encodeLiteral() — netty Function Reference

Architecture documentation for the encodeLiteral() function in HpackEncoder.java from the netty codebase.

Function java Buffer Allocators calls 2 called by 2

Entity Profile

Buffer→ Allocators→ encodeLiteral() — netty Function Reference

Dependency Diagram

graph TD
  23158887_3faf_9358_cf8e_ccef0456523f["encodeLiteral()"]
  616b4418_6852_a9a9_188d_063a8768b35a["HpackEncoder"]
  23158887_3faf_9358_cf8e_ccef0456523f -->|defined in| 616b4418_6852_a9a9_188d_063a8768b35a
  d416f498_d09b_3bf6_6f3c_bec7a647a54f["encodeHeader()"]
  d416f498_d09b_3bf6_6f3c_bec7a647a54f -->|calls| 23158887_3faf_9358_cf8e_ccef0456523f
  67aada40_9838_0523_a316_eceb773154ab["encodeAndAddEntries()"]
  67aada40_9838_0523_a316_eceb773154ab -->|calls| 23158887_3faf_9358_cf8e_ccef0456523f
  ff646124_1e6a_47c4_ccf7_8d4b7525d870["encodeInteger()"]
  23158887_3faf_9358_cf8e_ccef0456523f -->|calls| ff646124_1e6a_47c4_ccf7_8d4b7525d870
  772d7221_f578_9e4a_8e58_b93602d19372["encodeStringLiteral()"]
  23158887_3faf_9358_cf8e_ccef0456523f -->|calls| 772d7221_f578_9e4a_8e58_b93602d19372
  style 23158887_3faf_9358_cf8e_ccef0456523f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/HpackEncoder.java lines 318–338

    private void encodeLiteral(ByteBuf out, CharSequence name, CharSequence value, IndexType indexType,
                               int nameIndex) {
        boolean nameIndexValid = nameIndex != NOT_FOUND;
        switch (indexType) {
            case INCREMENTAL:
                encodeInteger(out, 0x40, 6, nameIndexValid ? nameIndex : 0);
                break;
            case NONE:
                encodeInteger(out, 0x00, 4, nameIndexValid ? nameIndex : 0);
                break;
            case NEVER:
                encodeInteger(out, 0x10, 4, nameIndexValid ? nameIndex : 0);
                break;
            default:
                throw new Error("Unexpected index type: " + indexType);
        }
        if (!nameIndexValid) {
            encodeStringLiteral(out, name);
        }
        encodeStringLiteral(out, value);
    }