import java.lang.*;
import java.net.*;
import java.util.*;
import java.io.*;

public class JPEClassloader extends ClassLoader {
private Hashtable cache = new Hashtable();

private Hashtable ourclasses=new Hashtable();
private boolean ours=false;
private String newname;

private int netloaded=0,netfailed=0;
private int diskloaded=0,diskfailed=0;
private int sysloaded=0,sysfailed=0;


	public JPEClassloader() {
	}

	public synchronized Class loadClass(String name, boolean resolve) {
		Class c = (Class) cache.get(name);

		if (c==null) { 
			byte data[] =loadClassfile(name);
			//System.out.println("DATA1="+data);
			if (data!=null) {
				//System.out.println("DATA2="+data);
				try {
					c=defineClass(data,0,data.length);
					//System.out.println("CLASS="+c);
					if (c!=null) {
						cache.put(name,c);
						cache.put(c.getName(),c);
					}
				} catch(Exception e) {
					System.out.println("PJEClassloader: Can't load systemclass "+e);
					e.printStackTrace();
				}
			} else {
				try {
					c=findSystemClass(name);
				} catch(Exception e) {
					System.out.println("PJEClassloader2 : Can't load systemclass "+e);
					e.printStackTrace();
				}
			}
		}
		return(c);
	}

	
	private Class defineClass(String name, byte data[],boolean resolve) {
		System.out.println("HoofdClassloader="+name);
		Class c=null;
		if (data!=null) {
			try {
				// For 1.1 this should be :
				c=defineClass(data,0,data.length);
			} catch (ArrayIndexOutOfBoundsException a) {
				System.out.println("JPEClassloader: Class ["+name+"] could not be loaded"); 
			}
			System.out.println("Bla3");
			if (resolve) resolveClass(c);
		}
		if (c!=null) {
			// Always store package name as well
			cache.put(c.getName(),c);
			cache.put(name,c); // Overwrites previous put in case of name being the package name
			// System.out.println("Added default class : "+name);	
		}
		return c;
	}
	

	/**
	 * Load a class from disk
	 */
	private byte[] loadClassfile(String name) {
		FileInputStream scan = null;
		File scanfile=null;
	 	int filesize=0;
		byte data[]=null;

		if (name.indexOf(".class")==-1) {
			//System.out.println("NAME1="+name);
			name=name.replace('.',File.separatorChar);
			//System.out.println("NAME2="+name);
			name="c:\\MJC\\"+name+".class";
			//System.out.println("NAME3="+name);
		}

		try { 
			scanfile = new File(name); 
		} catch(Exception e) { 
			return(null);
		}
		try {
			scan = new FileInputStream(scanfile);
		} catch(Exception e) {
			return(null);
		}
		try {
			filesize = (int)scanfile.length();
		} catch (Exception e) {
			System.out.println("JPEClassLoader: Can't determine filesize : "+name);
			return(null);
		}
		data = new byte[filesize];
		try {
			scan.read(data,0,filesize);
		} catch(Exception e) {
			System.out.println("JPEClassLoader: Can't read from : "+name);	
		}
		return(data);
	}


}