nonapi.io.github.classgraph.utils

Class VersionFinder

java.lang.Object

nonapi.io.github.classgraph.utils.VersionFinder

public final class VersionFinder
extends java.lang.Object

Finds the version number of ClassGraph, and the version of the JDK.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VersionFinder.OperatingSystem The operating system type.

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	JAVA_IS_EA_VERSION Java is EA release -- true for "11-ea", etc.
static int	JAVA_MAJOR_VERSION Java major version -- 7 for "1.7", 8 for "1.8.0_244", 9 for "9", 11 for "11-ea", etc.
static int	JAVA_MINOR_VERSION Java minor version -- 0 for "11.0.4"
static int	JAVA_SUB_VERSION Java minor version -- 4 for "11.0.4"
static java.lang.String	JAVA_VERSION Java version string.
static VersionFinder.OperatingSystem	OS The operating system type.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getProperty(java.lang.String propName) Get a system property (returning null if a SecurityException was thrown).
static java.lang.String	getProperty(java.lang.String propName, java.lang.String defaultVal) Get a system property (returning null if a SecurityException was thrown).
static java.lang.String	getVersion() Get the version number of ClassGraph.

Methods inherited from class java.lang.Object

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

Field Detail

OS

public static final VersionFinder.OperatingSystem OS

The operating system type.

JAVA_VERSION

public static final java.lang.String JAVA_VERSION

Java version string.

JAVA_MAJOR_VERSION

public static final int JAVA_MAJOR_VERSION

Java major version -- 7 for "1.7", 8 for "1.8.0_244", 9 for "9", 11 for "11-ea", etc.

JAVA_MINOR_VERSION

public static final int JAVA_MINOR_VERSION

Java minor version -- 0 for "11.0.4"

JAVA_SUB_VERSION

public static final int JAVA_SUB_VERSION

Java minor version -- 4 for "11.0.4"

JAVA_IS_EA_VERSION

public static final boolean JAVA_IS_EA_VERSION

Java is EA release -- true for "11-ea", etc.

Method Detail

getProperty

public static java.lang.String getProperty(java.lang.String propName)

Get a system property (returning null if a SecurityException was thrown).

Parameters:

propName - the property name

Returns:

the property value

getProperty

public static java.lang.String getProperty(java.lang.String propName,
                                           java.lang.String defaultVal)

Get a system property (returning null if a SecurityException was thrown).

Parameters:

propName - the property name

defaultVal - the default value for the property

Returns:

the property value, or the default if the property is not defined.

getVersion

public static java.lang.String getVersion()

Get the version number of ClassGraph.

Returns:

the version number of ClassGraph.