ByteBuf() — netty Function Reference

Architecture documentation for the ByteBuf() function in Base64.java from the netty codebase.

Function java CodecBase Serialization calls 3

Entity Profile

CodecBase→ Serialization→ ByteBuf() — netty Function Reference

Dependency Diagram

graph TD
  74bdbf8f_873e_a2b1_95c7_3ecf25a01412["ByteBuf()"]
  28e851bb_9265_53b6_adb0_c9cb3a05d218["Decoder"]
  74bdbf8f_873e_a2b1_95c7_3ecf25a01412 -->|defined in| 28e851bb_9265_53b6_adb0_c9cb3a05d218
  4f7736d1_ec07_0635_3a59_146a5d9a3f83["decodedBufferSize()"]
  74bdbf8f_873e_a2b1_95c7_3ecf25a01412 -->|calls| 4f7736d1_ec07_0635_3a59_146a5d9a3f83
  dbcef1d6_0b01_dce3_e545_ec8b64ccb15b["decodabet()"]
  74bdbf8f_873e_a2b1_95c7_3ecf25a01412 -->|calls| dbcef1d6_0b01_dce3_e545_ec8b64ccb15b
  ecb75b44_a34c_e912_2204_cd8b6698abcb["decode4to3()"]
  74bdbf8f_873e_a2b1_95c7_3ecf25a01412 -->|calls| ecb75b44_a34c_e912_2204_cd8b6698abcb
  style 74bdbf8f_873e_a2b1_95c7_3ecf25a01412 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-base/src/main/java/io/netty/handler/codec/base64/Base64.java lines 380–406

        ByteBuf decode(ByteBuf src, int off, int len, ByteBufAllocator allocator, Base64Dialect dialect) {
            dest = allocator.buffer(decodedBufferSize(len)).order(src.order()); // Upper limit on size of output

            decodabet = decodabet(dialect);
            try {
                src.forEachByte(off, len, this);

                // Padding missing, process additional bytes
                if (b4Posn == 1) {
                    throw new IllegalArgumentException(
                            "Invalid Base64 input, single remaining character implies incorrect length or padding");
                } else if (b4Posn == 2) {
                    b4[2] = EQUALS_SIGN;
                    b4[3] = EQUALS_SIGN;
                    outBuffPosn += decode4to3(b4, dest, outBuffPosn, decodabet);
                } else if (b4Posn == 3) {
                    b4[3] = EQUALS_SIGN;
                    outBuffPosn += decode4to3(b4, dest, outBuffPosn, decodabet);
                }

                return dest.slice(0, outBuffPosn);
            } catch (Throwable cause) {
                dest.release();
                PlatformDependent.throwException(cause);
                return null;
            }
        }