dorkbox/Utilities
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This commit is contained in:
nathan 2017-03-10 17:02:54 +01:00
parent ef0cfe2f2e
commit 311fad500d
1 changed files with 13 additions and 18 deletions
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31
src/dorkbox/util/Sys.java
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@ -50,13 +50,13 @@ class Sys {
public static
void eraseString(String string) {
// You can change the value of the inner char[] using reflection.
//
// You must be careful to either change it with an array of the same length,
// or to also update the count field.
//
// If you want to be able to use it as an entry in a set or as a value in map,
// you will need to recalculate the hash code and set the value of the hashCode field.
// You can change the value of the inner char[] using reflection.
//
// You must be careful to either change it with an array of the same length,
// or to also update the count field.
//
// If you want to be able to use it as an entry in a set or as a value in map,
// you will need to recalculate the hash code and set the value of the hashCode field.
//noinspection TryWithIdenticalCatches
try {
@ -94,19 +94,14 @@ class Sys {
/**
* FROM: https://www.cqse.eu/en/blog/string-replace-performance/
* <p/>
* Replaces all occurrences of keys of the given map in the given string
* with the associated value in that map.
* Replaces all occurrences of keys of the given map in the given string with the associated value in that map.
* <p/>
* This method is semantically the same as calling
* {@link String#replace(CharSequence, CharSequence)} for each of the
* entries in the map, but may be significantly faster for many replacements
* performed on a short string, since
* {@link String#replace(CharSequence, CharSequence)} uses regular
* expressions internally and results in many String object allocations when
* applied iteratively.
* This method is semantically the same as calling {@link String#replace(CharSequence, CharSequence)} for each of the
* entries in the map, but may be significantly faster for many replacements performed on a short string, since
* {@link String#replace(CharSequence, CharSequence)} uses regular expressions internally and results in many String
* object allocations when applied iteratively.
* <p/>
* The order in which replacements are applied depends on the order of the
* map's entry set.
* The order in which replacements are applied depends on the order of the map's entry set.
*/
public static
String replaceStringFast(String string, Map<String, String> replacements) {