writeEagerUTF8String() — netty Function Reference

Architecture documentation for the writeEagerUTF8String() function in MqttEncoder.java from the netty codebase.

Function java Buffer Allocators calls 1 called by 1

Entity Profile

Buffer→ Allocators→ writeEagerUTF8String() — netty Function Reference

Dependency Diagram

graph TD
  f74bb6b2_2564_0b6f_d854_438c7e723c1a["writeEagerUTF8String()"]
  13c11c97_f8b9_b829_dd75_63846e7fcd55["MqttEncoder"]
  f74bb6b2_2564_0b6f_d854_438c7e723c1a -->|defined in| 13c11c97_f8b9_b829_dd75_63846e7fcd55
  a7b9925d_5111_9e2c_2e13_04e1c42819fc["ByteBuf()"]
  a7b9925d_5111_9e2c_2e13_04e1c42819fc -->|calls| f74bb6b2_2564_0b6f_d854_438c7e723c1a
  79dad782_f802_b810_8291_37a8e2fb6122["nullableMaxUtf8Bytes()"]
  f74bb6b2_2564_0b6f_d854_438c7e723c1a -->|calls| 79dad782_f802_b810_8291_37a8e2fb6122
  style f74bb6b2_2564_0b6f_d854_438c7e723c1a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttEncoder.java lines 742–750

    private static void writeEagerUTF8String(ByteBuf buf, String s) {
        final int maxUtf8Length = nullableMaxUtf8Bytes(s);
        buf.ensureWritable(maxUtf8Length + 2);
        final int writerIndex = buf.writerIndex();
        final int startUtf8String = writerIndex + 2;
        buf.writerIndex(startUtf8String);
        final int utf8Length = s != null? reserveAndWriteUtf8(buf, s, maxUtf8Length) : 0;
        buf.setShort(writerIndex, utf8Length);
    }