nl.lockhead.lpf.plugins.loaders.impl

Class URLPluginLoader

java.lang.Object

nl.lockhead.lpf.plugins.loaders.impl.URLPluginLoader

All Implemented Interfaces:

IPluginLoader

Direct Known Subclasses:

AsyncURLPluginLoader

public class URLPluginLoader
extends java.lang.Object
implements IPluginLoader

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<java.net.URL>	classloaderUrls
protected boolean	running
protected java.net.URL[]	urls

Constructor Summary

Constructors

Constructor and Description
URLPluginLoader(java.util.List<java.net.URL> classloaderUrls, java.net.URL... urls)

Method Summary

Modifier and Type	Method and Description
java.util.List<java.net.URL>	getClassloaderUrls()
protected Plugin	getPlugin(java.net.URL url) Make a connection to the urls and load the classes from the connection's input stream.
java.net.URL[]	getUrls()
boolean	isRunning()
java.util.Set<PluginContainer>	loadPlugins()
protected java.util.Set<PluginContainer>	loadPlugins(java.net.URL... urls)
protected Plugin	readBuffer(byte[] buffer) https://stackoverflow.com/questions/28964450/loading-a-jar-dynamically-from-memory

Methods inherited from class java.lang.Object

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

Field Detail

urls

protected final java.net.URL[] urls

running

protected boolean running

classloaderUrls

protected java.util.List<java.net.URL> classloaderUrls

Constructor Detail

URLPluginLoader

public URLPluginLoader(java.util.List<java.net.URL> classloaderUrls,
                       java.net.URL... urls)

Method Detail

loadPlugins

public java.util.Set<PluginContainer> loadPlugins()

Specified by:

loadPlugins in interface IPluginLoader

Returns:

the amount of plugins loaded

loadPlugins

protected java.util.Set<PluginContainer> loadPlugins(java.net.URL... urls)

getPlugin

protected Plugin getPlugin(java.net.URL url)
                    throws java.io.IOException

Make a connection to the urls and load the classes from the connection's input stream.

Parameters:

url - the URL from which to download

Returns:

hopefully a Plugin

Throws:

java.io.IOException - hence, hopefully

readBuffer

protected Plugin readBuffer(byte[] buffer)
                     throws java.io.IOException

https://stackoverflow.com/questions/28964450/loading-a-jar-dynamically-from-memory

Parameters:

buffer - the byte buffer from which to load JarEntries

Returns:

a Plugin if everything goes right

Throws:

java.io.IOException - if not everything goes right

getUrls

public java.net.URL[] getUrls()

getClassloaderUrls

public java.util.List<java.net.URL> getClassloaderUrls()

Specified by:

getClassloaderUrls in interface IPluginLoader

Returns:

a list of URLs of Jar files the Classloader needs

isRunning

public boolean isRunning()

Specified by:

isRunning in interface IPluginLoader

Returns:

whether the plugin loader is currently running its tasks