com.sun.jdo.api.persistence.enhancer
Class EnhancerClassLoader

java.lang.Object
  java.lang.ClassLoader
      java.security.SecureClassLoader
          java.net.URLClassLoader
              com.sun.jdo.api.persistence.enhancer.EnhancerClassLoader

public class EnhancerClassLoader
extends URLClassLoader

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

Author:

Yury Kamen

Field Summary

static String	DO_SIMPLE_TIMING
static String	VERBOSE_LEVEL
static String	VERBOSE_LEVEL_DEBUG
static String	VERBOSE_LEVEL_QUIET
static String	VERBOSE_LEVEL_VERBOSE
static String	VERBOSE_LEVEL_WARN

Constructor Summary

	EnhancerClassLoader(String classpath, JDOMetaData metaData, Properties settings, PrintWriter out) Creates a new EnhancerClassLoader for the specified url.
	EnhancerClassLoader(String classpath, Properties settings, PrintWriter out) Creates a new EnhancerClassLoader for the specified url.
protected	EnhancerClassLoader(URL[] urls) Creates a new EnhancerClassLoader for the specified url.
protected	EnhancerClassLoader(URL[] urls, ClassLoader loader) Creates a new EnhancerClassLoader for the specified url.
	EnhancerClassLoader(URL[] urls, JDOMetaData metaData, Properties settings, PrintWriter out) Creates a new EnhancerClassLoader for the specified url.
	EnhancerClassLoader(URL[] urls, Properties settings, PrintWriter out) Creates a new EnhancerClassLoader for the specified url.

Method Summary

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

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, 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_SIMPLE_TIMING

public static final String DO_SIMPLE_TIMING

See Also:

Constant Field Values

VERBOSE_LEVEL

public static final String VERBOSE_LEVEL

See Also:

Constant Field Values

VERBOSE_LEVEL_QUIET

public static final String VERBOSE_LEVEL_QUIET

See Also:

Constant Field Values

VERBOSE_LEVEL_WARN

public static final String VERBOSE_LEVEL_WARN

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Constant Field Values

VERBOSE_LEVEL_VERBOSE

public static final String VERBOSE_LEVEL_VERBOSE

See Also:

Constant Field Values

VERBOSE_LEVEL_DEBUG

public static final String VERBOSE_LEVEL_DEBUG

See Also:

Constant Field Values

Constructor Detail

EnhancerClassLoader

protected EnhancerClassLoader(URL[] urls)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

EnhancerClassLoader

protected EnhancerClassLoader(URL[] urls,
                              ClassLoader loader)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(String classpath,
                           Properties settings,
                           PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

classpath - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(URL[] urls,
                           Properties settings,
                           PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(String classpath,
                           JDOMetaData metaData,
                           Properties settings,
                           PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

classpath - the classpath to search

EnhancerClassLoader

public EnhancerClassLoader(URL[] urls,
                           JDOMetaData metaData,
                           Properties settings,
                           PrintWriter out)

Creates a new EnhancerClassLoader for the specified url.

Parameters:

urls - the classpath to search

Method Detail

pathToURLs

public static URL[] pathToURLs(String classpath)

addURL

protected void addURL(URL url)

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

Overrides:

addURL in class URLClassLoader

Parameters:

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

loadClass

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

Overrides:

loadClass in class ClassLoader

Throws:

ClassNotFoundException