com.adventnet.builder.loader
Class SimpleClassLoader

java.lang.Object
  |
  +--java.lang.ClassLoader
        |
        +--com.adventnet.builder.loader.BaseClassLoader
              |
              +--com.adventnet.builder.loader.SimpleClassLoader

Direct Known Subclasses:

MultiJarLoader, SingleJarLoader

public abstract class SimpleClassLoader

extends BaseClassLoader

Field Summary

static int

NUM_OF_HASHTABLES_SCL

Fields inherited from class com.adventnet.builder.loader.BaseClassLoader

cookie, localResourceDirectory, parent, urlPrefix

Constructor Summary

SimpleClassLoader(java.lang.String cookieArg, java.lang.String dirArg, BaseClassLoader parentArg)
Create a SimpleClassLoader.

SimpleClassLoader(java.lang.String cookieArg, java.lang.String dirArg, BaseClassLoader parentArg, java.util.Hashtable[] htArr)

Method Summary

void	addNewJarInfo(JarInfo jarInfoArg)
protected java.lang.Class	applyDefinition(java.lang.String name, boolean resolve) Define (& link) a class based on what was acquired previously in the JAR file Should catch all exceptions and return non-null iff definition is valid
void	defineClassFromBytes(java.lang.String nameArg, byte[] bufArg, JarInfo jarInfoArg) Set some bytecodes as a definition for a class.
void	getHashtables(java.util.Hashtable[] htArr)
javax.swing.ImageIcon	getImageIcon(java.lang.String classNameArg)
static java.util.Vector	getJarFilesUsedVector(java.lang.Class clsArg, SimpleClassLoader defaultLoaderArg)
JarInfo	getJarInfo(java.lang.String classNameArg)
java.net.URL	getLocalResource(java.lang.String name) Return a URL to the desired resource.
protected java.lang.Object	getLocalResourceAsObject(java.lang.String name)
protected java.io.InputStream	getLocalResourceAsStream(java.lang.String name)
boolean	hasClass(java.lang.String classNameArg)
java.lang.Object	instantiate(java.lang.String name, InputStreamProducer isp) Interface to Beans.instantiate.
java.lang.Class	loadClass(java.lang.String name, boolean resolve) This is the main method for ClassLoaders, that is being redefined
java.lang.Class	loadClassIfPresent(java.lang.String classNameArg, boolean resolveArg)
protected void	setBeanJarInfo(java.lang.String nameArg, JarInfo beanJarInfoArg)
void	setLocalResourceSource(java.lang.String name, InputStreamProducer isp) Assign an InputStream as the source for a given property name This value comes first after the system resources

Methods inherited from class com.adventnet.builder.loader.BaseClassLoader

addChildLoader, addToLoadersHt, createURL, getLoader, getLocalResource, getLocalResourceAsStream, getParentLoader, getResource, getResourceAsStream, loadClass, loadMostRecentClassDef, removeChildLoader, removeFromReckoning, toString

Methods inherited from class java.lang.ClassLoader

defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getPackage, getPackages, getParent, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, resolveClass, setSigners

Methods inherited from class java.lang.Object

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

Field Detail

NUM_OF_HASHTABLES_SCL

public static final int NUM_OF_HASHTABLES_SCL

Constructor Detail

SimpleClassLoader

public SimpleClassLoader(java.lang.String cookieArg,
                         java.lang.String dirArg,
                         BaseClassLoader parentArg)

Create a SimpleClassLoader. It is identified by a cookie string

SimpleClassLoader

public SimpleClassLoader(java.lang.String cookieArg,
                         java.lang.String dirArg,
                         BaseClassLoader parentArg,
                         java.util.Hashtable[] htArr)

Method Detail

defineClassFromBytes

public void defineClassFromBytes(java.lang.String nameArg,
                                 byte[] bufArg,
                                 JarInfo jarInfoArg)

Set some bytecodes as a definition for a class. Do not actually define the class until later

applyDefinition

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

Define (& link) a class based on what was acquired previously in the JAR file Should catch all exceptions and return non-null iff definition is valid

loadClass

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

This is the main method for ClassLoaders, that is being redefined

Overrides:

loadClass in class BaseClassLoader

Throws:

java.lang.ClassNotFoundException - if the class could not be found.

loadClassIfPresent

public java.lang.Class loadClassIfPresent(java.lang.String classNameArg,
                                          boolean resolveArg)
                                   throws java.lang.ClassNotFoundException

Overrides:

loadClassIfPresent in class BaseClassLoader

hasClass

public final boolean hasClass(java.lang.String classNameArg)

instantiate

public java.lang.Object instantiate(java.lang.String name,
                                    InputStreamProducer isp)
                             throws java.lang.ClassNotFoundException,
                                    java.io.IOException

Interface to Beans.instantiate. Name is that of the bean. The stream producer provides the serialized representation of the bean

getJarFilesUsedVector

public static java.util.Vector getJarFilesUsedVector(java.lang.Class clsArg,
                                                     SimpleClassLoader defaultLoaderArg)

getHashtables

public void getHashtables(java.util.Hashtable[] htArr)

addNewJarInfo

public void addNewJarInfo(JarInfo jarInfoArg)

getJarInfo

public JarInfo getJarInfo(java.lang.String classNameArg)

getImageIcon

public javax.swing.ImageIcon getImageIcon(java.lang.String classNameArg)

setLocalResourceSource

public void setLocalResourceSource(java.lang.String name,
                                   InputStreamProducer isp)

Assign an InputStream as the source for a given property name This value comes first after the system resources

setBeanJarInfo

protected void setBeanJarInfo(java.lang.String nameArg,
                              JarInfo beanJarInfoArg)

getLocalResource

public java.net.URL getLocalResource(java.lang.String name)

Return a URL to the desired resource.

Overrides:

getLocalResource in class BaseClassLoader

getLocalResourceAsStream

protected final java.io.InputStream getLocalResourceAsStream(java.lang.String name)

Overrides:

getLocalResourceAsStream in class BaseClassLoader

getLocalResourceAsObject

protected final java.lang.Object getLocalResourceAsObject(java.lang.String name)

Overrides:

getLocalResourceAsObject in class BaseClassLoader