package servletunit;

//  StrutsTestCase - a JUnit extension for testing Struts actions
//  within the context of the ActionServlet.
//  Copyright (C) 2002 Deryl Seale
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the Apache Software License as
//  published by the Apache Software Foundation; either version 1.1
//  of the License, or (at your option) any later version.
//
//  This library 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.  See the
//  Apache Software Foundation Licens for more details.
//
//  You may view the full text here: http://www.apache.org/LICENSE.txt

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import java.util.Enumeration;
import java.util.Hashtable;

/**
 * This class simulates a ServletConfig.
 */

public class ServletConfigSimulator implements ServletConfig
{

    private Hashtable parameters;
    private ServletContext context;

    public ServletConfigSimulator()
    {
        parameters=new Hashtable();
        context = new ServletContextSimulator();
    }

    /**
     * Returns a <code>String</code> containing the value of the
     * named initialization parameter, or <code>null</code> if
     * the parameter does not exist.
     *
     * @param name      a <code>String</code> specifying the name
     *                  of the initialization parameter
     *
     * @return          a <code>String</code> containing the value
     *                  of the initialization parameter
     *
     */
    public String getInitParameter(String name)
    {
        return (String) parameters.get(name);
    }

    /**
     * Returns the names of the servlet's initialization parameters
     * as an <code>Enumeration</code> of <code>String</code> objects,
     * or an empty <code>Enumeration</code> if the servlet has
     * no initialization parameters.
     *
     * @return          an <code>Enumeration</code> of <code>String</code>
     *                  objects containing the names of the servlet's
     *                  initialization parameters
     *
     *
     *
     */
    public Enumeration getInitParameterNames()
    {
        return parameters.keys();
    }

    /**
     * Returns a reference to the {@link ServletContext} in which the caller
     * is executing.
     *
     *
     * @return          a {@link ServletContext} object, used
     *                  by the caller to interact with its servlet
     *                  container
     *
     * @see             ServletContext
     *
     */
    public ServletContext getServletContext()
    {
        return context;
    }

    /**
     * Returns the name of this servlet instance.
     * The name may be provided via server administration, assigned in the
     * web application deployment descriptor, or for an unregistered (and thus
     * unnamed) servlet instance it will be the servlet's class name.
     *
     * @return          the String "ActionServlet"
     *
     *
     *
     */
    public String getServletName()
    {
        return "ActionServlet";
    }

    /**
     * Sets a named initialization parameter with the supplied
     * <code>String</code> value.
     *
     * @param key      a <code>String</code> specifying the name
     *                  of the initialization parameter
     *
     * @param value     a <code>String</code> value for this initialization
     *                  parameter
     *
     */
    public void setInitParameter(String key,String value)
    {
        parameters.put(key,value);
    }

}