Add qodana CI checks

[qodana-cloud]

Adds qodana.yaml and GitHub workflow file that runs Qodana static analysis on each pull request.

[github-actions]

Qodana for JVM

333 new problems were found

Inspection name	Severity	Problems
Nullability and data flow problems	🔶 Warning	106
Unused import	🔶 Warning	45
Deprecated API usage	🔶 Warning	21
Inner class may be 'static'	🔶 Warning	21
Field may be 'final'	🔶 Warning	13
'size() == 0' can be replaced with 'isEmpty()'	🔶 Warning	10
Call to 'printStackTrace()'	🔶 Warning	10
Constant values	🔶 Warning	9
Unused assignment	🔶 Warning	7
AutoCloseable used without 'try'-with-resources	🔶 Warning	5
Field can be local variable	🔶 Warning	4
Concatenation with empty string	🔶 Warning	4
'String.equals()' can be replaced with 'String.isEmpty()'	🔶 Warning	3
Unnecessary modifier	🔶 Warning	3
Result of method call ignored	🔶 Warning	2
@NotNull/@Nullable problems	🔶 Warning	2
String comparison using '==', instead of 'equals()'	🔶 Warning	2
Unnecessary Unicode escape sequence	🔶 Warning	2
Wrapper type may be primitive	🔶 Warning	2
Busy wait	🔶 Warning	1
Deprecated member is still used	🔶 Warning	1
Functional expression can be folded	🔶 Warning	1
Magic constant	🔶 Warning	1
Malformed format string	🔶 Warning	1
Mismatched query and update of collection	🔶 Warning	1
Method is identical to its super method	🔶 Warning	1
Stream API call chain can be simplified	🔶 Warning	1
Suspicious collection method call	🔶 Warning	1
Call to 'System.getProperty(str)' could be simplified	🔶 Warning	1
Unchecked warning	🔶 Warning	1
Unnecessary 'return' statement	🔶 Warning	1
Non-constant string concatenation as argument to logging call	◽️ Notice	29
Non-distinguishable logging calls	◽️ Notice	16
Commented out code	◽️ Notice	4
Method can be extracted	◽️ Notice	1

☁️ View the detailed Qodana report

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