Examples of org.apache.struts.config.FormBeanConfig

org.apache.struts.config.FormBeanConfig

A JavaBean representing the configuration information of a <form-bean> element in a Struts configuration file.
@version $Rev: 421119 $ $Date: 2006-01-17 07:26:20 -0500 (Tue, 17 Jan 2006)$ @since Struts 1.1

            }
        }


        // Force creation and registration of DynaActionFormClass instances
        // for all dynamic form beans we wil be using
        FormBeanConfig fbs[] = config.findFormBeanConfigs();
        for (int i = 0; i < fbs.length; i++) {
            if (fbs[i].getDynamic()) {
                DynaActionFormClass.createDynaActionFormClass(fbs[i]);
            }
        }

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     * @since Struts 1.1
     * @deprecated Will be removed in a release after Struts 1.1.
     */
    private void defaultFormBeansConfig(ApplicationConfig config) {


        FormBeanConfig fbcs[] = config.findFormBeanConfigs();
        ActionFormBeans afb = new ActionFormBeans();
        afb.setFast(false);
        for (int i = 0; i < fbcs.length; i++) {
            afb.addFormBean((ActionFormBean) fbcs[i]);
        }

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            return (null);
        }


        // Look up the form bean configuration information to use
        String name = mapping.getName();
        FormBeanConfig config = appConfig.findFormBeanConfig(name);
        if (config == null) {
            return (null);
        }


        // Look up any existing form bean instance
        if (LOG.isDebugEnabled()) {
            LOG.debug(" Looking for ActionForm bean instance in scope '" +
                      mapping.getScope() + "' under attribute key '" +
                      attribute + "'");
        }
        ActionForm instance = null;
        HttpSession session = null;
        if ("request".equals(mapping.getScope())) {
            instance = (ActionForm) request.getAttribute(attribute);
        } else {
            session = request.getSession();
            instance = (ActionForm) session.getAttribute(attribute);
        }


        // Can we recycle the existing form bean instance (if there is one)?
        if (instance != null) {
            if (config.getDynamic()) {
                String className =
                    ((DynaBean) instance).getDynaClass().getName();
                if (className.equals(config.getName())) {
                    if (LOG.isDebugEnabled()) {
                        LOG.debug
                            (" Recycling existing DynaActionForm instance " +
                            "of type '" + className + "'");
                        LOG.trace(" --> " + instance);
                    }
                    return (instance);
                }
            } else {
                try {
                    Class configClass = applicationClass(config.getType());
                    if (configClass.isAssignableFrom(instance.getClass())) {
                        if (LOG.isDebugEnabled()) {
                            LOG.debug
                                (" Recycling existing ActionForm instance " +
                                 "of class '" + instance.getClass().getName()
                                 + "'");
                            LOG.trace(" --> " + instance);
                        }
                        return (instance);
                    }
                    return (instance);
                } catch (Throwable t) {
                    LOG.error(servlet.getInternal().getMessage
                              ("formBean", config.getName()), t);
                    return (null);
                }
            }
        }


        // Create and return a new form bean instance
        if (config.getDynamic()) {
            try {
                DynaActionFormClass dynaClass =
                    DynaActionFormClass.createDynaActionFormClass(config);
                instance = (ActionForm) dynaClass.newInstance();
                if (LOG.isDebugEnabled()) {
                    LOG.debug
                        (" Creating new DynaActionForm instance " +
                            "of type '" + config.getType() + "'");
                    LOG.trace(" --> " + instance);
                }
            } catch (Throwable t) {
                LOG.error(servlet.getInternal().getMessage
                            ("formBean", config.getName()), t);
                return (null);
            }
        } else {
            try {
                instance = (ActionForm) applicationInstance(config.getType());
                if (LOG.isDebugEnabled()) {
                    LOG.debug
                        (" Creating new ActionForm instance " +
                            "of type '" + config.getType() + "'");
                    LOG.trace(" --> " + instance);
                }
            } catch (Throwable t) {
                LOG.error(servlet.getInternal().getMessage
                          ("formBean", config.getName()), t);
                return (null);
            }
        }
        instance.setServlet(servlet);
        return (instance);

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        super.setUp();
        Logger.getRootLogger().setLevel(Level.OFF);
        support = new XPlannerTestSupport();
        support.setForward("notAuthenticated", "path");
        support.setForward("authenticated", "path");
        FormBeanConfig formBeanConfig = new FormBeanConfig();
        formBeanConfig.addFormPropertyConfig(new FormPropertyConfig("userId", "java.lang.String", null));
        formBeanConfig.addFormPropertyConfig(new FormPropertyConfig("password", "java.lang.String", null));
        formBeanConfig.addFormPropertyConfig(new FormPropertyConfig("action", "java.lang.String", null));
        formBeanConfig.setType(DynaActionForm.class.getName());
        formBeanConfig.setName("form");
        dynaActionForm = new DynaActionForm();
        support.form = dynaActionForm;
        FieldAccessor.set(support.form, "dynaClass", DynaActionFormClass.createDynaActionFormClass(formBeanConfig));
//        properties = new XPlannerProperties().get();
//        properties.clear();

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        if (log.isTraceEnabled()) {
            log.trace("Performing standard action form processing");
            String attribute = mapping.getAttribute();
            if (attribute != null) {
                String name = mapping.getName();
                FormBeanConfig fbc = moduleConfig.findFormBeanConfig(name);
                if (fbc != null) {
                    if ("request".equals(mapping.getScope())) {
                        log.trace("  Bean in request scope = " +
                                  request.getAttribute(attribute));
                    } else {

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        }


        log.trace("Look up form-bean " + name);


        // Look up the corresponding FormBeanConfig (if any)
        FormBeanConfig formBeanConfig =
            actionConfig.getModuleConfig().findFormBeanConfig(name);
        if (formBeanConfig == null) {
            log.warn("No FormBeanConfig found in module "
                     + actionConfig.getModuleConfig().getPrefix()
                     + " under name " + name);
            context.remove(getActionFormKey());
            return (false);
        }


        // Look up the session scope ActionForm instance (if any)
        WebContext wcontext = (WebContext) context;
        ActionForm instance = null;
        if ("session".equals(actionConfig.getScope())) {
            instance = (ActionForm)
                wcontext.getSessionScope().get(actionConfig.getAttribute());
        }


        // Can we recycle the existing instance (if any)?
        if (instance != null) {
            log.trace("Found an instance in the session; test for reusability");
            if (formBeanConfig.getDynamic()) {
                String className =
                    ((DynaBean) instance).getDynaClass().getName();
                if (className.equals(formBeanConfig.getName())) {
                    wcontext.put
                        (getActionFormKey(), instance);
                    /* It should already be in session scope
                    if ("session".equals(actionConfig.getScope())) {
                        wcontext.getSessionScope().put
                            (actionConfig.getAttribute(), instance);
                    }
                    */
                    log.debug("Using existing instance (dynamic)");
                    return (false);
                }
            } else {
                try {
                    Class configClass =
                        ClassUtils.getApplicationClass
                        (formBeanConfig.getType());
                    if (configClass.isAssignableFrom(instance.getClass())) {
                        wcontext.put
                            (getActionFormKey(), instance);
                        /* It should already be in session scope
                           if ("session".equals(actionConfig.getScope())) {
                           wcontext.getSessionScope().put
                           (actionConfig.getAttribute(), instance);
                           }
                        */
                        log.debug("Using existing instance (non-dynamic)");
                        return (false);
                    }
                } catch (Exception e) {
                    log.debug("Error testing existing instance for reusability; just create a new instance", e);
                }
            }
        }


        log.trace("Make a new instance of: " + formBeanConfig);
        // Create a new form bean instance
        if (formBeanConfig.getDynamic()) {
            ModuleConfig moduleConfig = (ModuleConfig)
                wcontext.get(getModuleConfigKey());
            DynaActionFormClass dynaClass =
                DynaActionFormClass.createDynaActionFormClass(formBeanConfig);
            instance = (ActionForm) dynaClass.newInstance();
            ((DynaActionForm) instance).initialize
                ((ActionMapping) actionConfig);
        } else {
            instance = (ActionForm)
                ClassUtils.getApplicationInstance(formBeanConfig.getType());
        }


        // Configure and cache the new instance
        ActionServlet servlet = (ActionServlet)
            wcontext.get(getActionServletKey());

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        if (name == null) {
            return;
        }


        // Look up the FormBeanConfig we are processing
        FormBeanConfig fbConfig = moduleConfig.findFormBeanConfig(name);
        if (fbConfig == null) {
            throw new IllegalArgumentException("Cannot find form bean '" +
                                               name + "' configuration");
        }


        // Does a usable form bean attribute already exist?
        String attribute = actionConfig.getAttribute();
        String scope = actionConfig.getScope();
        ActionForm instance = null;
        if ("request".equals(scope)) {
            instance = (ActionForm)
                context.getExternalContext().getRequestMap().get(attribute);
        } else if ("session".equals(scope)) {
            HttpSession session = (HttpSession)
                context.getExternalContext().getSession(true);
            instance = (ActionForm)
                context.getExternalContext().getSessionMap().get(attribute);
        }
        if (instance != null) {
            if (fbConfig.getDynamic()) {
                String className =
                    ((DynaBean) instance).getDynaClass().getName();
                if (className.equals(fbConfig.getName())) {
                    if (log.isDebugEnabled()) {
                        log.debug
                            (" Recycling existing DynaActionForm instance " +
                             "of type '" + className + "'");
                    }
                    return;
                }
            } else {
                try {
                    Class configClass =
                        RequestUtils.applicationClass(fbConfig.getType());
                    if (configClass.isAssignableFrom(instance.getClass())) {
                        if (log.isDebugEnabled()) {
                            log.debug
                                (" Recycling existing ActionForm instance " +
                                 "of class '" + instance.getClass().getName()
                                 + "'");
                        }
                        return;
                    }
                } catch (Throwable t) {
                    throw new IllegalArgumentException
                        ("Cannot load form bean class '" +
                         fbConfig.getType() + "'");
                }
            }
        }


        // Create a new form bean instance
        if (fbConfig.getDynamic()) {
            try {
                DynaActionFormClass dynaClass =
                    DynaActionFormClass.createDynaActionFormClass(fbConfig);
                instance = (ActionForm) dynaClass.newInstance();
                if (log.isDebugEnabled()) {
                    log.debug
                        (" Creating new DynaActionForm instance " +
                         "of type '" + fbConfig.getType() + "'");
                    log.trace(" --> " + instance);
                }
            } catch (Throwable t) {
                throw new IllegalArgumentException
                    ("Cannot create form bean of type '" +
                     fbConfig.getType() + "'");
            }
        } else {
            try {
                instance = (ActionForm)
                    RequestUtils.applicationInstance(fbConfig.getType());
                if (log.isDebugEnabled()) {
                    log.debug
                        (" Creating new ActionForm instance " +
                         "of type '" + fbConfig.getType() + "'");
                    log.trace(" --> " + instance);
                }
            } catch (Throwable t) {
                throw new IllegalArgumentException
                    ("Cannot create form bean of class '" +
                     fbConfig.getType() + "'");
            }
        }


        // Configure and cache the form bean instance in the correct scope
        ActionServlet servlet = (ActionServlet)

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        if (log.isTraceEnabled()) {
            log.trace("Performing standard action form processing");
            String attribute = mapping.getAttribute();
            if (attribute != null) {
                String name = mapping.getName();
                FormBeanConfig fbc = moduleConfig.findFormBeanConfig(name);
                if (fbc != null) {
                    if ("request".equals(mapping.getScope())) {
                        log.trace("  Bean in request scope = " +
                                  request.getAttribute(attribute));
                    } else {

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            return (null);
        }


        // Look up the form bean configuration information to use
        String name = mapping.getName();
        FormBeanConfig config = moduleConfig.findFormBeanConfig(name);
        if (config == null) {
            log.warn("No FormBeanConfig found under '" + name + "'");
            return (null);
        }


        ActionForm instance = lookupActionForm(request, attribute, mapping.getScope());


        // 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);
    }

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            Globals.MODULE_KEY + config.getPrefix(),
            config);


        // Force creation and registration of DynaActionFormClass instances
        // for all dynamic form beans we wil be using
        FormBeanConfig fbs[] = config.findFormBeanConfigs();
        for (int i = 0; i < fbs.length; i++) {
            if (fbs[i].getDynamic()) {
                fbs[i].getDynaActionFormClass();
            }
        }

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