Package org.junit.platform.commons.util

Class ModuleUtils

java.lang.Object

org.junit.platform.commons.util.ModuleUtils

@API(status=INTERNAL,
     since="1.1")
public class ModuleUtils
extends Object

Collection of utilities for working with java.lang.Module and friends.

DISCLAIMER

These utilities are intended solely for usage within the JUnit framework itself. Any usage by external parties is not supported. Use at your own risk!

Since:

1.1

Field Summary

Fields

Modifier and Type	Field	Description
static String	VERSION	Version hint is set to "base" here.

Constructor Summary

Constructors

Constructor	Description
ModuleUtils()

Method Summary

Modifier and Type	Method	Description
static List<Class<?>>	findAllClassesInModule(String moduleName, ClassFilter filter)	Find all classes for the given module name.
static Set<String>	findAllNonSystemBootModuleNames()	Find all non-system boot modules names.
static Optional<String>	getModuleName(Class<?> type)	Return the name of the module that the class or interface is a member of.
static Optional<String>	getModuleVersion(Class<?> type)	Return the raw version of the module that the class or interface is a member of.
static boolean	isJavaPlatformModuleSystemAvailable()	Determine if the current Java runtime supports the Java Platform Module System.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

VERSION

public static final String VERSION

Version hint is set to "base" here.

See Also:

Constant Field Values

Constructor Detail

ModuleUtils

public ModuleUtils()

Method Detail

findAllNonSystemBootModuleNames

public static Set<String> findAllNonSystemBootModuleNames()

Find all non-system boot modules names.

Returns:

a set of all such module names; never null but potentially empty

isJavaPlatformModuleSystemAvailable

public static boolean isJavaPlatformModuleSystemAvailable()

Determine if the current Java runtime supports the Java Platform Module System.

Returns:

true if the Java Platform Module System is available, otherwise false

getModuleName

public static Optional<String> getModuleName(Class<?> type)

Return the name of the module that the class or interface is a member of.

Parameters:

type - class or interface to analyze

Returns:

the module name; never null but potentially empty

getModuleVersion

public static Optional<String> getModuleVersion(Class<?> type)

Return the raw version of the module that the class or interface is a member of.

Parameters:

type - class or interface to analyze

Returns:

the raw module version; never null but potentially empty

findAllClassesInModule

public static List<Class<?>> findAllClassesInModule(String moduleName,
                                                    ClassFilter filter)

Find all classes for the given module name.

Parameters:

moduleName - name of the module to scan

filter - class filter to apply

Returns:

an immutable list of all such classes found; never null but potentially empty