Class ClassFileLoader

java.lang.Object

de.inetsoftware.jwebassembly.module.ClassFileLoader

public class ClassFileLoader
extends Object

Cache and manager for the loaded ClassFiles

Field Summary

Fields

Modifier and Type	Field	Description
private final ClassLoader	bootLoader
private final HashMap<String, ClassFile>	cache
private final ClassLoader	loader
private final HashMap<String, ClassFile>	replace

Constructor Summary

Constructors

Constructor	Description
ClassFileLoader(ClassLoader loader)	Create a new instance

Method Summary

Modifier and Type	Method	Description
void	cache(ClassFile classFile)	Add a class file to the weak cache.
ClassFile	get(String className)	Get the ClassFile from cache or load it.
(package private) void	partial(String className, ClassFile partialClassFile)	Add a partial class with the given instance to the loader cache.
(package private) void	replace(String className, ClassFile classFile)	Replace the class in the cache with the given instance to the loader cache.

Methods inherited from class Object

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

Field Details

replace

private final HashMap<String, ClassFile> replace

cache

private final HashMap<String, ClassFile> cache

loader

private final ClassLoader loader

bootLoader

private final ClassLoader bootLoader

Constructor Details

ClassFileLoader

public ClassFileLoader(ClassLoader loader)

Create a new instance

Parameters:

loader - the classloader to find the *.class files

Method Details

get

@Nullable
public ClassFile get(String className)
              throws IOException

Get the ClassFile from cache or load it.

Parameters:

className - the class name like "java/lang/Object"

Returns:

the ClassFile or null

Throws:

IOException - If any I/O error occur

cache

public void cache(@Nonnull
 ClassFile classFile)

Add a class file to the weak cache.

Parameters:

classFile - the class file

replace

void replace(String className,
 ClassFile classFile)

Replace the class in the cache with the given instance to the loader cache.

Parameters:

className - the name of the class to replace

classFile - the replacing ClassFile

partial

void partial(String className,
 ClassFile partialClassFile)
      throws IOException

Add a partial class with the given instance to the loader cache.

Parameters:

className - the name of the class to replace like "java/lang/String"

partialClassFile - the partial ClassFile

Throws:

IOException - If any I/O error occur