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package com.sun.faces.context;


import com.sun.faces.util.Util;
import com.sun.faces.util.MessageUtils;

import javax.faces.FacesException;
import javax.faces.FactoryFinder;
import javax.faces.context.ExceptionHandlerFactory;
import javax.faces.context.ExternalContextFactory;
import javax.faces.context.FacesContext;
import javax.faces.context.FacesContextFactory;
import javax.faces.lifecycle.Lifecycle;
import javax.servlet.ServletContext;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class FacesContextFactoryImpl extends FacesContextFactory {

    

    private ExceptionHandlerFactory exceptionHandlerFactory;
    private ExternalContextFactory externalContextFactory;


    // ------------------------------------------------------------ Constructors


    public FacesContextFactoryImpl() {

        exceptionHandlerFactory = (ExceptionHandlerFactory)
              FactoryFinder.getFactory(FactoryFinder.EXCEPTION_HANDLER_FACTORY);
        externalContextFactory = (ExternalContextFactory)
              FactoryFinder.getFactory(FactoryFinder.EXTERNAL_CONTEXT_FACTORY);

    }


    // ---------------------------------------- Methods from FacesContextFactory


    public FacesContext getFacesContext(Object sc,
                                        Object request,
                                        Object response,
                                        Lifecycle lifecycle)
    throws FacesException {

        Util.notNull("sc", sc);
        Util.notNull("request", request);
        Util.notNull("response", response);
        Util.notNull("lifecycle", lifecycle);
        
        FacesContext ctx =
              new FacesContextImpl(
                  externalContextFactory.getExternalContext(sc, request, response),
                  lifecycle);

        ctx.setExceptionHandler(exceptionHandlerFactory.getExceptionHandler());

        return ctx;
        
    }

    // The testcase for this class is TestSerlvetFacesContextFactory.java

} // end of class FacesContextFactoryImpl