Class ScalaLoaderUtils

java.lang.Object

xyz.janboerman.scalaloader.util.ScalaLoaderUtils

public final class ScalaLoaderUtils
extends Object

Internal use only.

Method Summary

Modifier and Type	Method	Description
static <P extends IScalaPlugin> P	createScalaPluginInstance(Class<P> clazz)	Tries to get the plugin instance from the scala plugin class.
static void	downloadFile(URL inputResourceLocation, File outputFile)	Deprecated. Use downloadFile(URL, File, String) instead.
static void	downloadFile(URL inputResourceLocation, File outputFile, String sha1hash)
static <ScalaLoader extends JavaPlugin & IScalaLoader> void	initBStats(ScalaLoader scalaLoader)
static <ScalaLoader extends JavaPlugin & IScalaLoader> void	initConfiguration(ScalaLoader scalaLoader)
static <Super, Type extends Super> Type	instantiate(Class<Type> clazz)	Tries to obtain an instance of the given class either by using an `object`'s singleton instance, or by calling the public no-args constructor.
static ScalaLibraryClassLoader	loadOrGetScalaVersion(Map<String, ScalaLibraryClassLoader> scalaLibraryClassLoaders, PluginScalaVersion scalaVersion, boolean download, IScalaLoader scalaLoader)	Get a (fresh or cached) ScalaLibraryClassLoader that loads standard library classes from a specific Scala version.

Methods inherited from class Object

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

Method Details

initConfiguration

public static <ScalaLoader extends JavaPlugin & IScalaLoader>
void initConfiguration(ScalaLoader scalaLoader)

initBStats

public static <ScalaLoader extends JavaPlugin & IScalaLoader>
void initBStats(ScalaLoader scalaLoader)

instantiate

public static <Super, Type extends Super> Type instantiate(Class<Type> clazz)
                                                    throws IllegalAccessException,
InvocationTargetException,
NoSuchMethodException,
InstantiationException

Tries to obtain an instance of the given class either by using an `object`'s singleton instance, or by calling the public no-args constructor.

Parameters:

clazz - the class for which to create an instance

Returns:

the instance

Throws:

IllegalAccessException

InvocationTargetException

NoSuchMethodException

InstantiationException

createScalaPluginInstance

public static <P extends IScalaPlugin> P createScalaPluginInstance(Class<P> clazz)
                                                            throws ScalaPluginLoaderException

Tries to get the plugin instance from the scala plugin class. This method is able to get the static instances from scala `object`s, as well as it is able to create plugins using their public NoArgsConstructors.

Type Parameters:

P - the plugin type

Parameters:

clazz - the plugin class

Returns:

the plugin's instance.

Throws:

ScalaPluginLoaderException - when a plugin instance could not be created for the given class

downloadFile

public static void downloadFile(URL inputResourceLocation,
 File outputFile,
 String sha1hash)
                         throws IOException

Throws:

IOException

downloadFile

@Deprecated
public static void downloadFile(URL inputResourceLocation,
 File outputFile)
                         throws IOException

Deprecated.

Use downloadFile(URL, File, String) instead.

Throws:

IOException

loadOrGetScalaVersion

public static ScalaLibraryClassLoader loadOrGetScalaVersion(Map<String, ScalaLibraryClassLoader> scalaLibraryClassLoaders,
 PluginScalaVersion scalaVersion,
 boolean download,
 IScalaLoader scalaLoader)
                                                     throws ScalaPluginLoaderException

Get a (fresh or cached) ScalaLibraryClassLoader that loads standard library classes from a specific Scala version. The classloader can either load classes from over the network directly, or use downloaded library archives (jar files).

Parameters:

scalaVersion - the scala version

Returns:

the class loader

Throws:

ScalaPluginLoaderException - if a url is malformed.