org.maltparser.core.plugin

Class PluginLoader

java.lang.Object

org.maltparser.core.plugin.PluginLoader

All Implemented Interfaces:

java.lang.Iterable<Plugin>

public class PluginLoader
extends java.lang.Object
implements java.lang.Iterable<Plugin>

Loads MaltParser plug-ins and makes new instances of classes within these plug-ins.

Since:

1.0

Author:

Johan Hall

Method Summary

Modifier and Type	Method and Description
java.lang.Class<?>	getClass(java.lang.String classname) Returns the Class object for the class with the specified name.
static PluginLoader	instance() Returns a reference to the single instance.
java.util.Iterator<Plugin>	iterator()
void	loadPlugins(java.io.File pluginDirectory) Loads plug-ins from one directory
void	loadPlugins(java.io.File[] pluginDirectories) Loads plug-ins from one or more directories
java.lang.Object	newInstance(java.lang.String classname, java.lang.Class<?>[] argTypes, java.lang.Object[] args) Creates a new instance of a class within one of the plug-ins
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

instance

public static PluginLoader instance()

Returns a reference to the single instance.

loadPlugins

public void loadPlugins(java.io.File pluginDirectory)
                 throws MaltChainedException

Loads plug-ins from one directory

Parameters:

pluginDirectory - The directory that contains all plug-ins

Throws:

MaltChainedException

loadPlugins

public void loadPlugins(java.io.File[] pluginDirectories)
                 throws MaltChainedException

Loads plug-ins from one or more directories

Parameters:

pluginDirectories - An array of directories that contains all plug-ins

Throws:

MaltChainedException

getClass

public java.lang.Class<?> getClass(java.lang.String classname)

Returns the Class object for the class with the specified name.

Parameters:

classname - the fully qualified name of the desired class

Returns:

the Class object for the class with the specified name.

newInstance

public java.lang.Object newInstance(java.lang.String classname,
                                    java.lang.Class<?>[] argTypes,
                                    java.lang.Object[] args)
                             throws MaltChainedException

Creates a new instance of a class within one of the plug-ins

Parameters:

classname - The fully qualified name of the desired class

argTypes - An array of classes (fully qualified name) that specify the arguments to the constructor

args - An array of objects that will be the actual parameters to the constructor (the type should corresponds to the argTypes).

Returns:

a reference to the created instance.

Throws:

MaltChainedException

iterator

public java.util.Iterator<Plugin> iterator()

Specified by:

iterator in interface java.lang.Iterable<Plugin>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object