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org.apache.cocoon.maven.deployer.servlet
Class ShieldedClassLoaderManager

java.lang.Object
  org.apache.cocoon.maven.deployer.servlet.ShieldedClassLoaderManager

public class ShieldedClassLoaderManager
extends Object

This class creates a singleton instance of the shielded class loader. It can be configured through context paramters:

• shielded-classloader-debug Can be used to turn debug messages on.

Version:

$Id: ShieldedClassLoaderManager.html 1351235 2012-06-18 08:41:39Z ilgrosso $

Nested Class Summary

protected static class

ShieldedClassLoaderManager.UrlComparator Simple comparator for comparing url objects.

Field Summary

protected static String	SHIELDED_CLASSES
static String	SHIELDED_CLASSLOADER_DEBUG
static String	SHIELDED_CLASSLOADER_USE_REPOSITORY
protected static String	SHIELDED_LIB
protected static ClassLoader	shieldedClassLoader
static String	WEB_INF_SHIELDED_CLASSES
static String	WEB_INF_SHIELDED_LIB

Constructor Summary

ShieldedClassLoaderManager()

Method Summary

protected static ClassLoader	createClassLoader(ClassLoader parent, javax.servlet.ServletContext servletContext) Create the shielded class loader.
static ClassLoader	getClassLoader(javax.servlet.ServletContext servletContext) Create the class loader.
static void	logDebug(javax.servlet.ServletContext servletContext, String message) Log a debug message to the log of the servlet context.

Methods inherited from class java.lang.Object

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

Field Detail

SHIELDED_CLASSLOADER_DEBUG

public static final String SHIELDED_CLASSLOADER_DEBUG

See Also:

Constant Field Values

SHIELDED_CLASSLOADER_USE_REPOSITORY

public static final String SHIELDED_CLASSLOADER_USE_REPOSITORY

See Also:

Constant Field Values

WEB_INF_SHIELDED_LIB

public static final String WEB_INF_SHIELDED_LIB

See Also:

Constant Field Values

WEB_INF_SHIELDED_CLASSES

public static final String WEB_INF_SHIELDED_CLASSES

See Also:

Constant Field Values

SHIELDED_LIB

protected static final String SHIELDED_LIB

See Also:

Constant Field Values

SHIELDED_CLASSES

protected static final String SHIELDED_CLASSES

See Also:

Constant Field Values

shieldedClassLoader

protected static ClassLoader shieldedClassLoader

Constructor Detail

ShieldedClassLoaderManager

public ShieldedClassLoaderManager()

Method Detail

getClassLoader

public static ClassLoader getClassLoader(javax.servlet.ServletContext servletContext)
                                  throws javax.servlet.ServletException

Create the class loader.

Parameters:

servletContext -

Returns:

Throws:

javax.servlet.ServletException

logDebug

public static void logDebug(javax.servlet.ServletContext servletContext,
                            String message)

Log a debug message to the log of the servlet context. This method first checks if the init parameter "shielded-classloader-debug" has the value true before it logs.

Parameters:

servletContext - The servlet context.

message - The message to log.

createClassLoader

protected static ClassLoader createClassLoader(ClassLoader parent,
                                               javax.servlet.ServletContext servletContext)
                                        throws IOException

Create the shielded class loader.

Throws:

IOException