jfun.jaskell.classloader
Class ClassLoaderFactory

java.lang.Object
  jfun.jaskell.classloader.ClassLoaderFactory

public final class ClassLoaderFactory
extends java.lang.Object

A factory class that creates ClassLoader object.

Zephyr Business Solution

Author:

Ben Yu

Nested Class Summary

static interface

ClassLoaderFactory.ErrorHandler To handle errors during class loading.

Field Summary

static java.lang.String	CHILD_FIRST The child-first string value.
static java.lang.String	CHILD_ONLY The child-only string value.
static java.lang.String	PARENT_FIRST The parent-first string value.
static java.lang.String	PARENT_ONLY The parent-only string value.

Constructor Summary

ClassLoaderFactory(java.io.File basedir, ClassLoaderFactory.ErrorHandler handler, java.lang.String policy)
Creates a ClassLoaderFactory object.

Method Summary

void	addSysPackage(java.lang.String prefix)
java.lang.ClassLoader	createClassLoader(java.lang.ClassLoader parent, java.lang.Object path) Create a ClassLoader object by using the current ClassLoader policy and the given class path.
java.lang.ClassLoader	createClassLoader(java.lang.Object path) Create a ClassLoader object by using the current ClassLoader policy and the given class path.

Methods inherited from class java.lang.Object

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

Field Detail

PARENT_FIRST

public static final java.lang.String PARENT_FIRST

The parent-first string value.

See Also:

Constant Field Values

CHILD_FIRST

public static final java.lang.String CHILD_FIRST

The child-first string value.

See Also:

Constant Field Values

PARENT_ONLY

public static final java.lang.String PARENT_ONLY

The parent-only string value.

See Also:

Constant Field Values

CHILD_ONLY

public static final java.lang.String CHILD_ONLY

The child-only string value.

See Also:

Constant Field Values

Constructor Detail

ClassLoaderFactory

public ClassLoaderFactory(java.io.File basedir,
                          ClassLoaderFactory.ErrorHandler handler,
                          java.lang.String policy)
                   throws java.lang.IllegalArgumentException

Creates a ClassLoaderFactory object.

Parameters:

basedir - the base directory.

handler - the handler object that handles class loading problems.

policy - the class loader policy.

Throws:

java.lang.IllegalArgumentException - when the policy is not a valid string.

Method Detail

createClassLoader

public java.lang.ClassLoader createClassLoader(java.lang.Object path)

Create a ClassLoader object by using the current ClassLoader policy and the given class path.

Parameters:

path - the class path. This can be either a String, a File, or a list of paths.

Returns:

the ClassLoader object.

createClassLoader

public java.lang.ClassLoader createClassLoader(java.lang.ClassLoader parent,
                                               java.lang.Object path)

Create a ClassLoader object by using the current ClassLoader policy and the given class path.

Parameters:

parent - the parent ClassLoader object.

path - the class path. This can be either a String, a File, or a list of paths.

Returns:

the ClassLoader object.

addSysPackage

public void addSysPackage(java.lang.String prefix)