Example usage for javax.servlet ServletException ServletException

Introduction

In this page you can find the example usage for javax.servlet ServletException ServletException.

Prototype

public ServletException(Throwable rootCause) 

Source Link

Document

Constructs a new servlet exception when the servlet needs to throw an exception and include a message about the "root cause" exception that interfered with its normal operation.

Usage

From source file:com.adobe.cq.wcm.core.components.internal.servlets.WorkflowModelDataSourceServlet.java

@Override
protected void doGet(@Nonnull SlingHttpServletRequest request, @Nonnull SlingHttpServletResponse response)
        throws ServletException, IOException {
    try {//  w w  w .j  a v a2  s .  co  m
        WorkflowSession workflowSession = request.getResourceResolver().adaptTo(WorkflowSession.class);
        ArrayList<Resource> resources = new ArrayList<>();
        if (workflowSession != null) {
            WorkflowModel[] models = workflowSession.getModels();
            for (WorkflowModel model : models) {
                resources.add(new WorkflowModelResource(model, request.getResourceResolver()));
            }
        }
        SimpleDataSource dataSource = new SimpleDataSource(resources.iterator());
        request.setAttribute(DataSource.class.getName(), dataSource);
    } catch (WorkflowException e) {
        throw new ServletException(e);
    }
}

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From source file:au.edu.uq.cmm.benny.Benny.java

@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    Properties props = new Properties();
    InputStream is = getClass().getResourceAsStream(PROPS_RESOURCE);
    if (is == null) {
        throw new ServletException("Cannot find resource: " + PROPS_RESOURCE);
    }/*ww  w .  jav  a 2s  .  c  om*/
    try {
        props.load(is);
    } catch (IOException ex) {
        throw new ServletException("Cannot load the configuration properties in resource " + PROPS_RESOURCE);
    }
    try {
        realm = props.getProperty("benny.realm");
        authenticator = new AclsAuthenticator(props.getProperty("benny.serverHost"),
                Integer.parseInt(props.getProperty("benny.serverPort")),
                Integer.parseInt(props.getProperty("benny.serverTimeout")),
                props.getProperty("benny.dummyFacility"), props.getProperty("benny.localHostId"));
    } catch (Exception ex) {
        throw new ServletException("Cannot instantiate the authenticator");
    }
}

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From source file:dhbw.ka.mwi.businesshorizon2.SpringApplicationServlet.java

/**
 * Diese Methode wird einmal beim Initialisieren aufgerufen. Dort werden die Konfigurationseinstellungen
 * aus der web.xml gelesen. Darueberhinaus wird ein Spring-Application-Context aus der servletConfig
 * geholt, mit dem es moeglich ist, Beans mit Session-Scope zu erzeugen.
 * /*  w  ww .j ava2 s  . c om*/
 * @author Christian Gahlert
 */
@SuppressWarnings("unchecked")
@Override
public void init(ServletConfig servletConfig) throws ServletException {
    super.init(servletConfig);

    applicationBean = servletConfig.getInitParameter("applicationBean");

    if (applicationBean == null) {
        throw new ServletException("ApplicationBean not specified in servlet parameters");
    }

    applicationContext = WebApplicationContextUtils.getWebApplicationContext(servletConfig.getServletContext());
    applicationClass = (Class<? extends Application>) applicationContext.getType(applicationBean);
}

---

From source file:io.fabric8.apiman.ui.ConfigurationServlet.java

/**
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 * Grabs the authToken from the user's sessions and sticks it in the config.js using
 * a token replacement of the token '@token@'.
 *///  www. j a v a2 s.  c om
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String authToken = (String) request.getSession().getAttribute(LinkServlet.AUTH_TOKEN);
    log.info("AuthToken = " + authToken);
    InputStream is = null;
    String configFile = null;
    if (authToken == null) {
        log.debug("No authToken in the user's session with id " + request.getSession().getId());
        is = getClass().getResourceAsStream("/apimanui/apiman/f8-config-bkwrds-compatible.js");
        configFile = IOUtils.toString(is);
    } else {
        is = getClass().getResourceAsStream("/apimanui/apiman/f8-config.js");
        configFile = IOUtils.toString(is);
        configFile = configFile.replace("@token@", authToken);
    }
    try {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/javascript");
        response.setHeader("Cache-Control", "private, no-store, no-cache, must-revalidate");
        response.setDateHeader("Expires", 0);
        response.getOutputStream().write(configFile.getBytes("UTF-8")); //$NON-NLS-1$ //$NON-NLS-2$
    } catch (Exception e) {
        throw new ServletException(e);
    } finally {
        IOUtils.closeQuietly(is);
    }
}

---

From source file:com.liulangf.pattern.gof.behavioral.chain.jakarta.simple.ExampleServlet.java

/**
 * <p>Configure a {@link ServletWebContext} for the current request, and
 * pass it to the <code>execute()</code> method of the specified
 * {@link Command}, loaded from our configured {@link Catalog}.</p>
 *
 * @param request The request we are processing
 * @param response The response we are creating
 *
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet exception occurs
 *//*  w  ww .  jav a 2 s .c om*/
public void service(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    CatalogFactory factory = CatalogFactory.getInstance();
    Catalog catalog = factory.getCatalog(servletName);
    if (catalog == null) {
        catalog = factory.getCatalog();
    }

    ServletWebContext context = new ServletWebContext(getServletContext(), request, response);
    Command command = catalog.getCommand("COMMAND_MAPPER");
    try {
        command.execute(context);
    } catch (Exception e) {
        throw new ServletException(e);
    }

}

---

From source file:com.ait.tooling.server.core.servlet.FileUploadServlet.java

@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    logger.info("STARTING UPLOAD");

    try {/*  w w  w  .ja  va  2s. co  m*/
        DiskFileItemFactory fileItemFactory = new DiskFileItemFactory();

        ServletFileUpload fileUpload = new ServletFileUpload(fileItemFactory);

        fileUpload.setSizeMax(FILE_SIZE_LIMIT);

        List<FileItem> items = fileUpload.parseRequest(request);

        for (FileItem item : items) {
            if (item.isFormField()) {
                logger.info("Received form field");

                logger.info("Name: " + item.getFieldName());

                logger.info("Value: " + item.getString());
            } else {
                logger.info("Received file");

                logger.info("Name: " + item.getName());

                logger.info("Size: " + item.getSize());
            }
            if (false == item.isFormField()) {
                if (item.getSize() > FILE_SIZE_LIMIT) {
                    response.sendError(HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE,
                            "File size exceeds limit");

                    return;
                }
                // Typically here you would process the file in some way:
                // InputStream in = item.getInputStream();
                // ...

                if (false == item.isInMemory()) {
                    item.delete();
                }
            }
        }
    } catch (Exception e) {
        logger.error("Throwing servlet exception for unhandled exception", e);

        throw new ServletException(e);
    }
}

---

From source file:ch.frankel.vaadin.spring.SpringApplicationServlet.java

/**
 * Get the application bean in Spring's context.
 * /*w  w w .j a  v  a2 s  .c  o m*/
 * @see AbstractApplicationServlet#getNewApplication(HttpServletRequest)
 */
@Override
protected Application getNewApplication(HttpServletRequest request) throws ServletException {

    WebApplicationContext wac = WebApplicationContextUtils.getWebApplicationContext(getServletContext());

    if (wac == null) {

        throw new ServletException("Cannot get an handle on Spring's context. Is Spring running?"
                + "Check there's an org.springframework.web.context.ContextLoaderListener configured.");
    }

    Object bean = wac.getBean(name);

    if (!(bean instanceof Application)) {

        throw new ServletException("Bean " + name + " is not of expected class Application");
    }

    return (Application) bean;
}

---

From source file:io.druid.security.kerberos.DruidKerberosAuthenticationHandler.java

@Override
public void init(Properties config) throws ServletException {
    try {//from   ww  w  .  j av a  2s .  c om
        String principal = config.getProperty(PRINCIPAL);
        if (principal == null || principal.trim().length() == 0) {
            throw new ServletException("Principal not defined in configuration");
        }
        keytab = config.getProperty(KEYTAB, keytab);
        if (keytab == null || keytab.trim().length() == 0) {
            throw new ServletException("Keytab not defined in configuration");
        }
        if (!new File(keytab).exists()) {
            throw new ServletException("Keytab does not exist: " + keytab);
        }

        // use all SPNEGO principals in the keytab if a principal isn't
        // specifically configured
        final String[] spnegoPrincipals;
        if (principal.equals("*")) {
            spnegoPrincipals = KerberosUtil.getPrincipalNames(keytab, Pattern.compile("HTTP/.*"));
            if (spnegoPrincipals.length == 0) {
                throw new ServletException("Principals do not exist in the keytab");
            }
        } else {
            spnegoPrincipals = new String[] { principal };
        }

        String nameRules = config.getProperty(NAME_RULES, null);
        if (nameRules != null) {
            KerberosName.setRules(nameRules);
        }

        for (String spnegoPrincipal : spnegoPrincipals) {
            log.info("Login using keytab %s, for principal %s", keytab, spnegoPrincipal);
            final KerberosAuthenticator.DruidKerberosConfiguration kerberosConfiguration = new KerberosAuthenticator.DruidKerberosConfiguration(
                    keytab, spnegoPrincipal);
            final LoginContext loginContext = new LoginContext("", serverSubject, null, kerberosConfiguration);
            try {
                loginContext.login();
            } catch (LoginException le) {
                log.warn(le, "Failed to login as [%s]", spnegoPrincipal);
                throw new AuthenticationException(le);
            }
            loginContexts.add(loginContext);
        }
        try {
            gssManager = Subject.doAs(serverSubject, new PrivilegedExceptionAction<GSSManager>() {

                @Override
                public GSSManager run() throws Exception {
                    return GSSManager.getInstance();
                }
            });
        } catch (PrivilegedActionException ex) {
            throw ex.getException();
        }
    } catch (Exception ex) {
        throw new ServletException(ex);
    }
}

---

From source file:com.bluexml.side.framework.alfresco.shareLanguagePicker.LanguageSetter.java

public static String getLanguageFromLayoutParam(HttpServletRequest req, RequestContext context)
        throws ServletException {
    logger.debug("# getLanguageFromLayoutParam ...");
    User user = context.getUser();//from  www  .j a  v a  2 s.com
    String userId = context.getUserId();
    String urlLang = req.getParameter(SHARE_LANG);
    HttpSession currentSession = req.getSession();
    String sessionLang = (String) currentSession.getAttribute(SHARE_LANG);
    if (logger.isTraceEnabled()) {
        logger.trace("urlLang : " + urlLang);
        logger.trace("sessionLang : " + sessionLang);
    }

    // set language

    String language = null;
    // is no user or guest use browser language
    if (user != null && !userId.toLowerCase().equals("guest")) {
        if (urlLang != null) {
            language = urlLang;
            if (logger.isDebugEnabled()) {
                logger.debug("Use language in url :" + urlLang);
            }
        } else if (sessionLang != null && currentSession.getAttribute(userSessionok) != null) {
            // only if language already loaded from preference
            if (logger.isDebugEnabled()) {
                logger.debug("Use language stored in session :" + sessionLang);
            }
            language = sessionLang;

        } else {
            // initialize user language
            try {
                language = getUserLanguage(userId, req);
                logger.debug("Use language from user preferences :" + language);

            } catch (ConnectorServiceException e) {
                throw new ServletException(e);
            } catch (JSONException e) {
                throw new ServletException(e);
            }
            if (language == null) {
                // language not yet set so use default from browser
                language = getLanguageFromBrowser(req);
                logger.debug("Use language from browser :" + language);
            }
            currentSession.setAttribute(userSessionok, true);
        }
    } else {
        // language not yet set so use default from browser
        language = getLanguageFromBrowser(req);
        logger.debug("no user or Guest, use language from browser :" + language);
    }

    return language;

}

---

From source file:com.adobe.acs.commons.analysis.jcrchecksum.impl.servlets.JSONDumpServlet.java

public final void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response)
        throws ServletException, IOException {
    try {/*from   w  w w . j a v  a 2 s.  c o  m*/
        this.handleCORS(request, response);
        this.handleRequest(request, response);
    } catch (RepositoryException e) {
        throw new ServletException(e);
    }
}

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