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SEC-223: Improve hashCode() performance.

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This commit is contained in:
Ben Alex 2006-04-26 01:31:17 +00:00
parent 57aee4e605
commit 36c096858d
1 changed files with 6 additions and 4 deletions
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8
core/src/main/java/org/acegisecurity/providers/AbstractAuthenticationToken.java
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@ -147,9 +147,11 @@ public abstract class AbstractAuthenticationToken implements Authentication {
public int hashCode() { public int hashCode() {
int code = 31; int code = 31;
if (this.getAuthorities() != null) { // Copy authorities to local variable for performance (SEC-223)
for (int i = 0; i < this.getAuthorities().length; i++) { GrantedAuthority[] authorities = this.getAuthorities();
code ^= this.getAuthorities()[i].hashCode(); if (authorities != null) {
for (int i = 0; i < authorities.length; i++) {
code ^= authorities[i].hashCode();
} }
} }