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

Introduction

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

Prototype

public abstract Map getSessionScope();

Source Link

Document

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

Usage

From source file:com.liulangf.pattern.gof.behavioral.chain.jakarta.simple.CountCommand.java

/**
 * <p>Execute the command.</p>
 *
 * @param context The {@link Context} we are operating on
 * @return <code>false</code> so that processng will continue
 * @throws Exception If an error occurs during execution.
 *//*from  ww w .  ja  v  a2 s . c om*/
@SuppressWarnings("unchecked")
public boolean execute(Context context) throws Exception {

    count++;
    log.info("Executing: " + attribute + "=" + count);

    WebContext webContext = (WebContext) context;
    webContext.getSessionScope().put(attribute, new Integer(count));

    return false;

}

---

From source file:org.apache.commons.chain.apps.example.CountCommand.java

/**
 * <p>Execute the command.</p>
 *
 * @param context The {@link Context} we are operating on
 * @return <code>false</code> so that processng will continue
 * @throws Exception If an error occurs during execution.
 *///  ww  w  .java  2 s  .  c  o m
public boolean execute(Context context) throws Exception {

    count++;
    log.info("Executing: " + attribute + "=" + count);

    WebContext webContext = (WebContext) context;
    webContext.getSessionScope().put(attribute, new Integer(count));

    return false;

}

---

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 . j  a  v  a 2  s .c  om
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);

}

---