org.apache.jdo.impl.enhancer

Class EnhancerClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

org.apache.jdo.impl.enhancer.EnhancerClassLoader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class EnhancerClassLoader
extends java.net.URLClassLoader

Implements a ClassLoader which automatically enchances the .class files according to the EnhancerMetaData information in the jar archive.

Author:

Yury Kamen, Martin Zaun

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DO_TIMING_STATISTICS
static java.lang.String	VERBOSE_LEVEL
static java.lang.String	VERBOSE_LEVEL_DEBUG
static java.lang.String	VERBOSE_LEVEL_QUIET
static java.lang.String	VERBOSE_LEVEL_VERBOSE
static java.lang.String	VERBOSE_LEVEL_WARN

Constructor Summary

Constructors

Modifier	Constructor and Description
	EnhancerClassLoader(java.lang.String classpath, EnhancerMetaData metaData, java.util.Properties settings, java.io.PrintWriter out) Creates a new EnhancerClassLoader for the specified url.
	EnhancerClassLoader(java.lang.String classpath, java.util.Properties settings, java.io.PrintWriter out) Creates a new EnhancerClassLoader for the specified url.
protected	EnhancerClassLoader(java.net.URL[] urls) Creates a new EnhancerClassLoader for the specified url.
protected	EnhancerClassLoader(java.net.URL[] urls, java.lang.ClassLoader loader) Creates a new EnhancerClassLoader for the specified url.
	EnhancerClassLoader(java.net.URL[] urls, EnhancerMetaData metaData, java.util.Properties settings, java.io.PrintWriter out) Creates a new EnhancerClassLoader for the specified url.
	EnhancerClassLoader(java.net.URL[] urls, java.util.Properties settings, java.io.PrintWriter out) Creates a new EnhancerClassLoader for the specified url.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addURL(java.net.URL url) Appends the specified URL to the list of URLs to search for classes and resources.
java.lang.Class	loadClass(java.lang.String name, boolean resolve)
static java.net.URL[]	pathToURLs(java.lang.String classpath)

Methods inherited from class java.net.URLClassLoader

close, definePackage, findClass, findResource, findResources, getPermissions, getResourceAsStream, 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, getClassLoadingLock, getPackage, getPackages, getParent, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, registerAsParallelCapable, 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

DO_TIMING_STATISTICS

public static final java.lang.String DO_TIMING_STATISTICS

See Also:

Constant Field Values

VERBOSE_LEVEL

public static final java.lang.String VERBOSE_LEVEL

See Also:

Constant Field Values

VERBOSE_LEVEL_QUIET

public static final java.lang.String VERBOSE_LEVEL_QUIET

See Also:

Constant Field Values

VERBOSE_LEVEL_WARN

public static final java.lang.String VERBOSE_LEVEL_WARN

See Also:

Constant Field Values

VERBOSE_LEVEL_VERBOSE

public static final java.lang.String VERBOSE_LEVEL_VERBOSE

See Also:

Constant Field Values

VERBOSE_LEVEL_DEBUG

public static final java.lang.String VERBOSE_LEVEL_DEBUG

See Also:

Constant Field Values

Constructor Detail

EnhancerClassLoader

protected EnhancerClassLoader(java.net.URL[] urls)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

EnhancerClassLoader

protected EnhancerClassLoader(java.net.URL[] urls,
                   java.lang.ClassLoader loader)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(java.lang.String classpath,
                   java.util.Properties settings,
                   java.io.PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

classpath - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(java.net.URL[] urls,
                   java.util.Properties settings,
                   java.io.PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(java.lang.String classpath,
                   EnhancerMetaData metaData,
                   java.util.Properties settings,
                   java.io.PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

classpath - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(java.net.URL[] urls,
                   EnhancerMetaData metaData,
                   java.util.Properties settings,
                   java.io.PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

Method Detail

pathToURLs

public static java.net.URL[] pathToURLs(java.lang.String classpath)

addURL

protected void addURL(java.net.URL url)

Appends the specified URL to the list of URLs to search for classes and resources.

Overrides:

addURL in class java.net.URLClassLoader

Parameters:

url - the URL to be added to the search path of URLs

loadClass

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

Overrides:

loadClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException