wt.workflow.definer
Class WfExpressionLoader

java.lang.Object
  java.lang.ClassLoader
      wt.workflow.definer.WfExpressionLoader

All Implemented Interfaces:

Serializable

public class WfExpressionLoader

extends ClassLoader

implements Serializable

Loader used to load classes associated with the workflow expressions.

Supported API: false

Extendable: false

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.lang.ClassLoader

Field Summary

private static String	CLASSNAME
static String	CODEBASE Codebase directory.
static String	EXPR_PACKAGE Name of the package where the class files associated with the expressions are stored.
private static Hashtable	exprCache
private static String	RESOURCE
static boolean	VERBOSE

Fields inherited from class java.lang.ClassLoader

Constructor Summary

WfExpressionLoader()

Method Summary

protected static Class	getClass(String name)
Class	loadClass(String name, boolean resolve) Overrides ClassLoader method to specialize the loading of workflow expressions.
private byte[]	loadClassData(String name) Retrieves a byte array with the class corresponding to name.

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, definePackage, findClass, 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

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

EXPR_PACKAGE

public static final String EXPR_PACKAGE

Name of the package where the class files associated with the expressions are stored.

Supported API: false

CODEBASE

public static final String CODEBASE

Codebase directory.

Supported API: false

VERBOSE

public static final boolean VERBOSE

exprCache

private static Hashtable exprCache

Constructor Detail

WfExpressionLoader

public WfExpressionLoader()

Method Detail

loadClass

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

Overrides ClassLoader method to specialize the loading of workflow expressions. All names that don't correspond to workflow expressions are processed using "findSystemClass" method.

Supported API: false

Parameters:

name -

resolve -

Returns:

Class

Throws:

ClassNotFoundException

loadClassData

private byte[] loadClassData(String name)
                      throws ClassNotFoundException

Retrieves a byte array with the class corresponding to name. Only called for workflow expressions.

Parameters:

name -

Returns:

byte[]

Throws:

ClassNotFoundException

getClass

protected static Class getClass(String name)
                         throws ClassNotFoundException

Throws:

ClassNotFoundException