Package io.opentelemetry.javaagent.bootstrap

Class AgentClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

io.opentelemetry.javaagent.bootstrap.AgentClassLoader

All Implemented Interfaces:

Closeable, AutoCloseable

public class AgentClassLoader
extends URLClassLoader

Classloader used to run the core agent.

It is built around the concept of a jar inside another jar. This classloader loads the files of the internal jar to load classes and resources.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AgentClassLoader.BootstrapClassLoaderProxy	A stand-in for the bootstrap classloader.

Constructor Summary

Constructors

Constructor	Description
AgentClassLoader(URL bootstrapJarLocation, String internalJarFileName, ClassLoader parent)	Construct a new AgentClassLoader.

Method Summary

Modifier and Type	Method	Description
AgentClassLoader.BootstrapClassLoaderProxy	getBootstrapProxy()
URL	getResource(String resourceName)

Methods inherited from class java.net.URLClassLoader

close, findResource, findResources, getResourceAsStream, getURLs, newInstance, newInstance

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, getDefinedPackage, getDefinedPackages, getName, getParent, getPlatformClassLoader, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, getUnnamedModule, isRegisteredAsParallelCapable, loadClass, resources, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus

Methods inherited from class java.lang.Object

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

Constructor Detail

AgentClassLoader

public AgentClassLoader(URL bootstrapJarLocation,
                        String internalJarFileName,
                        ClassLoader parent)

Construct a new AgentClassLoader.

Parameters:

bootstrapJarLocation - Used for resource lookups.

internalJarFileName - File name of the internal jar

parent - Classloader parent. Should null (bootstrap), or the platform classloader for java 9+.

Method Detail

getResource

public URL getResource(String resourceName)

Overrides:

getResource in class ClassLoader

getBootstrapProxy

public AgentClassLoader.BootstrapClassLoaderProxy getBootstrapProxy()