Fix case-insensitive rank name matching in format lookup #200
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Summary of ChangesHello @vLuckyyy, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces a significant improvement to how chat formats are retrieved based on a player's rank. By implementing case-insensitive matching for rank names, it makes the system more robust and user-friendly, preventing issues that could arise from inconsistent casing in rank configurations. The change primarily involves modifying the format lookup logic and updating relevant documentation. Highlights
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Code Review
This pull request correctly implements case-insensitive matching for rank formats, which is a good improvement. However, the current implementation introduces a performance issue by iterating through all formats for every chat message. I've provided a suggestion to optimize this by using a cached, case-insensitive map for lookups, which restores efficient lookups for format retrieval.
| public String getRawFormat(String rank) { | ||
| return this.format.getOrDefault(rank, this.defaultFormat); | ||
| if (rank == null) { | ||
| return this.defaultFormat; | ||
| } | ||
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| String normalizedRank = rank.toLowerCase(); | ||
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| for (Map.Entry<String, String> entry : this.format.entrySet()) { | ||
| if (entry.getKey().toLowerCase().equals(normalizedRank)) { | ||
| return entry.getValue(); | ||
| } | ||
| } | ||
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| return this.defaultFormat; | ||
| } |
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This implementation correctly provides case-insensitive matching, but it introduces a performance regression. The getRawFormat method now iterates through all configured formats for every call, resulting in an O(N) complexity. Since this method is likely called for every chat message, this can impact server performance.
A more efficient approach is to use a case-insensitive map for lookups. You can create a cached map that is built once and then reused for fast lookups.
First, add a transient field for the cache to the PluginConfig class:
private transient java.util.Map<String, String> lowerCaseFormatCache;Then, update getRawFormat to use this lazy-initialized cache. This will build the cache on the first call and provide fast lookups for all subsequent calls.
Note: If your plugin supports configuration hot-reloading, ensure you invalidate this cache (by setting lowerCaseFormatCache = null;) when the configuration is reloaded to prevent serving stale data.
public String getRawFormat(String rank) {
if (this.lowerCaseFormatCache == null) {
this.lowerCaseFormatCache = new java.util.TreeMap<>(String.CASE_INSENSITIVE_ORDER);
this.lowerCaseFormatCache.putAll(this.format);
}
if (rank == null) {
return this.defaultFormat;
}
return this.lowerCaseFormatCache.getOrDefault(rank, this.defaultFormat);
}
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