diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/FileImportCache.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/FileImportCache.java | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/FileImportCache.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/FileImportCache.java deleted file mode 100644 index 08b8afae7..000000000 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/FileImportCache.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de> - * - * 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 org.sufficientlysecure.keychain.keyimport; - -import android.content.Context; -import android.os.Bundle; -import android.os.Parcel; - -import org.sufficientlysecure.keychain.KeychainApplication; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileOutputStream; -import java.io.IOException; -import java.util.ArrayList; -import java.util.List; - -/** - * When sending large data (over 1MB) through Androids Binder IPC you get - * JavaBinder E !!! FAILED BINDER TRANSACTION !!! - * <p/> - * To overcome this problem, we cache large Parcelables into a file in our private cache directory - * instead of sending them through IPC. - */ -public class FileImportCache { - - private Context mContext; - - private static final String FILENAME = "key_import.pcl"; - private static final String BUNDLE_DATA = "data"; - - public FileImportCache(Context context) { - this.mContext = context; - } - - public void writeCache(ArrayList<ParcelableKeyRing> selectedEntries) throws IOException { - Bundle in = new Bundle(); - in.putParcelableArrayList(BUNDLE_DATA, selectedEntries); - File cacheDir = mContext.getCacheDir(); - if (cacheDir == null) { - // https://groups.google.com/forum/#!topic/android-developers/-694j87eXVU - throw new IOException("cache dir is null!"); - } - File tempFile = new File(mContext.getCacheDir(), FILENAME); - - FileOutputStream fos = new FileOutputStream(tempFile); - Parcel p = Parcel.obtain(); // creating empty parcel object - in.writeToParcel(p, 0); // saving bundle as parcel - fos.write(p.marshall()); // writing parcel to file - fos.flush(); - fos.close(); - } - - public List<ParcelableKeyRing> readCache() throws IOException { - Parcel parcel = Parcel.obtain(); // creating empty parcel object - Bundle out; - File cacheDir = mContext.getCacheDir(); - if (cacheDir == null) { - // https://groups.google.com/forum/#!topic/android-developers/-694j87eXVU - throw new IOException("cache dir is null!"); - } - - File tempFile = new File(cacheDir, FILENAME); - try { - FileInputStream fis = new FileInputStream(tempFile); - byte[] array = new byte[(int) fis.getChannel().size()]; - fis.read(array, 0, array.length); - fis.close(); - - parcel.unmarshall(array, 0, array.length); - parcel.setDataPosition(0); - out = parcel.readBundle(KeychainApplication.class.getClassLoader()); - out.putAll(out); - - return out.getParcelableArrayList(BUNDLE_DATA); - } finally { - parcel.recycle(); - // delete temp file - tempFile.delete(); - } - } -} |