com.spotify.helios.serviceregistration

Class ServiceRegistrarLoader

java.lang.Object

com.spotify.helios.serviceregistration.ServiceRegistrarLoader

public class ServiceRegistrarLoader
extends Object

Helpers for loading ServiceRegistrarFactory instances.

Constructor Summary

Constructors

Constructor and Description
ServiceRegistrarLoader()

Method Summary

Modifier and Type	Method and Description
static ServiceRegistrarFactory	load() Load a ServiceRegistrarFactory using the current class loader.
static ServiceRegistrarFactory	load(Path plugin) Load a ServiceRegistrarFactory from a plugin jar file with a parent class loader that will not load classes from the jvm classpath.
static ServiceRegistrarFactory	load(Path plugin, ClassLoader environment, ClassLoader parent) Load a ServiceRegistrarFactory from a plugin jar file with a specified parent class loader and a list of exposed classes.
static ServiceRegistrarFactory	load(String source, ClassLoader classLoader) Load a ServiceRegistrarFactory using a class loader.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceRegistrarLoader

public ServiceRegistrarLoader()

Method Detail

load

public static ServiceRegistrarFactory load()
                                    throws ServiceRegistrarLoadingException

Load a ServiceRegistrarFactory using the current class loader.

Returns:

A ServiceRegistrarFactory, null if none could be found.

Throws:

ServiceRegistrarLoadingException - if loading failed.

load

public static ServiceRegistrarFactory load(Path plugin)
                                    throws ServiceRegistrarLoadingException

Load a ServiceRegistrarFactory from a plugin jar file with a parent class loader that will not load classes from the jvm classpath. Any dependencies of the plugin must be included in the plugin jar.

Parameters:

plugin - The plugin jar file to load.

Returns:

A ServiceRegistrarFactory, null if none could be found.

Throws:

ServiceRegistrarLoadingException - if loading failed.

load

public static ServiceRegistrarFactory load(Path plugin,
                                           ClassLoader environment,
                                           ClassLoader parent)
                                    throws ServiceRegistrarLoadingException

Load a ServiceRegistrarFactory from a plugin jar file with a specified parent class loader and a list of exposed classes.

Parameters:

plugin - The plugin jar file to load.

environment - The class loader to use for providing plugin interface dependencies.

parent - The parent class loader to assign to the class loader of the jar.

Returns:

A ServiceRegistrarFactory, null if none could be found.

Throws:

ServiceRegistrarLoadingException - if loading failed.

load

public static ServiceRegistrarFactory load(String source,
                                           ClassLoader classLoader)
                                    throws ServiceRegistrarLoadingException

Load a ServiceRegistrarFactory using a class loader.

Parameters:

source - The source of the class loader.

classLoader - The class loader to load from.

Returns:

A ServiceRegistrarFactory, null if none could be found.

Throws:

ServiceRegistrarLoadingException - if loading failed.