org.apache.cocoon.components.classloader
Class RepositoryClassLoader

java.lang.Object
  java.lang.ClassLoader
      java.security.SecureClassLoader
          java.net.URLClassLoader
              org.apache.cocoon.components.classloader.RepositoryClassLoader

All Implemented Interfaces:

LogEnabled

public class RepositoryClassLoader
extends URLClassLoader
implements LogEnabled

A class loader with a growable list of path search directories. BL: Changed to extend URLClassLoader for both maintenance and compatibility reasons. It doesn't hurt that it runs quicker now as well.

Version:

$Id: RepositoryClassLoader.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Ricardo Rocha, Berin Loritsch

Field Summary

protected Logger

log The logger

Constructor Summary

	RepositoryClassLoader() Create an empty new class loader.
protected	RepositoryClassLoader(Collection repositories) Create a class loader from a list of directories
	RepositoryClassLoader(URL[] urls) Create an empty new class loader.
	RepositoryClassLoader(URL[] urls, ClassLoader parentClassLoader) Create an empty new class loader.
protected	RepositoryClassLoader(Vector repositories) Create a class loader from a list of directories

Method Summary

void	addDirectory(File repository) Add a directory to the list of searchable repositories.
void	addDirectory(String repository) Add a directory to the list of searchable repositories.
void	addURL(URL url) Add a url to the list of searchable repositories
Class	defineClass(byte[] b) Create a Class from a byte array
void	enableLogging(Logger logger) Provide component with a logger.

Methods inherited from class java.net.URLClassLoader

definePackage, findClass, findResource, findResources, getPermissions, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, 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

Field Detail

log

protected Logger log

The logger

Constructor Detail

RepositoryClassLoader

public RepositoryClassLoader()

Create an empty new class loader.

RepositoryClassLoader

public RepositoryClassLoader(URL[] urls)

Create an empty new class loader.

RepositoryClassLoader

public RepositoryClassLoader(URL[] urls,
                             ClassLoader parentClassLoader)

Create an empty new class loader.

RepositoryClassLoader

protected RepositoryClassLoader(Vector repositories)

Create a class loader from a list of directories

Parameters:

repositories - List of searchable directories

RepositoryClassLoader

protected RepositoryClassLoader(Collection repositories)

Create a class loader from a list of directories

Parameters:

repositories - List of searchable directories

Method Detail

enableLogging

public void enableLogging(Logger logger)

Provide component with a logger.

Specified by:

enableLogging in interface LogEnabled

Parameters:

logger - the logger

addDirectory

public void addDirectory(File repository)
                  throws IOException

Add a directory to the list of searchable repositories. This methods ensures that no directory is specified more than once.

Parameters:

repository - The directory path

Throws:

IOException - Non-existent, non-readable or non-directory repository

addDirectory

public void addDirectory(String repository)
                  throws IOException

Add a directory to the list of searchable repositories. This methods ensures that no directory is specified more than once.

Parameters:

repository - The directory path

Throws:

IOException - Non-existent, non-readable or non-directory repository

addURL

public void addURL(URL url)

Add a url to the list of searchable repositories

Overrides:

addURL in class URLClassLoader

defineClass

public Class defineClass(byte[] b)
                  throws ClassFormatError

Create a Class from a byte array

Throws:

ClassFormatError