Examples of org.apache.struts.config.ApplicationConfig

org.apache.struts.config.ApplicationConfig

The collection of static configuration information that describes a Struts-based application or sub-application. Multiple sub-applications are identified by a prefix at the beginning of the context relative portion of the request URI. If no application prefix can be matched, the default configuration (with a prefix equal to a zero-length string) is selected, which is elegantly backwards compatible with the previous Struts behavior that only supported one application.
@author Craig R. McClanahan @version $Revision: 1.12 $ $Date: 2002/03/10 01:23:30 $ @since Struts 1.1

     */
    public static String pageURL(HttpServletRequest request,
                                 String page) {


        StringBuffer sb = new StringBuffer();
        ApplicationConfig appConfig = (ApplicationConfig)
            request.getAttribute(Action.APPLICATION_KEY);
        String pagePattern =
            appConfig.getControllerConfig().getPagePattern();
        if (pagePattern == null) {
            sb.append(appConfig.getPrefix());
            sb.append(page);
        } else {
            boolean dollar = false;
            for (int i = 0; i < pagePattern.length(); i++) {
                char ch = pagePattern.charAt(i);
                if (dollar) {
                    switch (ch) {
                    case 'M':
                        sb.append(appConfig.getPrefix());
                        break;
                    case 'P':
                        sb.append(page);
                        break;
                    case '$':

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    public static void selectApplication(String prefix,
                                         HttpServletRequest request,
                                         ServletContext context) {


        // Expose the resources for this application module
        ApplicationConfig config = (ApplicationConfig)
            context.getAttribute(Action.APPLICATION_KEY + prefix);
        if (config != null) {
            request.setAttribute(Action.APPLICATION_KEY, config);
        } else {
            request.removeAttribute(Action.APPLICATION_KEY);

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        while (names.hasMoreElements()) {
            String name = (String) names.nextElement();
            if (!name.startsWith(Action.APPLICATION_KEY)) {
                continue;
            }
            ApplicationConfig config = (ApplicationConfig)
                context.getAttribute(name);
            String prefix = name.substring(Action.APPLICATION_KEY.length());
            if (prefix.length() > 0) {
                list.add(prefix);
            }

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    // Map to the default subapp -- direct
    public void testSelectApplication1a() {


        request.setPathElements("/myapp", "/noform.do", null, null);
        RequestUtils.selectApplication(request, context);
        ApplicationConfig appConfig = (ApplicationConfig)
            request.getAttribute(Action.APPLICATION_KEY);
        assertNotNull("Selected an application", appConfig);
        assertEquals("Selected correct application",
                     "", appConfig.getPrefix());
        // FIXME - check application resources?


    }

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    // Map to the second webapp -- direct
    public void testSelectApplication1b() {


        request.setPathElements("/myapp", "/2/noform.do", null, null);
        RequestUtils.selectApplication(request, context);
        ApplicationConfig appConfig = (ApplicationConfig)
            request.getAttribute(Action.APPLICATION_KEY);
        assertNotNull("Selected an application", appConfig);
        assertEquals("Selected correct application",
                     "/2", appConfig.getPrefix());
        // FIXME - check application resources?


    }

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        request.setPathElements("/myapp", "/2/noform.do", null, null);
        request.setAttribute(RequestProcessor.INCLUDE_SERVLET_PATH,
                             "/noform.do");
        RequestUtils.selectApplication(request, context);
        ApplicationConfig appConfig = (ApplicationConfig)
            request.getAttribute(Action.APPLICATION_KEY);
        assertNotNull("Selected an application", appConfig);
        assertEquals("Selected correct application",
                     "", appConfig.getPrefix());
        // FIXME - check application resources?


    }

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        request.setPathElements("/myapp", "/noform.do", null, null);
        request.setAttribute(RequestProcessor.INCLUDE_SERVLET_PATH,
                             "/2/noform.do");
        RequestUtils.selectApplication(request, context);
        ApplicationConfig appConfig = (ApplicationConfig)
            request.getAttribute(Action.APPLICATION_KEY);
        assertNotNull("Selected an application", appConfig);
        assertEquals("Selected correct application",
                     "/2", appConfig.getPrefix());
        // FIXME - check application resources?


    }

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        ActionFormBean formBean = null;
        ActionForward forward = null;
        ActionMapping mapping = null;


        appConfig = new ApplicationConfig("");
        context.setAttribute(Action.APPLICATION_KEY, appConfig);


        // Forward "external" to "http://jakarta.apache.org/"
        appConfig.addForwardConfig
            (new ActionForward("external", "http://jakarta.apache.org/",

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    protected void setUpSecondApp() {


        ActionFormBean formBean = null;
        ActionMapping mapping = null;


        appConfig2 = new ApplicationConfig("/2");
        context.setAttribute(Action.APPLICATION_KEY + "/2", appConfig2);


        // Forward "external" to "http://jakarta.apache.org/"
        appConfig2.addForwardConfig
            (new ActionForward("external", "http://jakarta.apache.org/",

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            RequestUtils.saveException(pageContext, e);
            throw e;
        }


        // Retrieve our application module configuration information
        ApplicationConfig config = (ApplicationConfig)
            pageContext.getRequest().getAttribute(Action.APPLICATION_KEY);
        if (config == null) { // Backwards compatibility hack
            config = (ApplicationConfig)
                pageContext.getServletContext().getAttribute
                (Action.APPLICATION_KEY);
        }


        // Retrieve the requested object to be exposed
        Object object = null;
        String selector = null;
        if (formBean != null) {
            selector = formBean;
            object = config.findFormBeanConfig(formBean);
        } else if (forward != null) {
            selector = forward;
            object = config.findForwardConfig(forward);
        } else if (mapping != null) {
            selector = mapping;
            object = config.findActionConfig(mapping);
        }
        if (object == null) {
            JspException e = new JspException
                (messages.getMessage("struts.missing", selector));
            RequestUtils.saveException(pageContext, e);

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