org.gjt.jclasslib.io
Class ClassFileReader

java.lang.Object
  |
  +--org.gjt.jclasslib.io.ClassFileReader

public class ClassFileReader

extends Object

Converts class files to a class file structure ClassFile as defined in org.gjt.jclasslib.structures.

Version:

$Revision: 1.7 $ $Date: 2003/08/18 07:58:12 $

Author:

Ingo Kegel

Method Summary

static void	main(String[] args) Test method.
static ClassFile	readFromClassPath(String[] classPath, String packageName, String className) Looks up a class file in the specified class path and converts it to a ClassFile structure.
static ClassFile	readFromFile(File file) Converts a class file to a ClassFile structure.
static ClassFile	readFromInputStream(InputStream is) Converts a class file to a ClassFile structure.

Methods inherited from class java.lang.Object

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

Method Detail

readFromClassPath

public static ClassFile readFromClassPath(String[] classPath,
                                          String packageName,
                                          String className)
                                   throws InvalidByteCodeException,
                                          IOException

Looks up a class file in the specified class path and converts it to a ClassFile structure.

Parameters:

classPath - the class path from which to read the ClassFile structure

packageName - the name of the package in which the class resides

className - the simple name of the class

Returns:

the new ClassFile structure or null if it cannot be found

Throws:

InvalidByteCodeException - if the code is invalid

IOException - if an exception occurs while reading the file

readFromFile

public static ClassFile readFromFile(File file)
                              throws InvalidByteCodeException,
                                     IOException

Converts a class file to a ClassFile structure.

Parameters:

file - the file from which to read the ClassFile structure

Returns:

the new ClassFile structure

Throws:

InvalidByteCodeException - if the code is invalid

IOException - if an exception occurs while reading the file

readFromInputStream

public static ClassFile readFromInputStream(InputStream is)
                                     throws InvalidByteCodeException,
                                            IOException

Converts a class file to a ClassFile structure.

Parameters:

is - the input stream from which to read the ClassFile structure

Returns:

the new ClassFile structure

Throws:

InvalidByteCodeException - if the code is invalid

IOException - if an exception occurs while reading from the input stream

main

public static void main(String[] args)
                 throws Exception

Test method.

Parameters:

args - arguments

Throws:

Exception