Package 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	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 these files.

Methods inherited from class java.lang.Object

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

Method Details

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 these 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