import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
 * Try to process name as a definition, or as an URL if not found.
 * @param name Name to process.
 * @return appropriate TagHandler
 * @throws JspException InstantiationException Can't create requested controller
 */
public TagHandler processAsDefinitionOrURL(String name)
	throws JspException {
	try {
		ComponentDefinition definition =
			TilesUtil.getDefinition(
				name,
				pageContext.getRequest(),
				pageContext.getServletContext());

		if (definition != null) {
			return processDefinition(definition);
		}

	} catch (DefinitionsFactoryException ex) {
		// silently failed, because we can choose to not define a factory.
	}

	// no definition found, try as url
	return processUrl(name);
}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
   * Do start tag.
   */
public int doStartTag() throws JspException
{
DefinitionsFactory factory = TilesUtil.getDefinitionsFactory(pageContext.getRequest(),pageContext.getServletContext());
if(factory != null )
  return SKIP_BODY;

DefinitionsFactoryConfig factoryConfig = new DefinitionsFactoryConfig();
factoryConfig.setFactoryClassname( classname );
factoryConfig.setDefinitionConfigFiles( filename );

try
  {
  factory = TilesUtil.createDefinitionsFactory(pageContext.getServletContext(), factoryConfig);
  }
 catch( DefinitionsFactoryException ex )
    {
    ex.printStackTrace();
    throw new JspException( ex.getMessage() + " See console for details" );
    }
return SKIP_BODY;
}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
 * Process the specified HTTP request, and create the corresponding HTTP
 * response (or forward to another web component that will create it),
 * with provision for handling exceptions thrown by the business logic.
 *
 * @param mapping The ActionMapping used to select this instance
 * @param form The optional ActionForm bean for this request (if any)
 * @param request The HTTP request we are processing
 * @param response The HTTP response we are creating
 *
 * @exception Exception if the application business logic throws
 *  an exception
 * @since Struts 1.1
 */
public ActionForward execute(ActionMapping mapping,
                             ActionForm form,
                             HttpServletRequest request,
                             HttpServletResponse response)
    throws Exception
{
    response.setContentType("text/plain");
    PrintWriter writer = response.getWriter();

    try {
      ServletContext context = getServlet().getServletContext();
        DefinitionsFactory factory = TilesUtil.getDefinitionsFactory(request, context );
        writer.println( factory.toString() );
    } catch (Exception e) {
        writer.println("FAIL - " + e.toString());
        getServlet().log("ReloadAction", e);
    }

    writer.flush();
    writer.close();

    return (null);

}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
 * Try to process name as a definition, or as an URL if not found.
 * @param name Name to process.
 * @return appropriate TagHandler
 * @throws JspException InstantiationException Can't create requested controller
 */
public TagHandler processAsDefinitionOrURL(String name)
    throws JspException {
    try {
        ComponentDefinition definition =
            TilesUtil.getDefinition(
                name,
                pageContext.getRequest(),
                pageContext.getServletContext());

        if (definition != null) {
            return processDefinition(definition);
        }

    } catch (DefinitionsFactoryException ex) {
        // silently failed, because we can choose to not define a factory.
    }

    // no definition found, try as url
    return processUrl(name);
}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
   * Do start tag.
   */
public int doStartTag() throws JspException
{
DefinitionsFactory factory =
    TilesUtil.getDefinitionsFactory(pageContext.getRequest(),
        pageContext.getServletContext());
if(factory != null )
  return SKIP_BODY;

DefinitionsFactoryConfig factoryConfig = new DefinitionsFactoryConfig();
factoryConfig.setFactoryClassname( classname );
factoryConfig.setDefinitionConfigFiles( filename );

try
  {
  factory = TilesUtil.createDefinitionsFactory(
      pageContext.getServletContext(), factoryConfig);
  }
 catch( DefinitionsFactoryException ex )
    {
    ex.printStackTrace();
    throw new JspException( ex );
    }
return SKIP_BODY;
}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
 * Process the specified HTTP request, and create the corresponding HTTP
 * response (or forward to another web component that will create it),
 * with provision for handling exceptions thrown by the business logic.
 *
 * @param mapping The ActionMapping used to select this instance
 * @param form The optional ActionForm bean for this request (if any)
 * @param request The HTTP request we are processing
 * @param response The HTTP response we are creating
 *
 * @exception Exception if the application business logic throws
 *  an exception
 * @since Struts 1.1
 */
public ActionForward execute(ActionMapping mapping,
                             ActionForm form,
                             HttpServletRequest request,
                             HttpServletResponse response)
    throws Exception
{
    response.setContentType("text/plain");
    PrintWriter writer = response.getWriter();

    try {
      ServletContext context = getServlet().getServletContext();
        DefinitionsFactory factory =
            TilesUtil.getDefinitionsFactory(request, context );
        writer.println( factory.toString() );
    } catch (Exception e) {
        writer.println("FAIL - " + e.toString());
        getServlet().log("ReloadAction", e);
    }

    writer.flush();
    writer.close();

    return (null);

}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
 * Do an include of specified page.
 * This method is used internally to do all includes from this class. It delegates
 * the include call to the TilesUtil.doInclude().
 * @param page The page that will be included
 * @throws ServletException - Thrown by call to pageContext.include()
 * @throws IOException - Thrown by call to pageContext.include()
 */
protected void doInclude(String page)
	throws ServletException, IOException {
	TilesUtil.doInclude(page, pageContext);
}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
 * Do an include of specified page.
 * This method is used internally to do all includes from this class. It delegates
 * the include call to the TilesUtil.doInclude().
 * @param page The page that will be included
 * @param flush If the writer should be flushed before the include
 * @throws ServletException - Thrown by call to pageContext.include()
 * @throws IOException - Thrown by call to pageContext.include()
 */
protected void doInclude(String page, boolean flush)
    throws ServletException, IOException {
    TilesUtil.doInclude(page, pageContext, flush);
}
 

import org.apache.struts.tiles.TilesUtil; //导入依赖的package包/类
/**
 * Create the Tiles DefinitionsFactory and expose it to the ServletContext.
 * @param factoryConfig the configuration for the DefinitionsFactory
 * @return the DefinitionsFactory
 * @throws DefinitionsFactoryException if an error occurs
 */
protected DefinitionsFactory createDefinitionsFactory(DefinitionsFactoryConfig factoryConfig)
		throws DefinitionsFactoryException {

	return TilesUtil.createDefinitionsFactory(getServletContext(), factoryConfig);
}