public Class loadClass()

in extscript-core-root/extscript-core/src/main/java/org/apache/myfaces/extensions/scripting/core/engine/ThrowAwayClassloader.java [78:137]
52 lines of code
10 McCabe index (conditional complexity)

    public Class<?> loadClass(String className) throws ClassNotFoundException
    {
        ClassResource res = (ClassResource) WeavingContext.getInstance().getResource(className);
        if (res == null) return super.loadClass(className);
        if (!res.isTainted() && res.getAClass() != null) return res.getAClass();
        File target = resolveClassFile(className);
        //a load must happen anyway because the target was recompiled
        int fileLength;
        byte[] fileContent;
        FileInputStream iStream = null;
        //we cannot load while a compile is in progress
        //we have to wait until it is one
        try
        {
            fileLength = (int) target.length();
            fileContent = new byte[fileLength];
            iStream = new FileInputStream(target);
            int result = iStream.read(fileContent);
            _logger.log(Level.FINER, "read {0} bytes", String.valueOf(result));
        }
        catch (FileNotFoundException e)
        {
            throw new ClassNotFoundException(e.toString());
        }
        catch (IOException e)
        {
            throw new ClassNotFoundException(e.toString());
        }
        finally
        {
            if (iStream != null)
            {
                try
                {
                    iStream.close();
                }
                catch (Exception e)
                {
                    Logger log = Logger.getLogger(this.getClass().getName());
                    log.log(SEVERE, "", e);
                }
            }
        }
        //here we use trick17 we can store as many classes of the same name
        //as long as we store with a new classloader every time it needs refresh
        //we need to do it because the classloader can call itself recursively
        //TODO we might run into issues here with inner classes
        Class retVal;
        if (res != null) {
            retVal = (new ThrowAwayClassloader(getParent(),_untaint)).defineClass(className, fileContent, 0, fileLength);
            if(_untaint) {
                res.setAClass(retVal);
                res.setTainted(false);
            }
        } else {
            retVal = super.defineClass(className, fileContent, 0, fileLength);
        }
        return retVal;

    }