de.ukn.hci.squidy.common.dynamiccode
Class DynamicCodeClassLoader

java.lang.Object
  java.lang.ClassLoader
      de.ukn.hci.squidy.common.dynamiccode.DynamicCodeClassLoader

public class DynamicCodeClassLoader
extends ClassLoader

DynamicCode.

 Date: Mar 30, 2009
 Time: 7:19:03 PM
 

Since:

1.0.0

Version:

$Id: DynamicCodeClassLoader.java 141 2010-01-09 20:36:45Z zeitler $

Author:

Roman R&aumldle Roman .Raedle@uni-konstanz.de Human-Computer Interaction Group University of Konstanz

Field Summary

static DynamicCodeClassLoader	DYNAMIC_CODE
static File	DYNAMIC_CODE_REPOSITORY

Constructor Summary

DynamicCodeClassLoader()

DynamicCodeClassLoader(ClassLoader parentClassLoader)

DynamicCodeClassLoader(String compileClasspath, ClassLoader parentClassLoader)

Method Summary

boolean	addSourceDir(File srcDir) Add a directory that contains the source of dynamic java code.
URL	getResource(String resource) Get a resource from added source directories.
InputStream	getResourceAsStream(String resource) Get a resource stream from added source directories.
Class<?>	loadClass(String className) Returns the up-to-date dynamic class by name.

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getPackage, getPackages, getParent, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Field Detail

DYNAMIC_CODE_REPOSITORY

public static final File DYNAMIC_CODE_REPOSITORY

DYNAMIC_CODE

public static final DynamicCodeClassLoader DYNAMIC_CODE

Constructor Detail

DynamicCodeClassLoader

public DynamicCodeClassLoader()

DynamicCodeClassLoader

public DynamicCodeClassLoader(ClassLoader parentClassLoader)

DynamicCodeClassLoader

public DynamicCodeClassLoader(String compileClasspath,
                              ClassLoader parentClassLoader)

Parameters:

compileClasspath - used to compile dynamic classes

parentClassLoader - the parent of the class loader that loads all the dynamic classes

Method Detail

addSourceDir

public boolean addSourceDir(File srcDir)

Add a directory that contains the source of dynamic java code.

Parameters:

srcDir -

Returns:

true if the add is successful

loadClass

public Class<?> loadClass(String className)
                   throws ClassNotFoundException

Returns the up-to-date dynamic class by name.

Overrides:

loadClass in class ClassLoader

Parameters:

className -

Returns:

Throws:

ClassNotFoundException - if source file not found or compilation error

getResource

public URL getResource(String resource)

Get a resource from added source directories.

Overrides:

getResource in class ClassLoader

Parameters:

resource -

Returns:

the resource URL, or null if resource not found

getResourceAsStream

public InputStream getResourceAsStream(String resource)

Get a resource stream from added source directories.

Overrides:

getResourceAsStream in class ClassLoader

Parameters:

resource -

Returns:

the resource stream, or null if resource not found