/*
* Copyright (C) 2014 University of Washington
*
* Originally developed by Dobility, Inc. (as part of SurveyCTO)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.odk.collect.android.external;
import android.util.Log;
import org.odk.collect.android.R;
import org.odk.collect.android.application.Collect;
import org.odk.collect.android.exception.ExternalDataException;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
/**
* Author: Meletis Margaritis
* Date: 14/05/13
* Time: 17:19
*/
public class ExternalDataManagerImpl implements ExternalDataManager {
private Map<String, ExternalSQLiteOpenHelper> dbMap = new HashMap<String, ExternalSQLiteOpenHelper>();
private final File mediaFolder;
public ExternalDataManagerImpl(File mediaFolder) {
this.mediaFolder = mediaFolder;
}
@Override
public ExternalSQLiteOpenHelper getDatabase(String dataSetName, boolean required) {
ExternalSQLiteOpenHelper sqLiteOpenHelper = dbMap.get(dataSetName);
if (sqLiteOpenHelper == null) {
if (mediaFolder == null) {
String msg = Collect.getInstance().getApplication().getString(R.string.ext_not_initialized_error);
Log.e(ExternalDataUtil.LOGGER_NAME, msg);
if (required) {
throw new ExternalDataException(msg);
} else {
return null;
}
} else {
File dbFile = new File(mediaFolder, dataSetName + ".db");
if (!dbFile.exists()) {
String msg = Collect.getInstance().getApplication().getString(R.string.ext_import_csv_missing_error, dataSetName, dataSetName);
Log.e(ExternalDataUtil.LOGGER_NAME, msg);
if (required) {
throw new ExternalDataException(msg);
} else {
return null;
}
} else {
sqLiteOpenHelper = new ExternalSQLiteOpenHelper(dbFile);
dbMap.put(dataSetName, sqLiteOpenHelper);
}
}
}
return sqLiteOpenHelper;
}
@Override
public void close() {
if (dbMap != null) {
for (ExternalSQLiteOpenHelper externalSQLiteOpenHelper : dbMap.values()) {
Log.w(ExternalDataUtil.LOGGER_NAME, "Closing database handler:" + externalSQLiteOpenHelper.toString());
externalSQLiteOpenHelper.close();
}
}
}
}