001/** 002 * 003 * Copyright © 2014-2019 Florian Schmaus 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smack.util.stringencoder.android; 018 019import android.util.Base64; 020 021/** 022 * A Base 64 encoding implementation based on android.util.Base64. 023 * @author Florian Schmaus 024 */ 025public final class AndroidBase64Encoder implements org.jivesoftware.smack.util.stringencoder.Base64.Encoder { 026 027 private static AndroidBase64Encoder instance = new AndroidBase64Encoder(); 028 029 private static final int BASE64_ENCODER_FLAGS = Base64.NO_WRAP; 030 031 private AndroidBase64Encoder() { 032 // Use getInstance() 033 } 034 035 public static AndroidBase64Encoder getInstance() { 036 return instance; 037 } 038 039 @Override 040 public byte[] decode(String string) { 041 return Base64.decode(string, Base64.DEFAULT); 042 } 043 044 @Override 045 public String encodeToString(byte[] input) { 046 return Base64.encodeToString(input, BASE64_ENCODER_FLAGS); 047 } 048 049 @Override 050 public String encodeToStringWithoutPadding(byte[] input) { 051 return Base64.encodeToString(input, BASE64_ENCODER_FLAGS | Base64.NO_PADDING); 052 } 053 054 @Override 055 public byte[] encode(byte[] input) { 056 return Base64.encode(input, BASE64_ENCODER_FLAGS); 057 } 058}