/*
* 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 version 2
* as published by the Free Software Foundation.
*
* 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 Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jsf.html;
import java.io.*;
import java.util.*;
import javax.el.*;
import javax.faces.*;
import javax.faces.component.*;
import javax.faces.component.html.*;
import javax.faces.context.*;
import javax.faces.convert.*;
import javax.faces.model.*;
import javax.faces.render.*;
/**
* The base renderer
*/
abstract class BaseRenderer extends Renderer
{
/**
* True if the renderer is responsible for rendering the children.
*/
@Override
public boolean getRendersChildren()
{
return true;
}
@Override
public Object getConvertedValue(FacesContext context,
UIComponent component,
Object submittedValue)
throws ConverterException
{
if (context == null || component == null)
throw new NullPointerException();
if (component instanceof ValueHolder) {
Converter converter = ((ValueHolder) component).getConverter();
if (converter != null)
return converter.getAsObject(context, component,
(String) submittedValue);
}
ValueExpression valueExpr = component.getValueExpression("value");
if (valueExpr != null) {
Class type = valueExpr.getType(context.getELContext());
if (type != null) {
Converter converter = context.getApplication().createConverter(type);
if (converter != null) {
return converter.getAsObject(context,
component,
(String) submittedValue);
}
}
}
return submittedValue;
}
protected String toString(FacesContext context,
UIComponent component,
Object value)
{
if (component instanceof ValueHolder) {
Converter converter = ((ValueHolder) component).getConverter();
if (converter != null) {
String result = converter.getAsString(context, component, value);
return result;
}
}
if (value != null)
return value.toString();
else
return "";
}
public String toString()
{
return getClass().getName() + "[]";
}
}