Examples with Container org.directwebremoting.Container used on opensource projects

Example 1 with Container

use of org.directwebremoting.Container in project ma-core-public by infiniteautomation.

the class ContainerUtil method createDefaultContainer.

/**
 * Create a {@link DefaultContainer}, allowing users to upgrade to a child
 * of DefaultContainer using an {@link ServletConfig} init parameter of
 * <code>org.directwebremoting.Container</code>. Note that while the
 * parameter name is the classname of {@link Container}, currently the only
 * this can only be used to create children that inherit from
 * {@link DefaultContainer}. This restriction may be relaxed in the future.
 * Unlike {@link #setupDefaultContainer(DefaultContainer, ServletConfig)},
 * this method does not call any setup methods.
 * @param servletConfig The source of init parameters
 * @return An unsetup implementaion of DefaultContainer
 * @throws ServletException If the specified class could not be found
 * @see ServletConfig#getInitParameter(String)
 */
public static DefaultContainer createDefaultContainer(ServletConfig servletConfig) throws ServletException {
    try {
        String typeName = servletConfig.getInitParameter(Container.class.getName());
        if (typeName == null) {
            return new DefaultContainer();
        }
        log.debug("Using alternate Container implementation: " + typeName);
        Class type = LocalUtil.classForName(typeName);
        return (DefaultContainer) type.newInstance();
    } catch (Exception ex) {
        throw new ServletException(ex);
    }
}

Example 2 with Container

use of org.directwebremoting.Container in project ma-core-public by infiniteautomation.

the class DwrConvertTag method doStartTag.

@Override
public int doStartTag() throws JspException {
    ServletContext servletContext = pageContext.getServletContext();
    Container container = (Container) servletContext.getAttribute("DwrContainer");
    if (container == null)
        throw new JspException("Can't find 'DwrContainer' in servlet context");
    ConverterManager converterManager = (ConverterManager) container.getBean(ConverterManager.class.getName());
    final ScriptBuffer scriptBuffer = new ScriptBuffer();
    scriptBuffer.appendScript("return ");
    scriptBuffer.appendData(obj);
    WebContextBuilder webContextBuilder = (WebContextBuilder) servletContext.getAttribute(WebContextBuilder.class.getName());
    try {
        webContextBuilder.set((HttpServletRequest) pageContext.getRequest(), (HttpServletResponse) pageContext.getResponse(), null, servletContext, container);
        JspWriter out = pageContext.getOut();
        out.write("function() {");
        out.write(ScriptBufferUtil.createOutput(scriptBuffer, converterManager));
        out.write(";}()");
    } catch (IOException e) {
        throw new JspException("Error writing tag content", e);
    } catch (MarshallException e) {
        throw new JspException("Error marshalling object data", e);
    } finally {
        webContextBuilder.unset();
    }
    return EVAL_PAGE;
}

Example 3 with Container

use of org.directwebremoting.Container in project jaffa-framework by jaffa-projects.

the class FinderMetaDataHelper method getServiceClass.

/**
 * Looks up dwr.xml for the input serviceName and returns the corresponding class.
 * The servletContext is needed to get a handle on the DWR context.
 */
private static Class getServiceClass(String serviceName, ServletContext servletContext) {
    // Obtain the ServletContext for the 'dwr' servlet. Error out if not found
    String dwrPath = servletContext.getContextPath() + "/dwr";
    ServletContext dwrServletContext = servletContext.getContext(dwrPath);
    if (dwrServletContext == null) {
        String m = "Unable to obtain ServletContext for the '" + dwrPath + "' servlet. The ServiceClass cannot be determined for: " + serviceName;
        log.error(m);
        throw new IllegalArgumentException(m);
    }
    // Check the ServletContext for a List of Containers
    List<Container> containers = (List<Container>) dwrServletContext.getAttribute(ContainerUtil.ATTRIBUTE_CONTAINER_LIST);
    if (containers == null) {
        String m = "Unable to load the dwr.xml configuration from the '" + dwrPath + "' servlet. The ServiceClass cannot be determined for: " + serviceName;
        log.error(m);
        throw new IllegalArgumentException(m);
    }
    // Iterate through the Containers, looking for a 'Creator' for the input service
    Class serviceClass = null;
    for (Container container : containers) {
        CreatorManager creatorManager = (CreatorManager) container.getBean(CreatorManager.class.getName());
        Creator creator = creatorManager.getCreator(serviceName);
        if (creator != null) {
            serviceClass = creator.getType();
            if (log.isDebugEnabled())
                log.debug("The ServiceClass for '" + serviceName + "' is " + serviceClass);
            break;
        }
    }
    // Error out if the service class cannot be determined
    if (serviceClass == null) {
        String m = "ServiceClass not be found for '" + serviceName + "' in dwr.xml";
        log.error(m);
        throw new IllegalArgumentException(m);
    }
    return serviceClass;
}

Example 4 with Container

use of org.directwebremoting.Container in project ma-core-public by infiniteautomation.

the class DwrWebContextFilter method doFilter.

/* (non-Javadoc)
     * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
     */
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
    ServletContext servletContext = filterConfig.getServletContext();
    Container container = (Container) servletContext.getAttribute(Container.class.getName());
    if (container == null) {
        log.error("DwrWebContextFilter can not find ServletContext attribute for the DWR Container. Is DwrServlet configured in this web-application?");
    }
    ServletConfig servletConfig = (ServletConfig) servletContext.getAttribute(ServletConfig.class.getName());
    if (servletConfig == null) {
        log.error("DwrWebContextFilter can not find ServletContext attribute for the ServletConfig.");
    }
    WebContextBuilder webContextBuilder = (WebContextBuilder) servletContext.getAttribute(WebContextBuilder.class.getName());
    if (webContextBuilder == null) {
        log.error("DwrWebContextFilter can not find ServletContext attribute for the WebContextBuilder. WebContext will not be available.");
    } else {
        try {
            webContextBuilder.set((HttpServletRequest) request, (HttpServletResponse) response, servletConfig, servletContext, container);
            // It is totally legitimate for a servlet to be unavailable
            // (e.g. Spring DwrController)
            HttpServlet servlet = (HttpServlet) servletContext.getAttribute(HttpServlet.class.getName());
            if (servlet != null) {
                ServletLoggingOutput.setExecutionContext(servlet);
            }
            chain.doFilter(request, response);
        } finally {
            webContextBuilder.unset();
            ServletLoggingOutput.unsetExecutionContext();
        }
    }
}

Example 5 with Container

use of org.directwebremoting.Container in project ma-core-public by infiniteautomation.

the class ContainerUtil method shutdownServerLoadMonitorsInContainerList.

/**
 * Internal use only.
 * <p>If we detect that the server is being shutdown then we want to kill
 * any reverse ajax threads.
 * @param containers The list of containers to look for ServerLoadMonitors in
 * @param title What causes this (for debug purposes)
 */
public static void shutdownServerLoadMonitorsInContainerList(List containers, String title) {
    if (containers == null || containers.size() == 0) {
        log.debug("No containers to shutdown for: " + title);
        return;
    }
    log.debug("Shutting down containers for: " + title);
    for (Iterator it = containers.iterator(); it.hasNext(); ) {
        Container container = (Container) it.next();
        ServerLoadMonitor monitor = (ServerLoadMonitor) container.getBean(ServerLoadMonitor.class.getName());
        monitor.shutdown();
    }
}