diff options
Diffstat (limited to 'org_apg/src/org/thialfihar/android/apg/util/Utils.java')
| -rw-r--r-- | org_apg/src/org/thialfihar/android/apg/util/Utils.java | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/org_apg/src/org/thialfihar/android/apg/util/Utils.java b/org_apg/src/org/thialfihar/android/apg/util/Utils.java deleted file mode 100644 index d8b76ad33..000000000 --- a/org_apg/src/org/thialfihar/android/apg/util/Utils.java +++ /dev/null @@ -1,189 +0,0 @@ -/* - * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de> - * - * 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.thialfihar.android.apg.util; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.util.ArrayList; -import java.util.Calendar; -import java.util.GregorianCalendar; -import java.util.Iterator; -import java.util.Vector; - -import org.spongycastle.openpgp.PGPObjectFactory; -import org.spongycastle.openpgp.PGPSecretKey; -import org.spongycastle.openpgp.PGPSecretKeyRing; -import org.thialfihar.android.apg.Constants; -import org.thialfihar.android.apg.R; - -import android.app.Activity; -import android.content.ActivityNotFoundException; -import android.content.Context; -import android.content.Intent; -import android.net.Uri; -import android.util.Log; -import android.widget.Toast; - -public class Utils { - - /** - * Opens the file manager to select a file to open. - */ - public static void openFile(Activity activity, String filename, String type, int requestCode) { - Intent intent = new Intent(Intent.ACTION_GET_CONTENT); - intent.addCategory(Intent.CATEGORY_OPENABLE); - - intent.setData(Uri.parse("file://" + filename)); - intent.setType(type); - - try { - activity.startActivityForResult(intent, requestCode); - } catch (ActivityNotFoundException e) { - // No compatible file manager was found. - Toast.makeText(activity, R.string.noFilemanagerInstalled, Toast.LENGTH_SHORT).show(); - } - } - - /** - * Reads html files from /res/raw/example.html to output them as string. See - * http://www.monocube.com/2011/02/08/android-tutorial-html-file-in-webview/ - * - * @param context - * current context - * @param resourceID - * of html file to read - * @return content of html file with formatting - */ - public static String readContentFromResource(Context context, int resourceID) { - InputStream raw = context.getResources().openRawResource(resourceID); - ByteArrayOutputStream stream = new ByteArrayOutputStream(); - int i; - try { - i = raw.read(); - while (i != -1) { - stream.write(i); - i = raw.read(); - } - raw.close(); - } catch (IOException e) { - e.printStackTrace(); - } - return stream.toString(); - } - - /** - * Return the number if days between two dates - * - * @param first - * @param second - * @return number of days - */ - public static long getNumDaysBetween(GregorianCalendar first, GregorianCalendar second) { - GregorianCalendar tmp = new GregorianCalendar(); - tmp.setTime(first.getTime()); - long numDays = (second.getTimeInMillis() - first.getTimeInMillis()) / 1000 / 86400; - tmp.add(Calendar.DAY_OF_MONTH, (int) numDays); - while (tmp.before(second)) { - tmp.add(Calendar.DAY_OF_MONTH, 1); - ++numDays; - } - return numDays; - } - - /** - * Converts Vector<PGPSecretKey> to a byte[] array to send it by intent to service - * - * @param keys - * @return - */ - public static byte[] PGPSecretKeyListToBytes(Vector<PGPSecretKey> keys) { - ByteArrayOutputStream os = new ByteArrayOutputStream(); - for (PGPSecretKey key : keys) { - try { - key.encode(os); - } catch (IOException e) { - Log.e(Constants.TAG, - "Error while converting PGPSecretKey to byte[]: " + e.getMessage()); - e.printStackTrace(); - } - } - - byte[] keysBytes = os.toByteArray(); - - return keysBytes; - } - - /** - * Convert from byte[] to ArrayList<PGPSecretKey> - * - * @param keysBytes - * @return - */ - public static PGPSecretKeyRing BytesToPGPSecretKeyRing(byte[] keysBytes) { - PGPObjectFactory factory = new PGPObjectFactory(keysBytes); - PGPSecretKeyRing keyRing = null; - try { - if ((keyRing = (PGPSecretKeyRing) factory.nextObject()) == null) { - Log.e(Constants.TAG, "No keys given!"); - } - } catch (IOException e) { - e.printStackTrace(); - } - - return keyRing; - } - - public static ArrayList<PGPSecretKey> BytesToPGPSecretKeyList(byte[] keysBytes) { - PGPSecretKeyRing keyRing = BytesToPGPSecretKeyRing(keysBytes); - ArrayList<PGPSecretKey> keys = new ArrayList<PGPSecretKey>(); - - Iterator<PGPSecretKey> itr = keyRing.getSecretKeys(); - while (itr.hasNext()) { - keys.add(itr.next()); - } - - return keys; - } - - public static PGPSecretKey BytesToPGPSecretKey(byte[] keyBytes) { - PGPSecretKey key = BytesToPGPSecretKeyList(keyBytes).get(0); - - return key; - } - - public static byte[] PGPSecretKeyToBytes(PGPSecretKey key) { - try { - return key.getEncoded(); - } catch (IOException e) { - Log.e(Constants.TAG, "Encoding failed: ", e); - - return null; - } - } - - public static byte[] PGPSecretKeyRingToBytes(PGPSecretKeyRing keyRing) { - try { - return keyRing.getEncoded(); - } catch (IOException e) { - Log.e(Constants.TAG, "Encoding failed: ", e); - - return null; - } - } - -} |