org.apache.myfaces.commons.util.RendererUtils Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.myfaces.commons.util;

import java.io.IOException;
import java.util.Iterator;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;

/**
 * 
 * @author Leonardo Uribe
 * @since 1.0.1
 */
public class RendererUtils
{

    public static void renderChildren(FacesContext facesContext, UIComponent component)
            throws IOException
    {
        if (component.getChildCount() > 0)
        {
            for (Iterator it = component.getChildren().iterator(); it.hasNext(); )
            {
                UIComponent child = (UIComponent)it.next();
                renderChild(facesContext, child);
            }
        }
    }


    public static void renderChild(FacesContext facesContext, UIComponent child)
            throws IOException
    {
        if (!child.isRendered())
        {
            return;
        }

        child.encodeBegin(facesContext);
        if (child.getRendersChildren())
        {
            child.encodeChildren(facesContext);
        }
        else
        {
            renderChildren(facesContext, child);
        }
        child.encodeEnd(facesContext);
    }

}