Back to project page Android-SecretCodes.
The source code is released under:
Apache License
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/* * Copyright (C) 2013 Simon Marquis (http://www.simon-marquis.fr) * /* w ww.j a v a 2 s . c om*/ * 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 fr.simon.marquis.secretcodes.util; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Locale; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.content.ContentProvider; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Build; import android.os.ParcelFileDescriptor; import android.util.Log; import fr.simon.marquis.secretcodes.model.SecretCode; public class ExportContentProvider extends ContentProvider { private static final String ZIP_FILE_NAME = "SecretCodes.zip"; private static final String JSON_FILE_NAME = "SecretCodes.json"; private static final int BUFFER = 2048; public static final Uri CONTENT_URI = Uri.parse("content://fr.simon.marquis.secretcodes.data/" + ZIP_FILE_NAME); private static final String DEVICE_MANUFACTURER = "DEVICE_MANUFACTURER"; private static final String DEVICE_MODEL = "DEVICE_MODEL"; private static final String DEVICE_CODE_NAME = "DEVICE_CODE_NAME"; private static final String DEVICE_LOCALE = "DEVICE_LOCALE"; private static final String ANDROID_VERSION = "ANDROID_VERSION"; private static final String SECRET_CODES = "SECRET_CODES"; public ExportContentProvider() { } @Override public int delete(Uri uri, String selection, String[] selectionArgs) { return 0; } @Override public String getType(Uri uri) { return null; } @Override public Uri insert(Uri uri, ContentValues values) { return null; } @Override public boolean onCreate() { return true; } @Override public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { return null; } @Override public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { return 0; } @Override public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException { if (!CONTENT_URI.equals(uri)) { throw new FileNotFoundException(uri.getPath()); } ArrayList<SecretCode> secretCodes = Utils.getSecretCodes(getContext()); deletePreviousData(); saveJsonFile(secretCodes); saveImageFiles(secretCodes); saveZipFile(); File zipFile = new File(getContext().getFilesDir(), ZIP_FILE_NAME); if (zipFile.exists()) { return ParcelFileDescriptor.open(zipFile, ParcelFileDescriptor.MODE_READ_ONLY); } throw new FileNotFoundException(uri.getPath()); } private void saveZipFile() { File[] files = getContext().getFilesDir().listFiles(); String zipPath = getContext().getFilesDir().getAbsolutePath() + "/" + ZIP_FILE_NAME; try { BufferedInputStream origin = null; FileOutputStream zipFile = new FileOutputStream(zipPath); ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(zipFile)); byte data[] = new byte[BUFFER]; for (int i = 0; i < files.length; i++) { FileInputStream fi = new FileInputStream(files[i]); origin = new BufferedInputStream(fi, BUFFER); ZipEntry entry = new ZipEntry(files[i].getAbsolutePath().substring(files[i].getAbsolutePath().lastIndexOf("/") + 1)); out.putNextEntry(entry); int count; while ((count = origin.read(data, 0, BUFFER)) != -1) { out.write(data, 0, count); } origin.close(); } out.close(); Log.d(this.getClass().getSimpleName(), "zipFile created at " + zipPath + " with " + files.length + " files"); } catch (Exception e) { e.printStackTrace(); Log.e(this.getClass().getSimpleName(), "error while zipping at " + zipPath + " with " + files.length + " files", e); } } private void saveImageFiles(ArrayList<SecretCode> secretCodes) { for (SecretCode secretCode : secretCodes) { try { if (secretCode.getDrawableResource() == 0) { continue; } Drawable drawable = getContext().getPackageManager().getDrawable(secretCode.getPackageManager(), secretCode.getDrawableResource(), null); if (drawable == null) { continue; } int height = drawable.getIntrinsicHeight(); int width = drawable.getIntrinsicWidth(); Bitmap createBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); if (createBitmap == null) { continue; } Canvas canvas = new Canvas(createBitmap); drawable.setBounds(0, 0, width, height); drawable.draw(canvas); FileOutputStream openFileOutput = getContext().openFileOutput(secretCode.getCode() + ".png", Context.MODE_PRIVATE); createBitmap.compress(Bitmap.CompressFormat.PNG, 100, openFileOutput); openFileOutput.flush(); openFileOutput.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } } private void saveJsonFile(ArrayList<SecretCode> secretCodes) { try { JSONObject jsonObject = new JSONObject(); jsonObject.put(DEVICE_MANUFACTURER, Build.MANUFACTURER); jsonObject.put(DEVICE_MODEL, Build.MODEL); jsonObject.put(DEVICE_CODE_NAME, Build.DEVICE); jsonObject.put(DEVICE_LOCALE, Locale.getDefault().getDisplayName()); jsonObject.put(ANDROID_VERSION, String.valueOf(Build.VERSION.RELEASE)); JSONArray jsonArray = new JSONArray(); for (SecretCode secretCode : secretCodes) { jsonArray.put(secretCode.toJSON()); } jsonObject.put(SECRET_CODES, jsonArray); FileOutputStream openFileOutput = getContext().openFileOutput(JSON_FILE_NAME, Context.MODE_PRIVATE); openFileOutput.write(jsonObject.toString(4).getBytes()); openFileOutput.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (JSONException e) { e.printStackTrace(); } } private void deletePreviousData() { String[] fileList = getContext().fileList(); for (String file : fileList) { getContext().deleteFile(file); } } }