Spring Framework 6.1.4 · org.springframework.core.StandardReflectionParameterNameDiscoverer

ParameterNameDiscoverer implementation which uses JDK 8's reflection facilities for introspecting parameter names (based on the "-parameters" compiler flag).

This is a key element of DefaultParameterNameDiscoverer where it is being combined with KotlinReflectionParameterNameDiscoverer if Kotlin is present.

Constructor Summary

Access	Constructor and Description
public	StandardReflectionParameterNameDiscoverer()

Method Summary

Modifier and Type	Method and Description
public String[]	getParameterNames(Method the method to find parameter names for method) Implements org.springframework.core.ParameterNameDiscoverer.getParameterNames. Return parameter names for a method, or `null` if they cannot be determined.
public String[]	getParameterNames(Constructor<?> the constructor to find parameter names for ctor) Implements org.springframework.core.ParameterNameDiscoverer.getParameterNames. Return parameter names for a constructor, or `null` if they cannot be determined.
private String[]	getParameterNames(Parameter[] parameters)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

StandardReflectionParameterNameDiscoverer	back to summary
public StandardReflectionParameterNameDiscoverer()

Method Detail

getParameterNames back to summary

getParameterNames	back to summary
public String[] getParameterNames(Method method) Implements org.springframework.core.ParameterNameDiscoverer.getParameterNames. Doc from org.springframework.core.ParameterNameDiscoverer.getParameterNames. Return parameter names for a method, or `null` if they cannot be determined. Individual entries in the array may be `null` if parameter names are only available for some parameters of the given method but not for others. However, it is recommended to use stub parameter names instead wherever feasible. Parameters method:Method the method to find parameter names for Returns:String[] an array of parameter names if the names can be resolved, or `null` if they cannot Annotations @Override @Nullable

public String[] getParameterNames(Method method)

Implements org.springframework.core.ParameterNameDiscoverer.getParameterNames.

Doc from org.springframework.core.ParameterNameDiscoverer.getParameterNames.

Return parameter names for a method, or null if they cannot be determined.

Individual entries in the array may be null if parameter names are only available for some parameters of the given method but not for others. However, it is recommended to use stub parameter names instead wherever feasible.

Parameters

method:Method: the method to find parameter names for

Returns:String[]

an array of parameter names if the names can be resolved, or null if they cannot

Annotations

@Override
@Nullable