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Improvement of CharacterEditor.setAsText() and setAsUnicode() [SPR-12386] #16994

spring-projects-issues opened this issue Oct 28, 2014 · 2 comments
in: core type: enhancement


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@spring-projects-issues spring-projects-issues commented Oct 28, 2014

Kang Baek-Kyu opened SPR-12386 and commented

The java.lang.Character.valueOf(char c) returns a Character instance representing the specified char value. If a new Character instance is not required, this method should generally be used in preference to the constructor Character(char), as this method is likely to yield significantly better space and time performance by caching frequently requested values.

This method will always cache values in the range '\u0000' to '\u007F', inclusive, and may cache other values outside of this range.

So I changed source like this

setValue(new Character(text.charAt(0)));
-> setValue(Character.valueOf(text.charAt(0)));

setValue(new Character((char)code));
-> setValue(Character.valueOf((char) code));

Affects: 4.1.1

Reference URL: #683

Referenced from: commits 1e9ab53

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@spring-projects-issues spring-projects-issues commented Oct 28, 2014

Juergen Hoeller commented

Good catch! I've applied this as part of a general CharacterEditor revision.


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@spring-projects-issues spring-projects-issues commented Oct 28, 2014

Kang Baek-Kyu commented

Thanks Juergen!

@spring-projects-issues spring-projects-issues added type: enhancement in: core labels Jan 11, 2019
@spring-projects-issues spring-projects-issues added this to the 4.1.2 milestone Jan 11, 2019
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