/*
* Copyright 2010 Lincoln Baxter, III
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.ocpsoft.pretty.faces.component;
import javax.el.ExpressionFactory;
import javax.el.ValueExpression;
import javax.faces.application.Application;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.webapp.UIComponentELTag;
import com.ocpsoft.pretty.faces.el.Expressions;
/**
* @author Lincoln Baxter, III <lincoln@ocpsoft.com>
*/
abstract public class PrettyTagBase extends UIComponentELTag
{
protected void setAttributeProperites(final UIComponent component, final String attributeName, final String attribute)
{
if (attribute != null)
{
if (Expressions.isEL(attribute))
{
FacesContext context = FacesContext.getCurrentInstance();
Application app = context.getApplication();
ExpressionFactory expressionFactory = app.getExpressionFactory();
ValueExpression ve = expressionFactory.createValueExpression(attribute, Object.class);
component.setValueExpression(attributeName, ve);
}
else
{
component.getAttributes().put(attributeName, attribute);
}
}
}
}