garydgregory commented on a change in pull request #120:
URL: https://github.com/apache/commons-io/pull/120#discussion_r438360990
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File path: src/main/java/org/apache/commons/io/Charsets.java
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@@ -71,16 +83,8 @@
* @see Charset#availableCharsets()
* @since 2.5
*/
- public static SortedMap<String, Charset> requiredCharsets() {
- // maybe cache?
- final TreeMap<String, Charset> m = new
TreeMap<>(String.CASE_INSENSITIVE_ORDER);
- m.put(StandardCharsets.ISO_8859_1.name(), StandardCharsets.ISO_8859_1);
- m.put(StandardCharsets.US_ASCII.name(), StandardCharsets.US_ASCII);
- m.put(StandardCharsets.UTF_16.name(), StandardCharsets.UTF_16);
- m.put(StandardCharsets.UTF_16BE.name(), StandardCharsets.UTF_16BE);
- m.put(StandardCharsets.UTF_16LE.name(), StandardCharsets.UTF_16LE);
- m.put(StandardCharsets.UTF_8.name(), StandardCharsets.UTF_8);
- return Collections.unmodifiableSortedMap(m);
+ public static Map<String, Charset> requiredCharsets() {
+ return Collections.unmodifiableSortedMap(REQUIRED_CHARSETS);
Review comment:
Is there a reason why `REQUIRED_CHARSETS` is modifiable but not the
value returned by this method?
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