Mega Code Archive
Export the current database to the SDcard
<![CDATA[
/*
* Copyright 2010 NWSAlert authors.
*
* 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 com.googlecode.iqapps.IQNWSAlerts;
/**
*
* @author Paul Kronenwetter <kronenpj@gmail.com>
* @author Neil http://stackoverflow.com/users/319625/user319625
*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import android.os.Environment;
import android.util.Log;
// Class to export the current database to the SDcard.
public class SDUtils {
private static final String TAG = "SDUtils";
public static boolean writeToSD(String outputFileName, String packageName,
String data) {
return writeToSD(outputFileName, packageName, data.getBytes());
}
public static boolean writeToSD(String outputFileName, String packageName,
byte[] data) {
// FIXME: Make this a separate thread.
try {
File sd = Environment.getExternalStorageDirectory();
Log.d(TAG, "writeToSD: databaseName: " + outputFileName);
if (sd.canWrite()) {
String filePath = new String(packageName.substring(packageName
.lastIndexOf('.') + 1));
File extDBDir = new File(sd, filePath);
File extDBFile = new File(sd, filePath + "/" + outputFileName);
Log.d(TAG, "writeToSD: filePath: " + filePath);
Log.d(TAG, "writeToSD: extDBFile: " + extDBFile);
if (!extDBDir.exists()) {
Log.d(TAG, "Creating directory: "
+ extDBDir.getAbsolutePath());
if (!extDBDir.mkdir()) {
Log.e(TAG, "Directory creation failed.");
}
} else {
Log.d(TAG, "writeToSD: Directory creation skipped.");
}
try {
Log.d(TAG, "writeToSD: Creating new file: "
+ extDBFile.getAbsolutePath());
// extDBFile.delete();
extDBFile.createNewFile();
} catch (IOException e) {
Log.d(TAG, "writeToSD: " + e.toString());
} catch (SecurityException e) {
Log.d(TAG, "writeToSD: " + e.toString());
}
// ByteBuffer src = ByteBuffer.wrap(data);
// byte[] bSrc = src.array();
// Log.d(TAG, "bSrc is " + bSrc.length + " bytes in size.");
FileOutputStream fileOutStream = new FileOutputStream(extDBFile);
// BufferedOutputStream bos = new BufferedOutputStream(
// fileOutStream);
// FileChannel dst = new
// FileOutputStream(backupFile).getChannel();
Log.d(TAG, "About to write to file.");
fileOutStream.write(data);
Log.d(TAG, "Wrote to file.");
fileOutStream.flush();
fileOutStream.close();
Log.d(TAG, "Closed file.");
extDBFile = new File(sd, filePath + "/" + outputFileName);
if (!extDBFile.exists()) {
Log.e(TAG, "Downloaded file doesn't exist.");
}
if (extDBFile.length() != data.length) {
Log.e(TAG, "Downloaded file doesn't match size.");
} else {
Log
.v(TAG, "File on SD card is size: "
+ extDBFile.length());
}
return true;
}
} catch (Exception e) {
Log.e(TAG, "WriteToSD threw exception: " + e.toString());
}
return false;
}
/**
*
* @param filename
*/
public static void makeReadOnly(String filename) {
File file = new File(filename);
if (!file.exists())
return;
file.setReadOnly();
}
}
]]>