com.thoughtworks.paranamer
Interface Paranamer

All Known Implementing Classes:

AdaptiveParanamer, AnnotationParanamer, BytecodeReadingParanamer, CachingParanamer, DefaultParanamer, JavadocParanamer, NullParanamer

public interface Paranamer

Paranamer allows lookups of methods and constructors by parameter names.

Author:

Paul Hammant, Mauro Talevi

Field Summary

static String[]

EMPTY_NAMES

Method Summary

String[]	lookupParameterNames(AccessibleObject methodOrConstructor) Lookup the parameter names of a given method.
String[]	lookupParameterNames(AccessibleObject methodOrConstructor, boolean throwExceptionIfMissing) Lookup the parameter names of a given method.

Field Detail

EMPTY_NAMES

static final String[] EMPTY_NAMES

Method Detail

lookupParameterNames

String[] lookupParameterNames(AccessibleObject methodOrConstructor)

Lookup the parameter names of a given method.

Parameters:

methodOrConstructor - the Method or Constructor for which the parameter names are looked up.

Returns:

A list of the parameter names.

Throws:

ParameterNamesNotFoundException - if no parameter names were found.

NullPointerException - if the parameter is null.

SecurityException - if reflection is not permitted on the containing Class of the parameter

lookupParameterNames

String[] lookupParameterNames(AccessibleObject methodOrConstructor,
                              boolean throwExceptionIfMissing)

Lookup the parameter names of a given method.

Parameters:

methodOrConstructor - the Method or Constructor for which the parameter names are looked up.

throwExceptionIfMissing - whether to throw an exception if no Paranamer data found (versus return null).

Returns:

A list of the parameter names.

Throws:

ParameterNamesNotFoundException - if no parameter names were found.

NullPointerException - if the parameter is null.

SecurityException - if reflection is not permitted on the containing Class of the parameter