org.jolokia.jvmagent.client.util

Class ToolsClassFinder

java.lang.Object

org.jolokia.jvmagent.client.util.ToolsClassFinder

public final class ToolsClassFinder
extends Object

Utility class for looking up a class within tools.jar

Since:

07.10.11

Author:

roland

Method Summary

Modifier and Type	Method and Description
static Class	lookupClass(String pClassName) Lookup a class and return its definition.
static Class	lookupInToolsJar(String pClassName) Searches for tools.jar in various locations and uses an URLClassLoader for loading a class from this files.

Methods inherited from class java.lang.Object

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

Method Detail

lookupClass

public static Class lookupClass(String pClassName)
                         throws ClassNotFoundException

Lookup a class and return its definition. This is first tried by the current classloader (which has loaded this class) and if this fails by searching for a tools.jar in various places.

Parameters:

pClassName - class name to lookup

Returns:

the found class

Throws:

ClassNotFoundException - if no class could be found

lookupInToolsJar

public static Class lookupInToolsJar(String pClassName)
                              throws ClassNotFoundException

Searches for tools.jar in various locations and uses an URLClassLoader for loading a class from this files. If the class could not be found in any, then a ClassNotFoundException is thrown. The locations used for lookup are (in this order)

• $JAVA_HOME/../lib/tools.jar
• $JAVA_HOME/lib/tools.jar

$JAVA_HOME here is the value of the system property java.home

Parameters:

pClassName - class to lookup

Returns:

the found class

Throws:

ClassNotFoundException - if no class could be found