org.genealogie.utils
Class JarClassLoader

java.lang.Object
  |
  +--java.lang.ClassLoader
        |
        +--org.genealogie.utils.JarClassLoader

public class JarClassLoader

extends java.lang.ClassLoader

A ClassLoader for loading classes from a list of user-defined jar files.

Inner classes inherited from class java.lang.ClassLoader

java.lang.ClassLoader.NativeLibrary

Field Summary

(package private) java.util.Vector	classFiles
(package private) java.util.Vector	jarFiles

Fields inherited from class java.lang.ClassLoader

bootstrapClassPath, classes, defaultDomain, defaultPermissions, domains, getClassLoaderPerm, initialized, loadedLibraryNames, nativeLibraries, nativeLibraryContext, nocerts, package2certs, packages, parent, scl, sclSet, sys_paths, systemNativeLibraries, usr_paths

Constructor Summary

JarClassLoader(java.lang.String[] jarFiles, java.lang.String[] classFiles)
A constructor that takes in an array of jar file.

JarClassLoader(java.lang.String[] jarFiles, java.lang.String[] classFiles, java.lang.ClassLoader parent)
A constructor that takes in an array of jar file names and the parent class loader.

Method Summary

void	addClassFile(java.lang.String classFileName) Add a class file name to the list.
void	addClassFileAt(int i, java.lang.String classFile) Add a new class file at a specific location.
void	addJarFile(java.lang.String jarFileName) Add a jar file name to the list.
void	addJarFileAt(int i, java.lang.String jarFile) Add a new jar file at a specific location.
java.lang.Class	findClass(java.lang.String name)
private void	init(java.lang.String[] jarFiles, java.lang.String[] classFiles)
private byte[]	loadClassData(java.lang.String name)
void	removeAllClass() Remove all the class files.
void	removeAllJars() Remove all the jar files.
void	removeClassFile(java.lang.String classFileName) Remove class file from the list.
void	removeJarFile(java.lang.String jarFileName) Remove jar file from the list.

Methods inherited from class java.lang.ClassLoader

, addClass, check, checkCerts, checkPackageAccess, compareCerts, defineClass, defineClass, defineClass, defineClass0, definePackage, findBootstrapClass, findBootstrapClass0, findLibrary, findLoadedClass, findNative, findResource, findResources, findSystemClass, getBootstrapClassPath, getBootstrapResource, getBootstrapResources, getCallerClassLoader, getDefaultDomain, getGetClassLoaderPerm, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, initializePath, isAncestor, loadClass, loadClass, loadClassInternal, loadLibrary, loadLibrary0, resolveClass, resolveClass0, setSigners

Methods inherited from class java.lang.Object

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

Field Detail

jarFiles

java.util.Vector jarFiles

classFiles

java.util.Vector classFiles

Constructor Detail

JarClassLoader

public JarClassLoader(java.lang.String[] jarFiles,
                      java.lang.String[] classFiles,
                      java.lang.ClassLoader parent)
               throws java.io.IOException

A constructor that takes in an array of jar file names and the parent class loader.

Parameters:

jarFiles - Jar File Names.

parent - Parent class loader.

Throws:

java.io.IOException -

JarClassLoader

public JarClassLoader(java.lang.String[] jarFiles,
                      java.lang.String[] classFiles)
               throws java.io.IOException

A constructor that takes in an array of jar file.

Parameters:

jarFiles - An array of jar file.

Throws:

java.io.IOException -

Method Detail

init

private void init(java.lang.String[] jarFiles,
                  java.lang.String[] classFiles)
           throws java.io.IOException

addJarFile

public void addJarFile(java.lang.String jarFileName)
                throws java.io.IOException

Add a jar file name to the list.

Parameters:

jarFileName - Jar file name.

Throws:

java.io.IOException -

addClassFile

public void addClassFile(java.lang.String classFileName)
                  throws java.io.IOException

Add a class file name to the list.

Parameters:

classFileName - Class file name.

Throws:

java.io.IOException -

removeJarFile

public void removeJarFile(java.lang.String jarFileName)

Remove jar file from the list.

Parameters:

jarFileName - Jar File Name.

removeClassFile

public void removeClassFile(java.lang.String classFileName)

Remove class file from the list.

Parameters:

classFileName - Class File Name.

addJarFileAt

public void addJarFileAt(int i,
                         java.lang.String jarFile)
                  throws java.io.IOException

Add a new jar file at a specific location.

Parameters:

i - Location.

jarFile - Jar file name.

Throws:

java.io.IOException -

addClassFileAt

public void addClassFileAt(int i,
                           java.lang.String classFile)
                    throws java.io.IOException

Add a new class file at a specific location.

Parameters:

i - Location.

classFile - Jar file name.

Throws:

java.io.IOException -

removeAllJars

public void removeAllJars()

Remove all the jar files.

removeAllClass

public void removeAllClass()

Remove all the class files.

findClass

public java.lang.Class findClass(java.lang.String name)
                          throws java.lang.ClassNotFoundException

Overrides:

findClass in class java.lang.ClassLoader

loadClassData

private byte[] loadClassData(java.lang.String name)