org.graalvm.home

Class HomeFinder

java.lang.Object

org.graalvm.home.HomeFinder

public abstract class HomeFinder
extends Object

A utility class to find various paths of the running GraalVM, as well as the version. Use HomeFinder.getInstance() to get the singleton instance.

Since:

19.3

Constructor Summary

Constructors

Constructor and Description
HomeFinder()

Method Summary

Modifier and Type	Method and Description
abstract Path	getHomeFolder()
static HomeFinder	getInstance()
abstract Map<String,Path>	getLanguageHomes()
abstract Map<String,Path>	getToolHomes()
abstract String	getVersion()

Methods inherited from class java.lang.Object

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

Constructor Detail

HomeFinder

public HomeFinder()

Since:

19.3

Method Detail

getHomeFolder

public abstract Path getHomeFolder()

Returns:

the GraalVM home folder if inside GraalVM or null otherwise.

Since:

19.3

getVersion

public abstract String getVersion()

Returns:

the GraalVM version or "snapshot" if unknown.

Since:

19.3

getLanguageHomes

public abstract Map<String,Path> getLanguageHomes()

Returns:

a Map of language ids to their home path.

Since:

19.3

getToolHomes

public abstract Map<String,Path> getToolHomes()

Returns:

a Map of tool ids to their home path.

Since:

19.3

getInstance

public static HomeFinder getInstance()

Returns:

the HomeFinder instance by using a ServiceLoader.

Throws:

IllegalStateException - if no implementation could be found.

Since:

19.3