Observations

    /** {@inheritDoc} */
    public final boolean equals(Object obj) {
        if(obj == this){
            return true;
        }
        
        return super.equals(obj);
    }

public class Object {
...
    public boolean equals(Object obj) {
        return (this == obj);
    }

    // temporary, used by RSACipher and RSAPadding. Move this somewhere else
    public static byte[] convert(byte[] b, int ofs, int len) {
        if ((ofs == 0) && (len == b.length)) {
            return b;
        } else {
            byte[] t = new byte[len];
            System.arraycopy(b, ofs, t, 0, len);
            return t;
        }
    }

    /**
     * The filter will be used in case the URL of the request contains the DEFAULT_FILTER_URL.
     *
     * @param request request used to determine whether to enable this filter
     * @return true if this filter should be used
     */
    protected boolean processFilter(HttpServletRequest request) {
        return SAMLUtil.processFilter(filterProcessesUrl, request);
    }

public static curry<X,Y,Z>(final Function2<X,Y,Z> f) {
  return new Function<X,Function<Y,Z>>() {
    public Function<Y,Z> apply(final X x) { 
      return new Function<Y,Z>() {
        public Z apply(Y y) { 
          return f(x,y) 
        }
      }
    }
  }
}