org.apache.manifoldcf.core.system

Class ManifoldCFResourceLoader

java.lang.Object

org.apache.manifoldcf.core.system.ManifoldCFResourceLoader

public class ManifoldCFResourceLoader
extends java.lang.Object

An instance of this class is capable of minting URLClassLoader objects on demand, for the purpose of loading plugins.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	_rcsid
protected java.lang.ClassLoader	classLoader The class loader we're caching
protected java.util.ArrayList	currentClasspath The current 'classpath' - a list of File objects
protected java.lang.ClassLoader	parent The parent class loader

Constructor Summary

Constructors

Constructor and Description
ManifoldCFResourceLoader(java.lang.ClassLoader parent) Construct a resource manager.

Method Summary

Modifier and Type	Method and Description
protected void	addDirsToClassPath(java.io.File[] baseList, java.io.FileFilter[] filterList) Add fully-resolved directories (with filters) to the current class path.
void	addToClassPath(java.io.File file) Add to the class-search path.
void	addToClassPath(java.io.File dir, java.io.FileFilter filter) Add to the class-search path.
void	clearClassPath() Clear the class-search path.
java.lang.Class	findClass(java.lang.String cname) Get the specified class using the proper classloader.
java.lang.ClassLoader	getClassLoader() Get the class loader representing this resource loader.
void	setClassPath(java.util.ArrayList libdirList) Set the classpath to a given list of libdirs.

Methods inherited from class java.lang.Object

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

Field Detail

_rcsid

public static final java.lang.String _rcsid

See Also:

Constant Field Values

parent

protected java.lang.ClassLoader parent

The parent class loader

classLoader

protected java.lang.ClassLoader classLoader

The class loader we're caching

currentClasspath

protected java.util.ArrayList currentClasspath

The current 'classpath' - a list of File objects

Constructor Detail

ManifoldCFResourceLoader

public ManifoldCFResourceLoader(java.lang.ClassLoader parent)
                         throws ManifoldCFException

Construct a resource manager.

Parameters:

parent - is the parent class loader.

Throws:

ManifoldCFException

Method Detail

setClassPath

public void setClassPath(java.util.ArrayList libdirList)
                  throws ManifoldCFException

Set the classpath to a given list of libdirs.

Parameters:

libdirList - is an arraylist of File objects, each representing a directory.

Throws:

ManifoldCFException

clearClassPath

public void clearClassPath()

Clear the class-search path.

addToClassPath

public void addToClassPath(java.io.File file)
                    throws ManifoldCFException

Add to the class-search path.

Parameters:

file - is the jar or class root.

Throws:

ManifoldCFException

addToClassPath

public void addToClassPath(java.io.File dir,
                           java.io.FileFilter filter)
                    throws ManifoldCFException

Add to the class-search path.

Parameters:

dir - is the directory to add.

filter - is the file filter to use on that directory.

Throws:

ManifoldCFException

getClassLoader

public java.lang.ClassLoader getClassLoader()
                                     throws ManifoldCFException

Get the class loader representing this resource loader.

Throws:

ManifoldCFException

findClass

public java.lang.Class findClass(java.lang.String cname)
                          throws java.lang.ClassNotFoundException,
                                 ManifoldCFException

Get the specified class using the proper classloader.

Parameters:

cname - is the fully-qualified class name.

Throws:

java.lang.ClassNotFoundException

ManifoldCFException

addDirsToClassPath

protected void addDirsToClassPath(java.io.File[] baseList,
                                  java.io.FileFilter[] filterList)
                           throws ManifoldCFException

Add fully-resolved directories (with filters) to the current class path.

Parameters:

baseList - is the list of library directories.

filterList - is the corresponding list of filters.

Throws:

ManifoldCFException