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regionMatches() — netty Function Reference

Architecture documentation for the regionMatches() function in AsciiString.java from the netty codebase.

Function java CommonUtil Logging calls 7 called by 4

Entity Profile

Dependency Diagram

graph TD
  75d97956_7df9_5d75_913f_f87ea4ad5085["regionMatches()"]
  a41de6d4_fd08_8a12_95fd_35db12fdb4cc["AsciiString"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|defined in| a41de6d4_fd08_8a12_95fd_35db12fdb4cc
  9f9f7a6d_f9ba_d263_f9ec_8dedb5cf855b["endsWith()"]
  9f9f7a6d_f9ba_d263_f9ec_8dedb5cf855b -->|calls| 75d97956_7df9_5d75_913f_f87ea4ad5085
  2c9792e6_0b78_a83d_23e2_0c00778fdbe2["startsWith()"]
  2c9792e6_0b78_a83d_23e2_0c00778fdbe2 -->|calls| 75d97956_7df9_5d75_913f_f87ea4ad5085
  bd440c99_4c19_2dbd_35e0_2686c07dfa2f["regionMatchesAscii()"]
  bd440c99_4c19_2dbd_35e0_2686c07dfa2f -->|calls| 75d97956_7df9_5d75_913f_f87ea4ad5085
  ca58bd74_10fb_66d2_08bd_60369006b021["indexOfIgnoreCase()"]
  ca58bd74_10fb_66d2_08bd_60369006b021 -->|calls| 75d97956_7df9_5d75_913f_f87ea4ad5085
  fb319f55_ebbc_4b58_3f44_4a89b340c1b2["length()"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|calls| fb319f55_ebbc_4b58_3f44_4a89b340c1b2
  563104d5_0779_8bf9_4289_ded808a3624b["arrayOffset()"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|calls| 563104d5_0779_8bf9_4289_ded808a3624b
  b0010533_e167_3ce3_bebe_5db3bfe5e02a["b2c()"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|calls| b0010533_e167_3ce3_bebe_5db3bfe5e02a
  84f2e848_a873_1bab_e97b_ddaa0dd1fdf9["charAt()"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|calls| 84f2e848_a873_1bab_e97b_ddaa0dd1fdf9
  5a9ed78d_0890_217e_ba59_a56f5862a872["equalsIgnoreCase()"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|calls| 5a9ed78d_0890_217e_ba59_a56f5862a872
  a5f74bee_8f39_ae4d_cb76_e1565aa342ca["regionMatchesCharSequences()"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|calls| a5f74bee_8f39_ae4d_cb76_e1565aa342ca
  874f6fd4_501b_9c3e_4688_18fa50202eac["equals()"]
  75d97956_7df9_5d75_913f_f87ea4ad5085 -->|calls| 874f6fd4_501b_9c3e_4688_18fa50202eac
  style 75d97956_7df9_5d75_913f_f87ea4ad5085 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/AsciiString.java lines 820–848

    public boolean regionMatches(int thisStart, CharSequence string, int start, int length) {
        ObjectUtil.checkNotNull(string, "string");

        if (start < 0 || string.length() - start < length) {
            return false;
        }

        final int thisLen = length();
        if (thisStart < 0 || thisLen - thisStart < length) {
            return false;
        }

        if (length <= 0) {
            return true;
        }

        if (string instanceof AsciiString) {
            final AsciiString asciiString = (AsciiString) string;
            return PlatformDependent.equals(value, thisStart + offset, asciiString.value,
                                            start + asciiString.offset, length);
        }
        final int thatEnd = start + length;
        for (int i = start, j = thisStart + arrayOffset(); i < thatEnd; i++, j++) {
            if (b2c(value[j]) != string.charAt(i)) {
                return false;
            }
        }
        return true;
    }

Domain

Subdomains

Defined In

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Called By

Source

Frequently Asked Questions

What does regionMatches() do?
regionMatches() is a function in the netty codebase, defined in common/src/main/java/io/netty/util/AsciiString.java.
Where is regionMatches() defined?
regionMatches() is defined in common/src/main/java/io/netty/util/AsciiString.java at line 820.
What does regionMatches() call?
regionMatches() calls 7 function(s): arrayOffset, b2c, charAt, equals, equalsIgnoreCase, length, regionMatchesCharSequences.
What calls regionMatches()?
regionMatches() is called by 4 function(s): endsWith, indexOfIgnoreCase, regionMatchesAscii, startsWith.

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