org.eclipse.hyades.execution.invocation
Class UpdateablePathClassLoader

java.lang.Object
  java.lang.ClassLoader
      org.eclipse.hyades.execution.invocation.UpdateablePathClassLoader

public class UpdateablePathClassLoader

extends java.lang.ClassLoader

This classloader re-searches the system classpath (which is specified via the system property, java.class.path) every time it fields a request to find a class or a resource. The effect is that the classpath that we use is updateable at runtime.

Constructor Summary

UpdateablePathClassLoader()

UpdateablePathClassLoader(java.lang.ClassLoader parent)

Method Summary

protected java.lang.Class	findClass(java.lang.String name) This version searches the system classpath every time this method is called, so that runtime updates of that property are utilized.
protected java.net.URL	findResource(java.lang.String name) This version searches the system classpath every time this method is called, so that runtime updates of that property are utilized.
protected java.util.Enumeration	findResources(java.lang.String name) This version searches the system classpath every time this method is called, so that runtime updates of that property are utilized.

Methods inherited from class java.lang.ClassLoader

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

UpdateablePathClassLoader

public UpdateablePathClassLoader(java.lang.ClassLoader parent)

Parameters:

parent -

UpdateablePathClassLoader

public UpdateablePathClassLoader()

Method Detail

findClass

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

This version searches the system classpath every time this method is called, so that runtime updates of that property are utilized. The property used for the system classpath value is java.class.path

Throws:

java.lang.ClassNotFoundException

See Also:

ClassLoader.findClass(java.lang.String), java.lang.System.getProperty(String, String), java.lang.System.setProperty(String, String)

findResource

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

This version searches the system classpath every time this method is called, so that runtime updates of that property are utilized. The property used for the system classpath value is java.class.path

See Also:

ClassLoader.findResource(java.lang.String), java.lang.System.getProperty(String, String), java.lang.System.setProperty(String, String)

findResources

protected java.util.Enumeration findResources(java.lang.String name)
                                       throws java.io.IOException

This version searches the system classpath every time this method is called, so that runtime updates of that property are utilized. The property used for the system classpath value is java.class.path

Throws:

java.io.IOException

See Also:

ClassLoader.findResources(java.lang.String), java.lang.System.getProperty(String, String), java.lang.System.setProperty(String, String)