public ValueBindingValueExpressionAdapter() 
{

}

 ValueBindingValueExpressionAdapter(ValueExpression valueExpression) 
{
        this.valueExpression = valueExpression;
}

 public boolean equals(Object other) 
{
    
        if (other == this) {
            return true;
        }
        if (other instanceof ValueBindingValueExpressionAdapter) {
            ValueExpression expr = 
                ((ValueBindingValueExpressionAdapter) other).getWrapped();
            return (valueExpression.equals(expr));
        } else if (other instanceof ValueBinding) {
            FacesContext context = FacesContext.getCurrentInstance();
            ValueBinding otherVB = (ValueBinding) other;
            Class type = otherVB.getType(context);
            if (type != null) {
                return type.equals(valueExpression.getType(context.getELContext()));               
            }            
        }
        return false;
}

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

 public Class getType(FacesContext context) throws EvaluationException, PropertyNotFoundException 
{
            
        if (context == null) {
	        throw new NullPointerException("FacesContext - > null");
        }
        Class result = null;
        try {
            result = valueExpression.getType(context.getELContext());
        } catch (javax.el.PropertyNotFoundException pnfe) {
            throw new PropertyNotFoundException(pnfe);
        } catch (ELException elex) {
            throw new EvaluationException(elex);
        } 
        return result;
}

 public Object getValue(FacesContext context) throws EvaluationException, PropertyNotFoundException 
{
        if (context == null) {
	        throw new NullPointerException("FacesContext - > null");
        }
        Object result = null;
        try {
            result = valueExpression.getValue(context.getELContext());
        } catch (javax.el.PropertyNotFoundException pnfe) {
            throw new PropertyNotFoundException(pnfe);
        } catch (ELException elex) {
            throw new EvaluationException(elex);
        }
        return result;
}

 public ValueExpression getWrapped() 
{
        return valueExpression;
}

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

 public boolean isReadOnly(FacesContext context) throws EvaluationException, PropertyNotFoundException 
{
            
        if (context == null) {
	        throw new NullPointerException("FacesContext - > null");
        }
        boolean result = false;
        try {
            result = valueExpression.isReadOnly(context.getELContext());
        } catch (ELException elex) {
            throw new EvaluationException(elex);
        }
        return result;
}

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

 public  void restoreState(FacesContext context,
    Object state) 
{
        if (context == null) {
            throw new NullPointerException();
        }
	// if we have state
	if (null == state) {
	    return;
	}
	if (!(state instanceof ValueExpression)) {
	    Object [] stateStruct = (Object []) state;
	    Object savedState = stateStruct[0];
	    String className = stateStruct[1].toString();
	    ValueExpression 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 = 
			    (ValueExpression) 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);
		}
		valueExpression = result;
	    }
	}
	else {
	    valueExpression = (ValueExpression) state;
	}
}

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

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

 public  void setValue(FacesContext context,
    Object value) throws EvaluationException, PropertyNotFoundException 
{
            
        if (context == null) {
	        throw new NullPointerException("FacesContext - > null");
        }
        try {
            valueExpression.setValue(context.getELContext(), value);
        } catch (javax.el.PropertyNotFoundException pnfe) {
            throw new PropertyNotFoundException(pnfe);
        } catch (javax.el.PropertyNotWritableException pnwe) {
            throw new PropertyNotFoundException(pnwe);
        } catch (ELException elex) {
            throw new EvaluationException(elex);
        }
}