Home / Function/ containsUpperCase() — netty Function Reference

containsUpperCase() — netty Function Reference

Architecture documentation for the containsUpperCase() function in AsciiStringUtil.java from the netty codebase.

Function java CommonUtil Logging calls 2 called by 2

Entity Profile

Dependency Diagram

graph TD
  b1bfa746_05ac_cde4_0422_8b8d974c5698["containsUpperCase()"]
  84873396_ba4c_3002_b5f9_9b7743d03751["AsciiStringUtil"]
  b1bfa746_05ac_cde4_0422_8b8d974c5698 -->|defined in| 84873396_ba4c_3002_b5f9_9b7743d03751
  58ce1a46_a851_3cdb_7866_9d7058c6d7dc["AsciiString()"]
  58ce1a46_a851_3cdb_7866_9d7058c6d7dc -->|calls| b1bfa746_05ac_cde4_0422_8b8d974c5698
  631f21b0_b5b9_3bc9_4f06_5bec37499ba1["unrolledContainsUpperCase()"]
  631f21b0_b5b9_3bc9_4f06_5bec37499ba1 -->|calls| b1bfa746_05ac_cde4_0422_8b8d974c5698
  cc783f21_4dad_8ac3_503e_a4fdeaf2d428["linearContainsUpperCase()"]
  b1bfa746_05ac_cde4_0422_8b8d974c5698 -->|calls| cc783f21_4dad_8ac3_503e_a4fdeaf2d428
  631f21b0_b5b9_3bc9_4f06_5bec37499ba1["unrolledContainsUpperCase()"]
  b1bfa746_05ac_cde4_0422_8b8d974c5698 -->|calls| 631f21b0_b5b9_3bc9_4f06_5bec37499ba1
  style b1bfa746_05ac_cde4_0422_8b8d974c5698 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/AsciiStringUtil.java lines 44–58

    private static boolean containsUpperCase(final byte[] byteArray, int offset, final int length) {
        if (!PlatformDependent.isUnaligned()) {
            return linearContainsUpperCase(byteArray, offset, length);
        }

        final int longCount = length >>> 3;
        for (int i = 0; i < longCount; ++i) {
            final long word = PlatformDependent.getLong(byteArray, offset);
            if (SWARUtil.containsUpperCase(word)) {
                return true;
            }
            offset += Long.BYTES;
        }
        return unrolledContainsUpperCase(byteArray, offset, length & 7);
    }

Domain

Subdomains

Frequently Asked Questions

What does containsUpperCase() do?
containsUpperCase() is a function in the netty codebase, defined in common/src/main/java/io/netty/util/AsciiStringUtil.java.
Where is containsUpperCase() defined?
containsUpperCase() is defined in common/src/main/java/io/netty/util/AsciiStringUtil.java at line 44.
What does containsUpperCase() call?
containsUpperCase() calls 2 function(s): linearContainsUpperCase, unrolledContainsUpperCase.
What calls containsUpperCase()?
containsUpperCase() is called by 2 function(s): AsciiString, unrolledContainsUpperCase.

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