expand() — netty Function Reference

Architecture documentation for the expand() function in AppendableCharSequence.java from the netty codebase.

Function java CommonUtil Internal called by 1

Entity Profile

CommonUtil→ Internal→ expand() — netty Function Reference

Dependency Diagram

graph TD
  d40dd526_f036_5cfa_1553_62b2628e159d["expand()"]
  3c45deb3_208f_6378_979e_2c2209776324["AppendableCharSequence"]
  d40dd526_f036_5cfa_1553_62b2628e159d -->|defined in| 3c45deb3_208f_6378_979e_2c2209776324
  49c064f7_8d1d_a660_a31e_56a0797dca17["AppendableCharSequence()"]
  49c064f7_8d1d_a660_a31e_56a0797dca17 -->|calls| d40dd526_f036_5cfa_1553_62b2628e159d
  style d40dd526_f036_5cfa_1553_62b2628e159d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/AppendableCharSequence.java lines 153–169

    private static char[] expand(char[] array, int neededSpace, int size) {
        int newCapacity = array.length;
        do {
            // double capacity until it is big enough
            newCapacity <<= 1;

            if (newCapacity < 0) {
                throw new IllegalStateException();
            }

        } while (neededSpace > newCapacity);

        char[] newArray = new char[newCapacity];
        System.arraycopy(array, 0, newArray, 0, size);

        return newArray;
    }