io.shiftleft.bctrace.bootstrap

Class BctraceClassLoader

java.lang.Object

java.lang.ClassLoader

io.shiftleft.bctrace.bootstrap.BctraceClassLoader

public class BctraceClassLoader
extends ClassLoader

A jars-in-jar class loader that stores entries in direct memory. Main jar is required to contain a "libraries.txt" descriptor in the root namespace, where each line contains the relative path of the managed inner jars

Author:

Ignacio del Valle Alles idelvall@shiftleft.io

Constructor Summary

Constructors

Constructor and Description
BctraceClassLoader(String agentJarName)

Method Summary

Modifier and Type	Method and Description
protected Class<?>	findClass(String name)
protected URL	findResource(String name)
protected Enumeration<URL>	findResources(String name)
protected Package	getPackage(String name)
URL	getResource(String name) Default getResource() fails to get resources from bootstrap classloader inside a jar added via Instrumentation.appendToBootstrapClassLoaderSearch(JarFile), ClassLoader.getSystemResource succeeds though

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getClassLoadingLock, getPackages, getParent, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, 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

BctraceClassLoader

public BctraceClassLoader(String agentJarName)

Method Detail

findClass

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

Overrides:

findClass in class ClassLoader

Throws:

ClassNotFoundException

findResources

protected Enumeration<URL> findResources(String name)

Overrides:

findResources in class ClassLoader

getResource

public URL getResource(String name)

Default getResource() fails to get resources from bootstrap classloader inside a jar added via Instrumentation.appendToBootstrapClassLoaderSearch(JarFile), ClassLoader.getSystemResource succeeds though

Overrides:

getResource in class ClassLoader

findResource

protected URL findResource(String name)

Overrides:

findResource in class ClassLoader

getPackage

protected Package getPackage(String name)

Overrides:

getPackage in class ClassLoader