/* * PrototypeClassLoader.java *  * Created on 2007-9-8, 18:07:02 *  * To change this template, choose Tools | Templates * and open the template in the editor. */package dyno.swing.designer.beans.code;import java.io.BufferedInputStream;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileInputStream;import java.net.URL;import java.net.URLClassLoader;/** * * @author rehte */public class PrototypeClassLoader extends URLClassLoader{    public PrototypeClassLoader(){        super(new URL[0]);    }    @Override    protected Class<?> findClass(String name) throws ClassNotFoundException {        File bufferDir=CodeSeed.getCodeBufferDir();        if(!bufferDir.exists())            throw new ClassNotFoundException(name);        String file_name=name;        String pack=null;        int dot=name.lastIndexOf(".");        if(dot!=-1){            file_name=name.substring(dot+1);            pack=name.substring(0, dot);                    }        if(pack!=null){            bufferDir=new File(bufferDir, pack.replace('.', '/'));            if(!bufferDir.exists())                throw new ClassNotFoundException(name);        }        File source=new File(bufferDir, file_name+".class");        if(!source.exists())            throw new ClassNotFoundException(name);        byte[]binaries=getBinaries(source);        if(binaries==null)            throw new ClassNotFoundException(name);        return super.defineClass(binaries, 0, binaries.length);    }    private byte[] getBinaries(File source) {        FileInputStream fis=null;        try{            fis=new FileInputStream(source);            BufferedInputStream bis=new BufferedInputStream(fis);            ByteArrayOutputStream baos=new ByteArrayOutputStream();            byte[]data=new byte[1024];            int length;            while((length=bis.read(data))>0){                baos.write(data, 0, length);            }            baos.close();            return baos.toByteArray();        }catch(Exception e){            e.printStackTrace();            return null;        }finally{            if(fis!=null){                try{                    fis.close();                }catch(Exception e){}            }        }    }    }