net.lenni0451.classtransform.utils.loader

Class InjectionClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

net.lenni0451.classtransform.utils.loader.InjectionClassLoader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class InjectionClassLoader
extends java.net.URLClassLoader

Inject into Classes by using a custom ClassLoader

Constructor Summary

Constructors

Constructor and Description
InjectionClassLoader(TransformerManager transformerManager, java.lang.ClassLoader parent, java.net.URL... urls)
InjectionClassLoader(TransformerManager transformerManager, java.net.URL... urls)

Method Summary

Modifier and Type	Method and Description
void	addProtectedPackage(java.lang.String protectedPackage) Add a protected package to prevent the classes from being transformed
void	addRuntimeResource(java.lang.String path, byte[] data) Add a new resource to the classpath during runtime
void	addURL(java.net.URL url) Add an URL to the classpath
void	copyClass(IClassProvider classProvider, java.lang.String className) Copy a Class to this InjectionClassLoader
void	copyResource(java.lang.ClassLoader classLoader, java.lang.String path) Copy a resource from a ClassLoader to this InjectionClassLoader
void	executeMain(java.lang.String className, java.lang.String methodName, java.lang.String... args) Execute the main method of the given Class
protected java.lang.Class<?>	findClass(java.lang.String name)
java.net.URL	findResource(java.lang.String name)
java.util.Enumeration<java.net.URL>	findResources(java.lang.String name)
java.net.URL	getResource(java.lang.String name)
TransformerManager	getTransformerManager() Get the TransformerManager used by this InjectionClassLoader
protected java.lang.Class<?>	loadClass(java.lang.String name, boolean resolve)
void	setPriority(EnumLoaderPriority priority) Set the priority of the load class method

Methods inherited from class java.net.URLClassLoader

close, definePackage, getPermissions, getResourceAsStream, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass

Methods inherited from class java.lang.ClassLoader

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

Methods inherited from class java.lang.Object

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

Constructor Detail

InjectionClassLoader

public InjectionClassLoader(TransformerManager transformerManager,
                            java.net.URL... urls)

InjectionClassLoader

public InjectionClassLoader(TransformerManager transformerManager,
                            java.lang.ClassLoader parent,
                            java.net.URL... urls)

Method Detail

loadClass

protected java.lang.Class<?> loadClass(java.lang.String name,
                                       boolean resolve)
                                throws java.lang.ClassNotFoundException

Overrides:

loadClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException

findClass

protected java.lang.Class<?> findClass(java.lang.String name)
                                throws java.lang.ClassNotFoundException

Overrides:

findClass in class java.net.URLClassLoader

Throws:

java.lang.ClassNotFoundException

getResource

public java.net.URL getResource(java.lang.String name)

Overrides:

getResource in class java.lang.ClassLoader

findResource

public java.net.URL findResource(java.lang.String name)

Overrides:

findResource in class java.net.URLClassLoader

findResources

public java.util.Enumeration<java.net.URL> findResources(java.lang.String name)
                                                  throws java.io.IOException

Overrides:

findResources in class java.net.URLClassLoader

Throws:

java.io.IOException

addProtectedPackage

public void addProtectedPackage(java.lang.String protectedPackage)

Add a protected package to prevent the classes from being transformed

Parameters:

protectedPackage - The package to protect

getTransformerManager

public TransformerManager getTransformerManager()

Get the TransformerManager used by this InjectionClassLoader

addURL

public void addURL(java.net.URL url)

Add an URL to the classpath

Overrides:

addURL in class java.net.URLClassLoader

Parameters:

url - The URL to add

addRuntimeResource

public void addRuntimeResource(java.lang.String path,
                               byte[] data)

Add a new resource to the classpath during runtime

Parameters:

path - The path to the resource

data - The data of the resource

copyResource

public void copyResource(java.lang.ClassLoader classLoader,
                         java.lang.String path)

Copy a resource from a ClassLoader to this InjectionClassLoader

Parameters:

classLoader - The ClassLoader to copy the resource from

path - The path to the resource

copyClass

public void copyClass(IClassProvider classProvider,
                      java.lang.String className)

Copy a Class to this InjectionClassLoader

Parameters:

classProvider - The IClassProvider providing the Class to copy

className - The name of the Class to copy

setPriority

public void setPriority(EnumLoaderPriority priority)

Set the priority of the load class method

Parameters:

priority - The priority

executeMain

public void executeMain(java.lang.String className,
                        java.lang.String methodName,
                        java.lang.String... args)
                 throws java.lang.ClassNotFoundException,
                        java.lang.NoSuchMethodException,
                        java.lang.reflect.InvocationTargetException,
                        java.lang.IllegalAccessException

Execute the main method of the given Class

Parameters:

className - The name of the Class containing the main method

methodName - The name of the main method

args - The arguments to pass to the main method

Throws:

java.lang.ClassNotFoundException - If the Class is not found

java.lang.NoSuchMethodException - If the main method is not found

java.lang.reflect.InvocationTargetException - If the main method throws an exception

java.lang.IllegalAccessException - If the main method is not accessible