Class VersionFinder

java.lang.Object

nonapi.io.github.classgraph.utils.VersionFinder

public final class VersionFinder
extends Object

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

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field	Description
static final boolean	JAVA_IS_EA_VERSION	Java is EA release -- true for "11-ea", etc.
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.
static final int	JAVA_MINOR_VERSION	Java minor version -- 0 for "11.0.4"
static final int	JAVA_SUB_VERSION	Java minor version -- 4 for "11.0.4"
static final String	JAVA_VERSION	Java version string.
static final VersionFinder.OperatingSystem	OS	The operating system type.

Method Summary

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

Methods inherited from class Object

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

Field Details

OS

public static final VersionFinder.OperatingSystem OS

The operating system type.

JAVA_VERSION

public static final 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 Details

getProperty

public static String getProperty(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 String getProperty(String propName,
 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 String getVersion()

Get the version number of ClassGraph.

Returns:

the version number of ClassGraph.