public MethodBindingMethodExpressionAdapter() 
{

}

 public MethodBindingMethodExpressionAdapter(MethodExpression methodExpression) 
{
        this.methodExpression = methodExpression;
}

 public boolean equals(Object other) 
{
        if (this == other) {
            return true;       
        }
        if (other instanceof MethodBindingMethodExpressionAdapter) {
            return methodExpression.equals(((MethodBindingMethodExpressionAdapter) other).getWrapped());                        
        } else if (other instanceof MethodBinding) {
            MethodBinding binding = (MethodBinding) other;
            // We'll need to do a little leg work to determine
            // if the MethodBinding is equivalent to the 
            // wrapped MethodExpression
            String expr = binding.getExpressionString();
            int idx = expr.indexOf('.");
            String target = expr.substring(0, idx).substring(2);
            String t = expr.substring(idx + 1);
            String method = t.substring(0, (t.length() - 1));
            FacesContext context = FacesContext.getCurrentInstance();
            ELContext elContext = context.getELContext();
            MethodInfo controlInfo = methodExpression.getMethodInfo(elContext);
            // ensure the method names are the same
            if (!controlInfo.getName().equals(method)) {
                return false;
            }
            // Using the target, create an expression and evaluate
            // it.           
            ExpressionFactory factory = context.getApplication().getExpressionFactory();
            ValueExpression ve = factory.createValueExpression(elContext,
                                                               "#{" + target + '}",
                                                               Object.class);
            if (ve == null) {
                return false;                                                               
            }
            Object result = ve.getValue(elContext);
            if (result == null) {
                return false;
            }
            // Get all of the methods with the matching name and try
            // to find a match based on controlInfo's return and parameter
            // types
            Class type = binding.getType(context);
            Method[] methods = result.getClass().getMethods();
            for (Method meth : methods) {
                if (meth.getName().equals(method)
                     && type.equals(controlInfo.getReturnType())
                     && Arrays.equals(meth.getParameterTypes(), 
                                      controlInfo.getParamTypes())) {
                    return true;                      
                }
            }
        }
        return false;
}

 public String getExpressionString() 
{
	assert(null != methodExpression);
        return methodExpression.getExpressionString();
}

 public Class getType(FacesContext context) throws MethodNotFoundException 
{
	assert(null != methodExpression);
	if (context == null) {
	        throw new NullPointerException("FacesConext - > null");
    }
	Class result = null;
        if ( context == null ) {
            throw new NullPointerException();
        }
	try {
	    MethodInfo mi = 
		methodExpression.getMethodInfo(context.getELContext());
	    result = mi.getReturnType();
	}
	catch (javax.el.PropertyNotFoundException e) {
	    throw new javax.faces.el.MethodNotFoundException(e);
	}
	catch (javax.el.MethodNotFoundException e) {
	    throw new javax.faces.el.MethodNotFoundException(e);
	}
	catch (ELException e) {
	    throw new javax.faces.el.MethodNotFoundException(e);
	}
	return result;
}

 public MethodExpression getWrapped() 
{
        return methodExpression;
}

 public int hashCode() 
{
	assert(null != methodExpression);
	return methodExpression.hashCode();
}

 public Object invoke(FacesContext context,
    Object[] params) throws MethodNotFoundException, EvaluationException 
{
	assert(null != methodExpression);
        if ( context == null ) {
            throw new NullPointerException("FacesConext - > null");
        }
	Object result = null;
	try {
	    result = methodExpression.invoke(context.getELContext(),
					     params);
	}
	catch (javax.el.MethodNotFoundException e) {
	    throw new javax.faces.el.MethodNotFoundException(e);
	}
	catch (javax.el.PropertyNotFoundException e) {
	    throw new EvaluationException(e);
	}
	catch (ELException e) {
            Throwable cause = e.getCause();
            if (cause == null) {
                cause = e;
            }
            throw new EvaluationException(cause);
	} catch (NullPointerException e) {
	    throw new javax.faces.el.MethodNotFoundException(e);
	}
	return result;
}

 public boolean isTransient() 
{
        return this.tranzient;
}

 public  void restoreState(FacesContext context,
    Object state) 
{
	// if we have state
	if (null == state) {
	    return;
	}
	if (!(state instanceof MethodExpression)) {
	    Object [] stateStruct = (Object []) state;
	    Object savedState = stateStruct[0];
	    String className = stateStruct[1].toString();
	    MethodExpression result = null;
	    Class toRestoreClass = null;
	    if (null != className) {
		try {
		    toRestoreClass = loadClass(className, this);
		}
		catch (ClassNotFoundException e) {
		    throw new IllegalStateException(e.getMessage());
		}
		if (null != toRestoreClass) {
		    try {
			result = 
			    (MethodExpression) toRestoreClass.newInstance();
		    }
		    catch (InstantiationException e) {
			throw new IllegalStateException(e.getMessage());
		    }
		    catch (IllegalAccessException a) {
			throw new IllegalStateException(a.getMessage());
		    }
		}
		if (null != result && null != savedState) {
		    // don't need to check transient, since that was
		    // done on the saving side.
		    ((StateHolder)result).restoreState(context, savedState);
		}
		methodExpression = result;
	    }
	}
	else {
	    methodExpression = (MethodExpression) state;
	}
}

 public Object saveState(FacesContext context) 
{
	Object result = null;
	if (!tranzient) {
	    if (methodExpression instanceof StateHolder) {
		Object [] stateStruct = new Object[2];
		// save the actual state of our wrapped methodExpression
		stateStruct[0] = ((StateHolder)methodExpression).saveState(context);
		// save the class name of the methodExpression impl
		stateStruct[1] = methodExpression.getClass().getName();
		result = stateStruct;
	    }
	    else {
		result = methodExpression;
	    }
	}
	return result;
}

 public  void setTransient(boolean tranzient) 
{
        this.tranzient = tranzient;
}