Example usage for javax.servlet Registration getName

Introduction

In this page you can find the example usage for javax.servlet Registration getName.

Prototype

public String getName();

Source Link

Document

Gets the name of the Servlet or Filter that is represented by this Registration.

Usage

From source file:org.apache.struts.service.factory.FactoryService.java

/** Process bean registration. It returns false if some errors
 *  occured and true as flag of successful operation. Successful
 *  issue is after such steps as - <br>
 *  <p>//from  w  ww  .  j  a v  a 2  s  .  co m
 *  <li> search bean template
 *  <li> search factory
 *  <li> create bean with this factory from bean template
 *  <li> store bean in session or request scope</p>
 *
 *  @param beanRegistration Bean registration to be processed
 *  @param request The servlet request we are processing
 *  @param response The servlet response we are generating
 *
 *  @return boolean
 *
 *  @throws IOExceprion
 *  @throws ServletExceprion
 */
public boolean processRegistration(Registration registration, HttpServletRequest request,
        HttpServletResponse response) throws IOException, ServletException {
    String name = null;
    FactoryMapping factoryMapping = null;
    Template template = null;
    Object bean = null;

    if (getDebug() >= 1)
        log("Process Registration for name = '" + registration.getName() + "' and factory '"
                + registration.getFactory() + "'");

    factoryMapping = findFactoryMapping(registration.getFactory());
    // find bean factory or exit with error
    if (factoryMapping == null) {
        if (getDebug() >= 1)
            log(" No factory available for name " + registration.getFactory());
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Invalid factory name");
        return false;
    }
    // find bean template or exit with error
    template = findTemplate(registration.getName());
    if (template == null) {
        if (getDebug() >= 1)
            log(" No template available for name " + registration.getName());
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Invalid template name");
        return false;
    }
    try {
        bean = processCreateBean(template, factoryMapping, registration, request);
    } catch (Throwable e) {
        log("Exception at create instance process!", e);
        e.printStackTrace(System.out);
    }
    if (bean == null) {
        if (getDebug() >= 1)
            log(" Bean not created! Bean template name - " + name);
        if (registration.getNecessary()) {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                    "Can not create internal resource");
            return false;
        }
    } else {
        String beanName = null;
        String beanScope = registration.getScope();
        if (registration.getAlias() != null)
            beanName = registration.getAlias();
        else
            beanName = registration.getName();
        if (beanScope == null)
            beanScope = defaultBeanSaveScope;
        if ("session".equals(beanScope)) {
            request.getSession().setAttribute(beanName, bean);
            if (getDebug() >= 1)
                log("Save bean in session context under name - " + beanName);
        } else if ("request".equals(beanScope)) {
            request.setAttribute(beanName, bean);
            if (getDebug() >= 1)
                log("Save bean in request context under name - " + beanName + " object saved in request - "
                        + request.getAttribute(beanName));
        } else {
            if (getDebug() >= 1)
                log("Bean is not saved in scope - " + registration.getScope());
        }
    }
    return true;
}

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