Examples with UnavailableException javax.servlet.UnavailableException used on opensource projects

Example 11 with UnavailableException

use of javax.servlet.UnavailableException in project head by mifos.

the class InitializerPlugin method init.

/**
     * This is the central method which is called by the struts framework. This
     * function then delegates the initialization part to different methods of
     * the class.
     *
     */
@Override
public void init(ActionServlet servlet, ModuleConfig config) throws ServletException {
    try {
        initializeConfiguration(servlet);
        initializeFieldConfiguration(servlet);
    } catch (Exception ane) {
        ane.printStackTrace();
        UnavailableException ue = new UnavailableException(ane.getMessage(), 0);
        ue.initCause(ane);
        throw ue;
    }
}

Example 12 with UnavailableException

use of javax.servlet.UnavailableException in project sonarqube by SonarSource.

the class ActionServlet method parseModuleConfigFile.

/**
     * <p>Parses one module config file.</p>
     *
     * @param digester Digester instance that does the parsing
     * @param path     The path to the config file to parse.
     * @throws UnavailableException if file cannot be read or parsed
     * @since Struts 1.2
     * @deprecated use parseModuleConfigFile(Digester digester, URL url)
     *             instead
     */
protected void parseModuleConfigFile(Digester digester, String path) throws UnavailableException {
    try {
        List paths = splitAndResolvePaths(path);
        if (paths.size() > 0) {
            // Get first path as was the old behavior
            URL url = (URL) paths.get(0);
            parseModuleConfigFile(digester, url);
        } else {
            throw new UnavailableException("Cannot locate path " + path);
        }
    } catch (UnavailableException ex) {
        throw ex;
    } catch (ServletException ex) {
        handleConfigException(path, ex);
    }
}

Example 13 with UnavailableException

use of javax.servlet.UnavailableException in project sonarqube by SonarSource.

the class ActionServlet method processFormBeanConfigClass.

/**
     * <p>Checks if the current beanConfig is using the correct class based on
     * the class of its ancestor form bean config.</p>
     *
     * @param beanConfig   The form bean to check.
     * @param moduleConfig The config for the current module.
     * @return The form bean config using the correct class as determined by
     *         the config's ancestor and its own overridden value.
     * @throws UnavailableException if an instance of the form bean config
     *                              class cannot be created.
     * @throws ServletException     on class creation error
     */
protected FormBeanConfig processFormBeanConfigClass(FormBeanConfig beanConfig, ModuleConfig moduleConfig) throws ServletException {
    String ancestor = beanConfig.getExtends();
    if (ancestor == null) {
        // Nothing to do, then
        return beanConfig;
    }
    // Make sure that this bean is of the right class
    FormBeanConfig baseConfig = moduleConfig.findFormBeanConfig(ancestor);
    if (baseConfig == null) {
        throw new UnavailableException("Unable to find " + "form bean '" + ancestor + "' to extend.");
    }
    // Was our bean's class overridden already?
    if (beanConfig.getClass().equals(FormBeanConfig.class)) {
        // Ensure that our bean is using the correct class
        if (!baseConfig.getClass().equals(beanConfig.getClass())) {
            // Replace the bean with an instance of the correct class
            FormBeanConfig newBeanConfig = null;
            String baseConfigClassName = baseConfig.getClass().getName();
            try {
                newBeanConfig = (FormBeanConfig) RequestUtils.applicationInstance(baseConfigClassName);
                // copy the values
                BeanUtils.copyProperties(newBeanConfig, beanConfig);
                FormPropertyConfig[] fpc = beanConfig.findFormPropertyConfigs();
                for (int i = 0; i < fpc.length; i++) {
                    newBeanConfig.addFormPropertyConfig(fpc[i]);
                }
            } catch (Exception e) {
                handleCreationException(baseConfigClassName, e);
            }
            // replace beanConfig with newBeanConfig
            moduleConfig.removeFormBeanConfig(beanConfig);
            moduleConfig.addFormBeanConfig(newBeanConfig);
            beanConfig = newBeanConfig;
        }
    }
    return beanConfig;
}

Example 14 with UnavailableException

use of javax.servlet.UnavailableException in project sonarqube by SonarSource.

the class ActionServlet method splitAndResolvePaths.

/**
     * <p>Takes a comma-delimited string and splits it into paths, then
     * resolves those paths using the ServletContext and appropriate
     * ClassLoader.  When loading from the classloader, multiple resources per
     * path are supported to support, for example, multiple jars containing
     * the same named config file.</p>
     *
     * @param paths A comma-delimited string of paths
     * @return A list of resolved URL's for all found resources
     * @throws ServletException if a servlet exception is thrown
     */
protected List splitAndResolvePaths(String paths) throws ServletException {
    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    if (loader == null) {
        loader = this.getClass().getClassLoader();
    }
    ArrayList resolvedUrls = new ArrayList();
    URL resource;
    String path = null;
    try {
        // Process each specified resource path
        while (paths.length() > 0) {
            resource = null;
            int comma = paths.indexOf(',');
            if (comma >= 0) {
                path = paths.substring(0, comma).trim();
                paths = paths.substring(comma + 1);
            } else {
                path = paths.trim();
                paths = "";
            }
            if (path.length() < 1) {
                break;
            }
            if (path.charAt(0) == '/') {
                resource = getServletContext().getResource(path);
            }
            if (resource == null) {
                if (log.isDebugEnabled()) {
                    log.debug("Unable to locate " + path + " in the servlet context, " + "trying classloader.");
                }
                Enumeration e = loader.getResources(path);
                if (!e.hasMoreElements()) {
                    String msg = internal.getMessage("configMissing", path);
                    log.error(msg);
                    throw new UnavailableException(msg);
                } else {
                    while (e.hasMoreElements()) {
                        resolvedUrls.add(e.nextElement());
                    }
                }
            } else {
                resolvedUrls.add(resource);
            }
        }
    } catch (MalformedURLException e) {
        handleConfigException(path, e);
    } catch (IOException e) {
        handleConfigException(path, e);
    }
    return resolvedUrls;
}

Example 15 with UnavailableException

use of javax.servlet.UnavailableException in project sonarqube by SonarSource.

the class ActionServlet method getRequestProcessor.

/**
     * <p>Look up and return the {@link RequestProcessor} responsible for the
     * specified module, creating a new one if necessary.</p>
     *
     * @param config The module configuration for which to acquire and return
     *               a RequestProcessor.
     * @return The {@link RequestProcessor} responsible for the specified
     *         module,
     * @throws ServletException If we cannot instantiate a RequestProcessor
     *                          instance a {@link UnavailableException} is
     *                          thrown, meaning your application is not loaded
     *                          and will not be available.
     * @since Struts 1.1
     */
protected synchronized RequestProcessor getRequestProcessor(ModuleConfig config) throws ServletException {
    RequestProcessor processor = this.getProcessorForModule(config);
    if (processor == null) {
        try {
            processor = (RequestProcessor) RequestUtils.applicationInstance(config.getControllerConfig().getProcessorClass());
        } catch (Exception e) {
            throw new UnavailableException("Cannot initialize RequestProcessor of class " + config.getControllerConfig().getProcessorClass() + ": " + e);
        }
        processor.init(this, config);
        String key = Globals.REQUEST_PROCESSOR_KEY + config.getPrefix();
        getServletContext().setAttribute(key, processor);
    }
    return (processor);
}