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Java language level syntactic sugaring #249

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spannm
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@spannm spannm commented Jan 26, 2024

Non-functional change - make use of new Java language features available up to Java 17 LTS

  • Use String.repeat()
  • Replace statements with enhanced switch
  • Use pattern variable
  • Convert to enhanced for-loop
  • Prefer StringBuilder over StringBuffer
  • Remove unnecessary boxing/unboxing
  • Use Objects.equals() rather than equals() expression
  • Replace explicit types by diamond operator
  • Use lambdas for anonymous types
  • Use Comparator combinator
  • Introduce method references for lambdas
  • Change statement to expression lambdas
  • Check for null using method call

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@hypfvieh hypfvieh left a comment

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Please review the 2 marked files. Rest looks good

@@ -137,7 +138,7 @@ public static <T extends Struct> T createStructFromVariant(Variant<?> _variant,
}

if (_variant.getType() instanceof DBusStructType && _variant.getValue() instanceof Object[]) {
Class<?>[] argTypes = Arrays.stream((Object[]) _variant.getValue()).map(Object::getClass).toArray(size -> new Class<?>[size]);
Class<?>[] argTypes = Arrays.stream((Object[]) _variant.getValue()).map(Object::getClass).toArray((IntFunction<Class<?>[]>) Class[]::new);
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This can be simplified to Class<?>[] argTypes = Arrays.stream((Object[]) _variant.getValue()).map(Object::getClass).toArray(Class<?>[]::new);

Non-functional change - make use of new Java language features available up to Java 17 LTS

- Use String.repeat()
- Replace statements with enhanced switch
- Use pattern variable
- Convert to enhanced for-loop
- Prefer StringBuilder over StringBuffer
- Remove unnecessary boxing/unboxing
- Use Objects.equals() rather than equals() expression
- Replace explicit types by diamond operator
- Use lambdas for anonymous types
- Use Comparator combinator
- Introduce method references for lambdas
- Change statement to expression lambdas
- Check for null using method call
@spannm spannm force-pushed the dbus-java-lang-lvl-syntactic-sugaring branch from 954b11a to f5937d2 Compare January 30, 2024 07:36
@hypfvieh hypfvieh merged commit bebdc55 into hypfvieh:master Jan 30, 2024
2 of 3 checks passed
@spannm spannm deleted the dbus-java-lang-lvl-syntactic-sugaring branch January 30, 2024 08:03
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2 participants