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com.chaoswg.xtc4y.classloaders
Class LogClassLoader  

java.lang.Object
  java.lang.ClassLoader
      com.chaoswg.xtc4y.classloaders.LogClassLoader

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public class LogClassLoader

extends java.lang.ClassLoader

This is a classloader appending to every implemented method a begin and end log message of the level DEBUG using log4j. The log4j framework may be configured using the following the system property 'log4j.configuration', i.e. starting the application with java -Dlog4j.configuration=foobar.properties com.athome.myclass

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Nested Class Summary

 

Nested classes inherited from class java.lang.ClassLoader

 

Field Summary
private  java.util.HashMap	cached
private  com.chaoswg.xtc4y.classdesc.code.instructions.InvokeVirtual	debug
private  com.chaoswg.xtc4y.classdesc.MethodrefCPEntry	getLogger
private static java.lang.String	LOG4J_PKG
private  com.chaoswg.xtc4y.classdesc.FieldrefCPEntry	outRef
private static java.lang.String[]	PROHIBITED_PCKG
private  boolean	writeGeneratedFile

 

Fields inherited from class java.lang.ClassLoader

 

Constructor Summary

LogClassLoader()

 

Method Summary
private  void	appendLogMessage(com.chaoswg.xtc4y.classdesc.MethodInfo method, java.lang.String className, com.chaoswg.xtc4y.classdesc.FieldrefCPEntry field)           Append a log message to a method
protected  java.lang.Class	findClass(java.lang.String name)           Find a class by name
protected  java.lang.Class	loadClass(java.lang.String name, boolean resolve)           Overwrite default loadClass behaviour.
private  void	writeClassFile(byte[] bytes, java.lang.String name)           Write an array of bytes into an output file

 

Methods inherited from class java.lang.ClassLoader

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

getLogger

private com.chaoswg.xtc4y.classdesc.MethodrefCPEntry getLogger

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debug

private com.chaoswg.xtc4y.classdesc.code.instructions.InvokeVirtual debug

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outRef

private com.chaoswg.xtc4y.classdesc.FieldrefCPEntry outRef

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writeGeneratedFile

private boolean writeGeneratedFile

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cached

private java.util.HashMap cached

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PROHIBITED_PCKG

private static final java.lang.String[] PROHIBITED_PCKG

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LOG4J_PKG

private static final java.lang.String LOG4J_PKG

See Also:

Constant Field Values

Constructor Detail

LogClassLoader

public LogClassLoader()

Method Detail

loadClass

protected java.lang.Class loadClass(java.lang.String name,
                                    boolean resolve)
                             throws java.lang.ClassNotFoundException

Overwrite default loadClass behaviour. Instead of first delegating to find the class through the parent classloader, try to load it through this classloader

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findClass

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

Find a class by name

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appendLogMessage

private void appendLogMessage(com.chaoswg.xtc4y.classdesc.MethodInfo method,
                              java.lang.String className,
                              com.chaoswg.xtc4y.classdesc.FieldrefCPEntry field)

Append a log message to a method

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writeClassFile

private void writeClassFile(byte[] bytes,
                            java.lang.String name)
                     throws java.io.IOException

Write an array of bytes into an output file

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> chaoswg >> xtc4y >> [ classloaders overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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