
+ mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);\r
+ mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "/", ROOT_DIRECTORY);\r
+ mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/", SINGLE_FILE);\r
+ mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/#", SINGLE_FILE);\r
+ mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "dir/#", DIRECTORY);\r
+ }\r
+ \r
+ @Override\r
+ public int delete(Uri uri, String where, String[] whereArgs) {\r
+ SQLiteDatabase db = mDbHelper.getWritableDatabase();\r
+ int count = 0;\r
+ switch (mUriMatcher.match(uri)) {\r
+ case SINGLE_FILE:\r
+ count = db.delete(ProviderTableMeta.DB_NAME,\r
+ ProviderTableMeta._ID + "=" + uri.getPathSegments().get(1)\r
+ + (!TextUtils.isEmpty(where)?" AND (" + where +")" : ""),\r
+ whereArgs);\r
+ break;\r
+ case ROOT_DIRECTORY:\r
+ count = db.delete(ProviderTableMeta.DB_NAME, where, whereArgs);\r
+ break;\r
+ default:\r
+ throw new IllegalArgumentException("Unknown uri: " + uri.toString());\r
+ }\r
+ getContext().getContentResolver().notifyChange(uri, null);\r
+ return count;\r
+ }\r
+\r
+ @Override\r
+ public String getType(Uri uri) {\r
+ switch (mUriMatcher.match(uri)) {\r
+ case ROOT_DIRECTORY:\r
+ return ProviderTableMeta.CONTENT_TYPE;\r
+ case SINGLE_FILE:\r
+ return ProviderTableMeta.CONTENT_TYPE_ITEM;\r
+ default:\r
+ throw new IllegalArgumentException("Unknown Uri id." + uri.toString());\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public Uri insert(Uri uri, ContentValues values) {\r
+ if (mUriMatcher.match(uri) != SINGLE_FILE) {\r
+ throw new IllegalArgumentException("Unknown uri id: " + uri);\r
+ }\r
+ \r
+ SQLiteDatabase db = mDbHelper.getWritableDatabase();\r
+ long rowId = db.insert(ProviderTableMeta.DB_NAME, null, values);\r
+ if (rowId > 0) {\r
+ Uri insertedFileUri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, rowId);\r
+ getContext().getContentResolver().notifyChange(insertedFileUri, null);\r
+ return insertedFileUri;\r
+ }\r
+ throw new SQLException("ERROR " + uri);\r
+ }\r
+\r
+ @Override\r
+ public boolean onCreate() {\r
+ mDbHelper = new DataBaseHelper(getContext());\r
+ return true;\r
+ }\r
+\r
+ @Override\r
+ public Cursor query(Uri uri, String[] projection, String selection,\r
+ String[] selectionArgs, String sortOrder) {\r
+ SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder();\r
+ \r
+ sqlQuery.setTables(ProviderTableMeta.DB_NAME);\r
+ sqlQuery.setProjectionMap(mProjectionMap);\r
+ \r
+ switch (mUriMatcher.match(uri)) {\r
+ case ROOT_DIRECTORY:\r
+ sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + " is null");\r
+ break;\r
+ case DIRECTORY:\r
+ sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="+uri.getPathSegments().get(1));\r
+ break;\r
+ case SINGLE_FILE:\r
+ if (uri.getPathSegments().size() > 1) {\r
+ sqlQuery.appendWhere(ProviderTableMeta._ID + "=" +\r
+ uri.getPathSegments().get(1));\r
+ }\r
+ break;\r
+ default:\r
+ throw new IllegalArgumentException("Unknown uri id: " + uri);\r
+ }\r
+ \r
+ String order;\r
+ if (TextUtils.isEmpty(sortOrder)) {\r
+ order = ProviderTableMeta.DEFAULT_SORT_ORDER;\r
+ } else {\r
+ order = sortOrder;\r
+ }\r
+ \r
+ SQLiteDatabase db = mDbHelper.getReadableDatabase();\r
+ Cursor c = sqlQuery.query(db, projection, selection, selectionArgs, null, null, order);\r
+ \r
+ c.setNotificationUri(getContext().getContentResolver(), uri);\r
+\r
+ return c;\r
+ }\r
+\r
+ @Override\r
+ public int update(Uri uri, ContentValues values, String selection,\r
+ String[] selectionArgs) {\r
+ return mDbHelper.getWritableDatabase().update(ProviderTableMeta.DB_NAME, values, selection, selectionArgs);\r
+ }\r
+\r
+ class DataBaseHelper extends SQLiteOpenHelper {\r
+\r
+ public DataBaseHelper(Context context) {\r
+ super(context, ProviderMeta.DB_NAME, null, ProviderMeta.DB_VERSION);\r
+ \r
+ }\r
+ \r
+ @Override\r
+ public void onCreate(SQLiteDatabase db) {\r
+ db.execSQL("CREATE TABLE " + ProviderTableMeta.DB_NAME + "(" +\r
+ ProviderTableMeta._ID + " INTEGER PRIMARY KEY, " +\r
+ ProviderTableMeta.FILE_NAME + " TEXT, " +\r
+ ProviderTableMeta.FILE_PATH + " TEXT, " +\r
+ ProviderTableMeta.FILE_PARENT + " INTEGER, " +\r
+ ProviderTableMeta.FILE_CREATION + " INTEGER, " +\r
+ ProviderTableMeta.FILE_MODIFIED + " INTEGER, " +\r
+ ProviderTableMeta.FILE_CONTENT_TYPE + " TEXT, " +\r
+ ProviderTableMeta.FILE_CONTENT_LENGTH + " INTEGER, " +\r
+ ProviderTableMeta.FILE_STORAGE_PATH + " TEXT, " +\r
+ ProviderTableMeta.FILE_ACCOUNT_OWNER + " TEXT);");\r
+ }\r
+\r
+ @Override\r
+ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {\r
+ \r
+ }\r
+ \r
+ }\r
+ \r
+}\r
projects / pub / Android / ownCloud.git / commitdiff