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

Example 16 with UnavailableException

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

the class ActionServlet method processActionConfigClass.

/**
     * <p>Checks if the current actionConfig is using the correct class based
     * on the class of its ancestor ActionConfig.</p>
     *
     * @param actionConfig The action config to check.
     * @param moduleConfig The config for the current module.
     * @return The config object using the correct class as determined by the
     *         config's ancestor and its own overridden value.
     * @throws ServletException if an instance of the action config class
     *                          cannot be created.
     */
protected ActionConfig processActionConfigClass(ActionConfig actionConfig, ModuleConfig moduleConfig) throws ServletException {
    String ancestor = actionConfig.getExtends();
    if (ancestor == null) {
        // Nothing to do, then
        return actionConfig;
    }
    // Make sure that this config is of the right class
    ActionConfig baseConfig = moduleConfig.findActionConfig(ancestor);
    if (baseConfig == null) {
        throw new UnavailableException("Unable to find " + "action config for '" + ancestor + "' to extend.");
    }
    // Was our actionConfig's class overridden already?
    if (actionConfig.getClass().equals(ActionMapping.class)) {
        // Ensure that our config is using the correct class
        if (!baseConfig.getClass().equals(actionConfig.getClass())) {
            // Replace the config with an instance of the correct class
            ActionConfig newActionConfig = null;
            String baseConfigClassName = baseConfig.getClass().getName();
            try {
                newActionConfig = (ActionConfig) RequestUtils.applicationInstance(baseConfigClassName);
                // copy the values
                BeanUtils.copyProperties(newActionConfig, actionConfig);
                // copy the forward and exception configs, too
                ForwardConfig[] forwards = actionConfig.findForwardConfigs();
                for (int i = 0; i < forwards.length; i++) {
                    newActionConfig.addForwardConfig(forwards[i]);
                }
                ExceptionConfig[] exceptions = actionConfig.findExceptionConfigs();
                for (int i = 0; i < exceptions.length; i++) {
                    newActionConfig.addExceptionConfig(exceptions[i]);
                }
            } catch (Exception e) {
                handleCreationException(baseConfigClassName, e);
            }
            // replace actionConfig with newActionConfig
            moduleConfig.removeActionConfig(actionConfig);
            moduleConfig.addActionConfig(newActionConfig);
            actionConfig = newActionConfig;
        }
    }
    return actionConfig;
}

Example 17 with UnavailableException

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

the class ComposableRequestProcessor method setActionContextClassName.

/**
     * <p>Make sure that the specified <code>className</code> identfies a
     * class which can be found and which implements the
     * <code>ActionContext</code> interface.</p>
     *
     * @param className Fully qualified name of
     * @throws ServletException     If an error occurs during initialization
     * @throws UnavailableException if class does not implement ActionContext
     *                              or is not found
     */
private void setActionContextClassName(String className) throws ServletException {
    if ((className != null) && (className.trim().length() > 0)) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("setActionContextClassName: requested context class: " + className);
        }
        try {
            Class actionContextClass = RequestUtils.applicationClass(className);
            if (!ActionContext.class.isAssignableFrom(actionContextClass)) {
                throw new UnavailableException("ActionContextClass " + "[" + className + "]" + " must implement ActionContext interface.");
            }
            this.setActionContextClass(actionContextClass);
        } catch (ClassNotFoundException e) {
            throw new UnavailableException("ActionContextClass " + className + " not found.");
        }
    } else {
        if (LOG.isDebugEnabled()) {
            LOG.debug("setActionContextClassName: no className specified");
        }
        this.setActionContextClass(null);
    }
}

Example 18 with UnavailableException

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

the class ValidatorPlugIn method init.

/**
     * Initialize and load our resources.
     *
     * @param servlet The ActionServlet for our application
     * @param config  The ModuleConfig for our owning module
     * @throws ServletException if we cannot configure ourselves correctly
     */
public void init(ActionServlet servlet, ModuleConfig config) throws ServletException {
    // Remember our associated configuration and servlet
    this.config = config;
    this.servlet = servlet;
    // Load our database from persistent storage
    try {
        this.initResources();
        servlet.getServletContext().setAttribute(VALIDATOR_KEY + config.getPrefix(), resources);
        servlet.getServletContext().setAttribute(STOP_ON_ERROR_KEY + '.' + config.getPrefix(), (this.stopOnFirstError ? Boolean.TRUE : Boolean.FALSE));
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new UnavailableException("Cannot load a validator resource from '" + pathnames + "'");
    }
}

Example 19 with UnavailableException

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

the class TestActionServlet method testProcessExceptionConfigClassNoExtends.

/**
     * Make sure processExceptionConfigClass() returns what it was given if
     * the handler passed to it doesn't extend anything.
     */
public void testProcessExceptionConfigClassNoExtends() throws Exception {
    moduleConfig.addExceptionConfig(baseException);
    ExceptionConfig result = null;
    try {
        result = actionServlet.processExceptionConfigClass(baseException, moduleConfig, null);
    } catch (UnavailableException e) {
        fail("An exception should not be thrown when there's nothing to do");
    }
    assertSame("Result should be the same as the input.", baseException, result);
}

Example 20 with UnavailableException

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

the class TestActionServlet method notestProcessFormBeanConfigClassError.

/**
     * Make sure the code throws the correct exception when it can't create an
     * instance of the base config's custom class.
     */
public void notestProcessFormBeanConfigClassError() throws Exception {
    CustomFormBeanConfigArg customBase = new CustomFormBeanConfigArg("customBase");
    moduleConfig.addFormBeanConfig(customBase);
    FormBeanConfig customSub = new FormBeanConfig();
    customSub.setName("customSub");
    customSub.setExtends("customBase");
    moduleConfig.addFormBeanConfig(customSub);
    try {
        actionServlet.processFormBeanConfigClass(customSub, moduleConfig);
        fail("Exception should be thrown");
    } catch (UnavailableException e) {
    // success
    } catch (Exception e) {
        fail("Unexpected exception thrown.");
    }
}