/*
* 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 javax.faces.webapp;
import javax.el.*;
import javax.faces.application.*;
import javax.faces.component.*;
import javax.faces.context.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
public abstract class UIComponentTag extends UIComponentClassicTagBase
implements Tag
{
private ValueExpression _binding;
private ValueExpression _rendered;
public void setBinding(String binding)
throws JspException
{
FacesContext context = FacesContext.getCurrentInstance();
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
_binding = factory.createValueExpression(context.getELContext(),
binding,
UIComponent.class);
}
protected boolean hasBinding()
{
return _binding != null;
}
public void setRendered(String rendered) {
FacesContext context = FacesContext.getCurrentInstance();
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
_rendered = factory.createValueExpression(context.getELContext(),
rendered,
boolean.class);
}
protected boolean isSuppressed()
{
return false;
}
protected void setProperties(UIComponent component)
{
if (_rendered != null)
component.setValueExpression("rendered", _rendered);
String type = getRendererType();
if (type != null)
component.setRendererType(type);
}
protected UIComponent createComponent(FacesContext context,
String newId)
{
Application app = context.getApplication();
UIComponent component;
if (_binding != null) {
component = app.createComponent(_binding, context, getComponentType());
component.setValueExpression("binding", _binding);
}
else
component = app.createComponent(getComponentType());
component.setId(getId());
setProperties(component);
return component;
}
public static UIComponentTag getParentUIComponentTag(PageContext context)
{
UIComponentClassicTagBase parent;
parent = getParentUIComponentClassicTagBase(context);
return (UIComponentTag) parent;
}
public static boolean isValueReference(String value)
{
return value.startsWith("#{") && value.endsWith("}");
}
}