harpoon.ClassFile
Class Loader

java.lang.Object
  harpoon.ClassFile.Loader

public abstract class Loader
extends Object

Class file loader. Looks through CLASSPATH to find resources. Understands .jar and .zip files. Platform-independent (hopefully).

Version:

$Id: Loader.java,v 1.18 2005/08/09 21:06:49 salcianu Exp $

Author:

C. Scott Ananian <cananian@alumni.princeton.edu>

Field Summary

static HCodeFactory	systemCodeFactory System code factory: this code factory will return bytecode representations for classes loaded via the system linker.
static Linker	systemLinker System-linker: the class names resolved by this linker are always immutable and identical to those on disk.
static boolean	VERBOSE

Constructor Summary

Loader()

Method Summary

static Iterator	classpaths() Iterate over the components of the system CLASSPATH.
static String	classToResource(String classname) Translate a class name into a corresponding resource name.
static InputStream	getResourceAsStream(String name) Open an InputStream on a resource found somewhere in the CLASSPATH.
static Iterator	listClasses(String packagename) Returns an iterator of Strings naming the available classes in the given package which are on the classpath.

Methods inherited from class java.lang.Object

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

Field Detail

VERBOSE

public static boolean VERBOSE

systemLinker

public static final Linker systemLinker

System-linker: the class names resolved by this linker are always immutable and identical to those on disk.

systemCodeFactory

public static final HCodeFactory systemCodeFactory

System code factory: this code factory will return bytecode representations for classes loaded via the system linker.

Constructor Detail

Loader

public Loader()

Method Detail

classpaths

public static final Iterator classpaths()

Iterate over the components of the system CLASSPATH. Each element is a String naming one segment of the CLASSPATH.

classToResource

public static String classToResource(String classname)

Translate a class name into a corresponding resource name.

Parameters:

classname - The class name to translate.

getResourceAsStream

public static InputStream getResourceAsStream(String name)

Open an InputStream on a resource found somewhere in the CLASSPATH.

Parameters:

name - The filename of the resource to locate.

listClasses

public static Iterator listClasses(String packagename)

Returns an iterator of Strings naming the available classes in the given package which are on the classpath.