Example usage for org.apache.commons.chain.web WebContext getRequestScope

Introduction

In this page you can find the example usage for org.apache.commons.chain.web WebContext getRequestScope.

Prototype

public abstract Map getRequestScope();

Source Link

Document

Return a mutable Map that maps request scope attribute names to their values.

Usage

From source file:org.apache.struts.chain.AbstractPopulateActionForm.java

protected void handleCancel(Context context, ActionConfig actionConfig, ActionForm actionForm)
        throws Exception {
    WebContext wcontext = (WebContext) context;
    Map paramValues = wcontext.getParamValues();

    // Set the cancellation attribute if appropriate
    if ((paramValues.get(org.apache.struts.taglib.html.Constants.CANCEL_PROPERTY) != null)
            || (paramValues.get(org.apache.struts.taglib.html.Constants.CANCEL_PROPERTY_X) != null)) {
        context.put(getCancelKey(), Boolean.TRUE);
        wcontext.getRequestScope().put(Globals.CANCEL_KEY, Boolean.TRUE);
    } else {//from ww  w .  j  a  v  a2 s . com
        context.put(getCancelKey(), Boolean.FALSE);
    }
}

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From source file:org.apache.struts.chain.AbstractSelectAction.java

/**
 * <p>Cache the <code>ActionConfig</code> instance for the
 * action to be used for processing this request.</p>
 *
 * @param context The <code>Context</code> for the current request
 *
 * @exception IllegalArgumentException if no valid
 *  action can be identified for this request
 *
 * @return <code>false</code> so that processing continues
 *///from w  w  w.j  av  a2  s . co m
public boolean execute(Context context) throws Exception {

    // Identify the matching path for this request
    String path = getPath(context);

    // Cache the corresponding ActonConfig instance
    WebContext wcontext = (WebContext) context;
    ModuleConfig moduleConfig = (ModuleConfig) wcontext.get(getModuleConfigKey());
    ActionConfig actionConfig = moduleConfig.findActionConfig(path);

    if (actionConfig == null) {
        // Locate the mapping for unknown paths (if any)
        ActionConfig configs[] = moduleConfig.findActionConfigs();
        for (int i = 0; i < configs.length; i++) {
            if (configs[i].getUnknown()) {
                actionConfig = configs[i];
                break;
            }
        }

    }

    if (actionConfig == null) {
        throw new IllegalArgumentException("No action config for '" + path + "'");
    }
    wcontext.put(getActionConfigKey(), actionConfig);
    wcontext.getRequestScope().put(Globals.MAPPING_KEY, actionConfig);
    return (false);

}

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From source file:org.apache.struts.chain.AbstractSelectModule.java

/**
 * <p>Cache the <code>ModuleConfig</code> and <code>MessageResources</code>
 * instances for the sub-application module to be used for processing
 * this request.</p>/*from   w w  w  .  j a  va 2s  .c o m*/
 *
 * @param context The <code>Context</code> for the current request
 *
 * @exception IllegalArgumentException if no valid
 *  ModuleConfig or MessageResources can be identified for this request
 *
 * @return <code>false</code> so that processing continues
 */
public boolean execute(Context context) throws Exception {

    // Identify the module prefix for the current module
    String prefix = getPrefix(context);

    // Cache the corresponding ModuleConfig and MessageResources instances
    WebContext wcontext = (WebContext) context;
    ModuleConfig moduleConfig = (ModuleConfig) wcontext.getApplicationScope().get(Globals.MODULE_KEY + prefix);
    if (moduleConfig == null) {
        throw new IllegalArgumentException("No module config for prefix '" + prefix + "'");
    }
    wcontext.put(getModuleConfigKey(), moduleConfig);
    wcontext.getRequestScope().put(Globals.MODULE_KEY, moduleConfig);
    MessageResources messageResources = (MessageResources) wcontext.getApplicationScope()
            .get(Globals.MESSAGES_KEY + prefix);
    if (messageResources != null) {
        wcontext.put(getMessageResourcesKey(), messageResources);
        wcontext.getRequestScope().put(Globals.MESSAGES_KEY, messageResources);
    }

    return (false);

}

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From source file:org.apache.struts.chain.CreateActionForm.java

/**
 * <p>Create (if necessary) and cache a form bean for this request.</p>
 *
 * @param context The <code>Context</code> for the current request
 *
 * @return <code>false</code> so that processing continues
 *///from   w  w w  . java 2 s  .c  o  m
public boolean execute(Context context) throws Exception {

    // Is there a form bean associated with this ActionConfig?
    ActionConfig actionConfig = (ActionConfig) context.get(getActionConfigKey());
    String name = actionConfig.getName();
    if (name == null) {
        context.remove(getActionFormKey());
        return (false);
    }

    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());
    instance.setServlet(servlet);
    wcontext.put(getActionFormKey(), instance);
    if ("session".equals(actionConfig.getScope())) {
        wcontext.getSessionScope().put(actionConfig.getAttribute(), instance);
    } else if ("request".equals(actionConfig.getScope())) {
        wcontext.getRequestScope().put(actionConfig.getAttribute(), instance);
    }

    return (false);

}

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