prepare/1_1_2/component-support/trinidad-support/src/main/java/org/apache/myfaces/extensions/validator/trinidad/renderkit/ExtValTrinidadRendererProxy.java

/*
 * 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.extensions.validator.trinidad.renderkit;

import org.apache.myfaces.extensions.validator.core.renderkit.ExtValRendererProxy;
import org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.TableRenderingContext;

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

/**
 * solution for trinidad table renderer issue (in connection with double call prevention proxies)
 * 
 * @author Gerhard Petracek
 * @since 1.x.1
 */
public class ExtValTrinidadRendererProxy extends ExtValRendererProxy
{
    public ExtValTrinidadRendererProxy(Renderer renderer)
    {
        super(renderer);
    }

    @Override
    protected String getOptionalKey(FacesContext facesContext, UIComponent uiComponent)
    {
        if(TableRenderingContext.getCurrentInstance() != null)
        {
            return "|" + TableRenderingContext.getCurrentInstance().getRenderStage().getStage();
        }

        return "";
    }
}