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 java.lang.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 and Description
private static Logger	logger

Constructor Summary

Constructors

Constructor and Description
ModuleUtils()

Method Summary

Modifier and Type	Method and Description
static java.util.List<java.lang.Class<?>>	findAllClassesInModule(java.lang.String moduleName, ClassFilter filter) Find all classes for the given module name.
static java.util.Set<java.lang.String>	findAllNonSystemBootModuleNames() Find all non-system boot modules names.
static java.util.Optional<java.lang.String>	getModuleName(java.lang.Class<?> type) Return the name of the module that the class or interface is a member of.
static java.util.Optional<java.lang.String>	getModuleVersion(java.lang.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

logger

private static final Logger logger

Constructor Detail

ModuleUtils

public ModuleUtils()

Method Detail

findAllNonSystemBootModuleNames

public static java.util.Set<java.lang.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 java.util.Optional<java.lang.String> getModuleName(java.lang.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 java.util.Optional<java.lang.String> getModuleVersion(java.lang.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 java.util.List<java.lang.Class<?>> findAllClassesInModule(java.lang.String moduleName,
                                                                        ClassFilter filter)

Find all classes for the given module name.

Parameters:

moduleName - the name of the module to scan; never null or empty

filter - the class filter to apply; never null

Returns:

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