/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Alex Rojkov
*/
package javax.faces.validator;
import javax.faces.context.FacesContext;
import javax.faces.component.UIComponent;
import javax.faces.component.StateHolder;
import javax.el.MethodExpression;
import javax.el.ELException;
public class MethodExpressionValidator
implements Validator, StateHolder
{
private MethodExpression _expression;
private boolean _transient;
public MethodExpressionValidator()
{
}
public MethodExpressionValidator(MethodExpression expression)
{
_expression = expression;
}
public void validate(FacesContext context,
UIComponent component,
Object value)
throws ValidatorException
{
try {
_expression.invoke(
context.getELContext(),
new Object []{context, component, value}
);
}
catch (ELException e) {
Throwable t = e.getCause();
if (t instanceof ValidatorException) {
throw (ValidatorException) t;
}
throw e;
}
}
public Object saveState(FacesContext context)
{
return _expression;
}
public void restoreState(FacesContext context, Object state)
{
_expression = (MethodExpression) state;
}
public boolean isTransient()
{
return _transient;
}
public void setTransient(boolean isTransient)
{
_transient = isTransient;
}
}