53 lines
1.8 KiB
Java
53 lines
1.8 KiB
Java
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package android.util;
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import java.nio.charset.StandardCharsets;
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/**
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* JVM test implementation of android.util.Base64 using java.util.Base64.
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* Enables running Android SRP cryptographic tests on standard desktop JVM.
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*/
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public class Base64 {
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public static final int DEFAULT = 0;
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public static final int NO_PADDING = 1;
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public static final int NO_WRAP = 2;
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public static final int CRLF = 4;
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public static final int URL_SAFE = 8;
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public static final int NO_CLOSE = 16;
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public static String encodeToString(byte[] input, int flags) {
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return encodeToString(input, 0, input.length, flags);
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}
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public static String encodeToString(byte[] input, int offset, int len, int flags) {
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byte[] slice;
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if (offset == 0 && len == input.length) {
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slice = input;
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} else {
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slice = new byte[len];
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System.arraycopy(input, offset, slice, 0, len);
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}
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java.util.Base64.Encoder encoder = ((flags & URL_SAFE) != 0)
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? java.util.Base64.getUrlEncoder()
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: java.util.Base64.getEncoder();
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if ((flags & NO_PADDING) != 0) {
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encoder = encoder.withoutPadding();
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}
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return encoder.encodeToString(slice);
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}
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public static byte[] encode(byte[] input, int flags) {
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return encodeToString(input, flags).getBytes(StandardCharsets.UTF_8);
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}
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public static byte[] decode(String str, int flags) {
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java.util.Base64.Decoder decoder = ((flags & URL_SAFE) != 0)
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? java.util.Base64.getUrlDecoder()
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: java.util.Base64.getDecoder();
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return decoder.decode(str);
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}
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public static byte[] decode(byte[] input, int flags) {
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return decode(new String(input, StandardCharsets.UTF_8), flags);
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}
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}
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