package com.cjq.servlet; 
 
import java.util.Map; 
 
public class ActionMapping { 
 
  private String path; 
   
  private Object type; 
   
  private Map forwardMap; 
 
  public String getPath() { 
    return path; 
  } 
 
  public void setPath(String path) { 
    this.path = path; 
  } 
 
  public Object getType() { 
    return type; 
  } 
 
  public void setType(Object type) { 
    this.type = type; 
  } 
 
  public Map getForwardMap() { 
    return forwardMap; 
  } 
 
  public void setForwardMap(Map forwardMap) { 
    this.forwardMap = forwardMap; 
  } 
   
} 

/** 
   * <p>Select the mapping used to process theselection path for this request 
   * If no mapping can be identified, createan error response and return 
   * <code>null</code>.</p> 
   * 
   * @param request The servlet request weare processing 
   * @param response The servlet response weare creating 
   * @param path The portion of the requestURI for selecting a mapping 
   * 
   * @exception IOException if an input/outputerror occurs 
   */ 
  protectedActionMapping processMapping(HttpServletRequestrequest, 
                     HttpServletResponse response, 
                     String path) 
    throws IOException { 
  
    // Is there a mapping for this path? 
    ActionMapping mapping = (ActionMapping) 
      moduleConfig.findActionConfig(path); 
  
    // If a mapping is found, put it in the request and return it 
    if (mapping != null) { 
      request.setAttribute(Globals.MAPPING_KEY, mapping); 
      return (mapping); 
    } 
  
    // Locate the mapping for unknown paths (if any) 
    ActionConfig configs[] = moduleConfig.findActionConfigs(); 
    for (int i = 0; i < configs.length; i++) { 
      if (configs[i].getUnknown()) { 
        mapping = (ActionMapping)configs[i]; 
        request.setAttribute(Globals.MAPPING_KEY, mapping); 
        return (mapping); 
      } 
    } 
  
    // No mapping can be found to process this request 
    String msg = getInternal().getMessage("processInvalid"); 
    log.error(msg + " " + path); 
    response.sendError(HttpServletResponse.SC_NOT_FOUND, msg); 
     
    return null; 
  } 

ActionMapping mapping =(ActionMapping) 
   moduleConfig.findActionConfig(path); 

if (mapping != null) { 
      request.setAttribute(Globals.MAPPING_KEY, mapping); 
      return (mapping); 
    } 

// Locate the mapping for unknownpaths (if any) 
    ActionConfig configs[] = moduleConfigfindActionConfigs(); 
    for (int i = 0; i < configslength; i++) { 
      if (configs[i].getUnknown()) { 
        mapping = (ActionMapping)configs[i]; 
        request.setAttribute(Globals.MAPPING_KEY, mapping); 
        return (mapping); 
      } 
    } 
  
    // No mapping can be found to process this request 
    String msg = getInternal().getMessage("processInvalid"); 
    log.error(msg + " " + path); 
    response.sendError(HttpServletResponse.SC_NOT_FOUND, msg); 
     
    return null; 

/** 
 
   * <p>Retrieve and return the <code>ActionForm</code> associatedwith 
 
   * this mapping, creating and retaining oneif necessary. If there is no 
 
   * <code>ActionForm</code> associated with this mapping,return 
 
   * <code>null</code>.</p> 
 
   * 
 
   * @param request The servlet request weare processing 
 
   * @param response The servlet response weare creating 
 
   * @param mapping The mapping we are using 
 
   */ 
 
  protectedActionForm processActionForm(HttpServletRequestrequest, 
 
                     HttpServletResponse response, 
 
                     ActionMapping mapping) { 
 
  
 
    // Create (if necessary) a form bean to use 
 
    ActionForm instance = RequestUtilscreateActionForm 
 
      (request, mapping, moduleConfig, servlet); 
 
    if (instance == null) { 
 
      return (null); 
 
    } 
 
  
 
    // Store the new instance in the appropriate scope 
 
    if (log.isDebugEnabled()) { 
 
      log.debug(" Storing ActionForm bean instance in scope '" + 
 
        mapping.getScope() + "' under attribute key '" + 
       mapping.getAttribute() + "'"); 
 
    } 
 
    if ("request".equals(mapping.getScope())) { 
 
      request.setAttribute(mapping.getAttribute(), instance); 
 
    } else { 
 
      HttpSession session =requestgetSession(); 
 
      session.setAttribute(mapping.getAttribute(), instance); 
 
    } 
 
    return (instance); 
 
  
 
} 

// Create (if necessary) a formbean to use 
 
    ActionForm instance = RequestUtils.createActionForm 
 
      (request, mapping, moduleConfig, servlet); 
 
    if (instance == null) { 
 
      return (null); 
 
    } 

publicstaticActionForm createActionForm( 
 
      HttpServletRequest request, 
 
      ActionMapping mapping, 
 
      ModuleConfig moduleConfig, 
 
      ActionServlet servlet) { 
 
  
 
    // Is there a form bean associated with this mapping? 
 
    String attribute = mappinggetAttribute(); 
 
    if (attribute == null) { 
 
      return (null); 
 
    } 
 
  
 
    // Look up the form bean configuration information to use 
 
    String name = mapping.getName(); 
 
    FormBeanConfig config =moduleConfigfindFormBeanConfig(name); 
 
    if (config == null) { 
 
      log.warn("No FormBeanConfig found under '"+ name + "'"); 
 
      return (null); 
 
    } 
 
  
 
    ActionForm instance = lookupActionForm(request,attribute, mappinggetScope()); 
 
  
 
    // Can we recycle the existing form bean instance (if there is one)? 
 
    try { 
 
      if (instance != null && canReuseActionForm(instance,config)) { 
 
        return (instance); 
 
      } 
 
    } catch(ClassNotFoundException e) { 
 
      log.error(servlet.getInternal().getMessage("formBean",config.getType()), e); 
 
      return (null); 
 
    } 
 
  
 
    return createActionForm(config,servlet); 
 
} 
   

<form-beans> 
 
    <form-bean name="loginForm" type=".struts.LoginActionForm"/> 
 
  </form-beans> 

if ("request".equals(scope)){ 
 
      instance = (ActionForm)request.getAttribute(attribute); 
 
    } else { 
 
      session = request.getSession(); 
 
      instance = (ActionForm)session.getAttribute(attribute); 
 
    } 

if ("request".equals(mapping.getScope())){ 
 
      request.setAttribute(mapping.getAttribute(), instance); 
 
    } else { 
 
      HttpSession session =request.getSession(); 
 
      session.setAttribute(mapping.getAttribute(), instance); 
 
    }