javassist.util.proxy
Class FactoryHelper

java.lang.Object
  extended by javassist.util.proxy.FactoryHelper

public class FactoryHelper
extends java.lang.Object

A helper class for implementing ProxyFactory. The users of ProxyFactory do not have to see this class.

See Also:
ProxyFactory

Field Summary
static int[] dataSize
          The data size of primitive types.
static java.lang.Class[] primitiveTypes
          Class objects representing primitive types.
static java.lang.String[] unwarpMethods
          The names of methods for obtaining a primitive value from a wrapper object.
static java.lang.String[] unwrapDesc
          The descriptors of the unwrapping methods contained in unwrapMethods.
static java.lang.String[] wrapperDesc
          The descriptors of the constructors of wrapper classes.
static java.lang.String[] wrapperTypes
          The fully-qualified names of wrapper classes for primitive types.
 
Constructor Summary
FactoryHelper()
           
 
Method Summary
static java.lang.Class toClass(ClassFile cf, java.lang.ClassLoader loader)
          Loads a class file by a given class loader.
static java.lang.Class toClass(ClassFile cf, java.lang.ClassLoader loader, java.security.ProtectionDomain domain)
          Loads a class file by a given class loader.
static int typeIndex(java.lang.Class type)
          Returns an index for accessing arrays in this class.
static void writeFile(ClassFile cf, java.lang.String directoryName)
          Writes a class file.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

primitiveTypes

public static final java.lang.Class[] primitiveTypes
Class objects representing primitive types.


wrapperTypes

public static final java.lang.String[] wrapperTypes
The fully-qualified names of wrapper classes for primitive types.


wrapperDesc

public static final java.lang.String[] wrapperDesc
The descriptors of the constructors of wrapper classes.


unwarpMethods

public static final java.lang.String[] unwarpMethods
The names of methods for obtaining a primitive value from a wrapper object. For example, intValue() is such a method for obtaining an integer value from a java.lang.Integer object.


unwrapDesc

public static final java.lang.String[] unwrapDesc
The descriptors of the unwrapping methods contained in unwrapMethods.


dataSize

public static final int[] dataSize
The data size of primitive types. long and double are 2; the others are 1.

Constructor Detail

FactoryHelper

public FactoryHelper()
Method Detail

typeIndex

public static final int typeIndex(java.lang.Class type)
Returns an index for accessing arrays in this class.

Throws:
java.lang.RuntimeException - if a given type is not a primitive type.

toClass

public static java.lang.Class toClass(ClassFile cf,
                                      java.lang.ClassLoader loader)
                               throws CannotCompileException
Loads a class file by a given class loader. This method uses a default protection domain for the class but it may not work with a security manager or a sigend jar file.

Throws:
CannotCompileException
See Also:
toClass(ClassFile,ClassLoader,ProtectionDomain)

toClass

public static java.lang.Class toClass(ClassFile cf,
                                      java.lang.ClassLoader loader,
                                      java.security.ProtectionDomain domain)
                               throws CannotCompileException
Loads a class file by a given class loader.

Parameters:
domain - if it is null, a default domain is used.
Throws:
CannotCompileException
Since:
3.3

writeFile

public static void writeFile(ClassFile cf,
                             java.lang.String directoryName)
                      throws CannotCompileException
Writes a class file.

Throws:
CannotCompileException


Javassist, a Java-bytecode translator toolkit.
Copyright (C) 1999-2006 Shigeru Chiba. All Rights Reserved.