CustomBooleanEditor may run into NPE when configured with allowEmpty=false [SPR-13010]

[spring-projects-issues]

Juergen Hoeller opened SPR-13010 and commented

Due to the inverted equals comparisons for custom trueString and falseString values, the code will run into NPEs when encountering a null input value (in case of allowEmpty=false.

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Affects: 3.2.13, 4.1.6

Backported to: 3.2.14