package javaDisassembly;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import Util.AccessGetter;

import attribute_info.attribute_info;

import cp_info.*;

public class ClassFile {

public u4 magic;

public u2 minor_version;

public u2 major_version;

public u2 constant_pool_count;

public cp_info[] constant_pool;

public u2 access_flags;

public u2 this_class;

public u2 super_class;

public u2 interfaces_count;

public u2[] interfaces;

public u2 fields_count;

public field_info[] fields;

public u2 methods_count;

public method_info[] methods;

public u2 attributes_count;

public attribute_info[] attributes;

public ClassFile(String Path) throws IOException {

FileInputStream fis = new FileInputStream(new File (Path));

magic = new u4(fis);

minor_version = new u2(fis);

major_version = new u2(fis);

constant_pool_count = new u2(fis);

constant_pool = new cp_info[constant_pool_count.d - 1];

for (int i = 0; i < constant_pool_count.d - 1; i++) {

constant_pool[i] = cpReader.readNext(fis);

}

access_flags = new u2(fis);

this_class = new u2(fis);

super_class = new u2(fis);

interfaces_count = new u2(fis);

interfaces = new u2[interfaces_count.d];

for (int i = 0; i < interfaces_count.d; i++) {

interfaces[i] = new u2(fis);

}

fields_count = new u2(fis);

fields = new field_info[fields_count.d];

for (int i = 0; i < fields_count.d; i++)

{

fields[i] = new field_info(fis, constant_pool);

}

fis.close();

}

public void printMe() {

System.out.println("magic : " + magic.toString()); // normal must be cafe babe

System.out.println("minor : " + minor_version.d);

System.out.println("major : " + major_version.d);

System.out.println("pool count : " + constant_pool_count.d);

System.out.println("------------ start of pool -------------");

for (int i = 0; i < constant_pool_count.d - 1; i++) {

System.out.println("" + (i+1) + " : " + constant_pool[i].toString());

}

System.out.println("------------ end of pool ---------------");

System.out.print(AccessGetter.get(access_flags.d));

CONSTANT_Class_Info thisclass = (CONSTANT_Class_Info) (constant_pool[this_class.d - 1]);

CONSTANT_Class_Info superclass = (CONSTANT_Class_Info) (constant_pool[super_class.d - 1]);;

System.out.print(((CONSTANT_Utf8_Info) constant_pool[thisclass.name_index.d - 1]).value + " extends ");

System.out.print(((CONSTANT_Utf8_Info) constant_pool[superclass.name_index.d - 1]).value + " implements ");

for (int i = 0; i < interfaces_count.d; i++) {

CONSTANT_Utf8_Info interfaceAct =(CONSTANT_Utf8_Info) constant_pool[interfaces[i].d];

System.out.print(interfaceAct.value);

}

System.out.println();

System.out.println("{");

for (int i = 0; i < fields_count.d; i++)

{

System.out.println("\t" + i + " : " + fields[i]);

}

System.out.println("}");

}

public static void main(String...strings) throws IOException {

ClassFile cf = new ClassFile("D:/Projets/javaBin/desassembleur/test.class");

cf.printMe();

}

}