Examples of org.apache.struts.config.ExceptionConfig

org.apache.struts.config.ExceptionConfig

A JavaBean representing the configuration information of an <exception> element from a Struts configuration file.
@version $Rev: 421119 $ $Date: 2005-08-06 18:03:30 -0400 (Sat, 06 Aug 2005)$ @since Struts 1.1


        // Process exception config extensions.
        ExceptionConfig[] exceptions = config.findExceptionConfigs();


        for (int i = 0; i < exceptions.length; i++) {
            ExceptionConfig exception = exceptions[i];


            processExceptionExtension(exception, config);
        }


        for (int i = 0; i < exceptions.length; i++) {
            ExceptionConfig exception = exceptions[i];


            // Verify that required fields are all present for the config
            if (exception.getKey() == null) {
                handleValueRequiredException("key", exception.getType(),
                    "global exception config");
            }
        }
    }

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            // Nothing to do, then
            return exceptionConfig;
        }


        // Make sure that this config is of the right class
        ExceptionConfig baseConfig = moduleConfig.findExceptionConfig(ancestor);


        if (baseConfig == null) {
            throw new UnavailableException("Unable to find "
                + "exception config '" + ancestor + "' to extend.");
        }


        // Was our config's class overridden already?
        if (exceptionConfig.getClass().equals(ExceptionConfig.class)) {
            // Ensure that our config is using the correct class
            if (!baseConfig.getClass().equals(exceptionConfig.getClass())) {
                // Replace the config with an instance of the correct class
                ExceptionConfig newExceptionConfig = null;
                String baseConfigClassName = baseConfig.getClass().getName();


                try {
                    newExceptionConfig =
                        (ExceptionConfig) RequestUtils.applicationInstance(baseConfigClassName);

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            // ... and the exception configs
            ExceptionConfig[] exceptions = actionConfig.findExceptionConfigs();


            for (int j = 0; j < exceptions.length; j++) {
                ExceptionConfig exception = exceptions[j];


                if (exception.getKey() == null) {
                    handleValueRequiredException("key", exception.getType(),
                        "action exception config");
                }
            }
        }
    }

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    protected ActionForward processException(HttpServletRequest request,
        HttpServletResponse response, Exception exception, ActionForm form,
        ActionMapping mapping)
        throws IOException, ServletException {
        // Is there a defined handler for this exception?
        ExceptionConfig config = mapping.findException(exception.getClass());


        if (config == null) {
            log.warn(getInternal().getMessage("unhandledException",
                    exception.getClass()));


            if (exception instanceof IOException) {
                throw (IOException) exception;
            } else if (exception instanceof ServletException) {
                throw (ServletException) exception;
            } else {
                throw new ServletException(exception);
            }
        }


        // Use the configured exception handling
        try {
            ExceptionHandler handler =
                (ExceptionHandler) RequestUtils.applicationInstance(config
                    .getHandler());


            return (handler.execute(exception, config, mapping, form, request,
                response));
        } catch (Exception e) {

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     * @param type Exception class for which to find a handler
     * @since Struts 1.3.0
     */
    public ExceptionConfig findException(Class type) {
        // Check through the entire superclass hierarchy as needed
        ExceptionConfig config = null;


        while (true) {
            // Check for a locally defined handler
            String name = type.getName();

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            return (true);
        }


        // Look up the local or global exception handler configuration
        ExceptionConfig exceptionConfig = null;
        ActionConfig actionConfig = actionCtx.getActionConfig();
        ModuleConfig moduleConfig = actionCtx.getModuleConfig();


        if (actionConfig != null) {
            if (LOG.isDebugEnabled()) {

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        ActionConfig[] actionConfigs = moduleConfig.findActionConfigs();
        assertNotNull(actionConfigs);
        assertEquals(2, actionConfigs.length);
        
        ExceptionConfig exceptionConfig = moduleConfig.findExceptionConfig(Exception.class.getName());
        assertNotNull(exceptionConfig);
        assertEquals(Exception.class.getName(), exceptionConfig.getType());
        
        ExceptionConfig[] exceptionConfigs = moduleConfig.findExceptionConfigs();
        assertNotNull(exceptionConfigs);
        assertEquals(1, exceptionConfigs.length);

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     * The ExceptionConfig is loaded from test-struts-factory.xml.
     */
    public void testCreateExceptionConfig() {
        PackageConfig packageConfig = configuration.getPackageConfig(PACKAGE_NAME);
        ExceptionMappingConfig cfg = (ExceptionMappingConfig) packageConfig.getGlobalExceptionMappingConfigs().get(0);
        ExceptionConfig exceptionConfig = factory.createExceptionConfig(cfg);
        assertNotNull(exceptionConfig);
        assertEquals(Exception.class.getName(), exceptionConfig.getType());


        assertNYI(exceptionConfig, "getBundle", null);
        assertNYI(exceptionConfig, "getHandler", null);
        assertNYI(exceptionConfig, "getKey", null);
        assertNYI(exceptionConfig, "getPath", null);

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    private void initExceptionConfigs() {
        if (exceptions == null) {
            exceptions = new HashMap();
            List exceptionMappings = delegate.getExceptionMappings();
            for (Iterator i = exceptionMappings.iterator(); i.hasNext();) {
                ExceptionConfig wrapper = strutsFactory.createExceptionConfig((ExceptionMappingConfig) i.next());
                exceptions.put(wrapper.getType(), wrapper);
            }
        }
    }

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        property.setName("score");
        property.setType("java.lang.String");
        baseFormBean.addFormPropertyConfig(property);


        // Setup the exception handler
        baseException = new ExceptionConfig();
        baseException.setType("java.lang.NullPointerException");
        baseException.setKey("msg.exception.npe");


        // Setup the forward config
        baseForward = new ActionForward("success", "/succes.jsp", false);


        // Setup the action config
        baseAction = new ActionMapping();
        baseAction.setPath("/index");
        baseAction.setType("org.apache.struts.actions.DummyAction");
        baseAction.setName("someForm");
        baseAction.setInput("/input.jsp");
        baseAction.addForwardConfig(new ActionForward("next", "/next.jsp", false));
        baseAction.addForwardConfig(new ActionForward("prev", "/prev.jsp", false));


        ExceptionConfig exceptionConfig = new ExceptionConfig();


        exceptionConfig.setType("java.sql.SQLException");
        exceptionConfig.setKey("msg.exception.sql");
        baseAction.addExceptionConfig(exceptionConfig);


        // Nothing is registered to our module config until they are needed
    }

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org.apache.beehive.netui.pageflow.internal.DefaultExceptionsHandler

org.apache.beehive.netui.pageflow.internal.InternalUtils

org.apache.struts.action.ActionMapping

org.apache.struts.action.ActionServlet

org.apache.struts.action.RequestProcessor

org.apache.struts.action.TestActionServlet

org.apache.struts.chain.AbstractExceptionHandler

org.apache.struts.chain.commands.AbstractExceptionHandler

org.apache.struts.config.impl.ModuleConfigImpl

org.apache.struts2.s1.Struts1FactoryTest

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