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:annis.gui.servlets.BinaryServlet.java

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    Map<String, String[]> binaryParameter = request.getParameterMap();
    String toplevelCorpusName = binaryParameter.get("toplevelCorpusName")[0];
    String documentName = binaryParameter.get("documentName")[0];
    String mimeType = binaryParameter.get("mime")[0];

    try {/*from w w  w .  ja  v a  2  s  .c  o m*/
        ServletOutputStream out = response.getOutputStream();

        String range = request.getHeader("Range");

        HttpSession session = request.getSession();
        Object annisServiceURLObject = session.getAttribute(AnnisBaseUI.WEBSERVICEURL_KEY);

        if (annisServiceURLObject == null || !(annisServiceURLObject instanceof String)) {
            throw new ServletException("AnnisWebService.URL was not set as init parameter in web.xml");
        }

        String annisServiceURL = (String) annisServiceURLObject;

        WebResource annisRes = Helper.getAnnisWebResource(annisServiceURL,
                (AnnisUser) session.getAttribute(AnnisBaseUI.USER_KEY));

        WebResource binaryRes = annisRes.path("query").path("corpora")
                .path(URLEncoder.encode(toplevelCorpusName, "UTF-8"))
                .path(URLEncoder.encode(documentName, "UTF-8")).path("binary").queryParam("mime", mimeType);

        if (range != null) {
            responseStatus206(binaryRes, mimeType, out, response, range);
        } else {
            responseStatus200(binaryRes, mimeType, out, response);
        }

        out.flush();
    } catch (IOException ex) {
        log.debug("IOException in BinaryServlet", ex);
    } catch (ClientHandlerException ex) {
        log.error(null, ex);
        response.setStatus(500);
    } catch (UniformInterfaceException ex) {
        log.error(null, ex);
        response.setStatus(500);
    }
}

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From source file:eionet.gdem.web.filters.SetCharacterEncodingFilter.java

/**
 * Select and set (if specified) the character encoding to be used to interpret request parameters for this request.
 *
 * @param request/*w w  w.ja  v a2 s .  co  m*/
 *            The servlet request we are processing
 * @param response
 *            The servlet response we are creating
 * @param chain
 *            The filter chain we are processing
 *
 * @exception IOException
 *                if an input/output error occurs
 * @exception ServletException
 *                if a servlet error occurs
 */
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    // Conditionally select and set the character encoding to be used
    if (ignore || (request.getCharacterEncoding() == null)) {
        String encoding = selectEncoding(request);
        if (encoding != null)
            request.setCharacterEncoding(encoding);
    }

    // Pass control on to the next filter
    try {
        chain.doFilter(request, response);
    } catch (Exception e) {
        // Logging unhandled exception
        LOGGER.error("Unhandled exception caught", e);
        throw new ServletException(e);
    }

}

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From source file:io.hops.hopsworks.api.admin.llap.LlapMonitorProxyServlet.java

@Override
protected void initTarget() throws ServletException {
    targetUriTemplate = getConfigParam(P_TARGET_URI);
    if (targetUriTemplate == null)
        throw new ServletException(P_TARGET_URI + " is required.");

    //leave this.target* null to prevent accidental mis-use
}

---

From source file:com.autentia.wuija.web.DownloadServlet.java

/**
 * Process GET request//from   w  w w.ja v a2  s  . c  o m
 * 
 * @param request HTTP request
 * @param response HTTP response
 * @throws javax.servlet.ServletException
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    final String requestUri = request.getRequestURI();
    final String fileName = requestUri.substring(requestUri.lastIndexOf('/') + 1, requestUri.length());

    if (log.isTraceEnabled()) {
        log.trace("fileName='" + fileName + "'.");
    }

    if (fileName == null) {
        final String msg = "Filename not found in the requested URL.";
        log.error(msg);
        throw new ServletException(msg);
    }

    final StringBuilder tempFilePath = new StringBuilder(System.getProperty("java.io.tmpdir"));

    if (log.isTraceEnabled()) {
        log.trace("tempdir = " + tempFilePath);
    }

    if (tempFilePath.charAt(tempFilePath.length() - 1) != File.separatorChar) {
        tempFilePath.append(File.separatorChar);
    }

    tempFilePath.append(fileName);

    if (log.isTraceEnabled()) {
        log.trace("filePath = " + tempFilePath);
    }

    final File file = new File(tempFilePath.toString());
    file.deleteOnExit();

    String clientFileName = request.getHeader(FILE_NAME);
    if (clientFileName == null) {
        clientFileName = file.getName();
    }
    response.setHeader("Pragma", "no-cache");
    response.setHeader("Content-disposition", "attachment; filename=" + clientFileName);

    // XXX [wuija]: reemplazar por una librera de mimetypes
    if (clientFileName.toLowerCase().endsWith(".csv")) {
        response.setContentType("application/vnd.ms-excel");
    } else if (clientFileName.toLowerCase().endsWith(".zip")) {
        response.setContentType("application/zip");
    } else if (clientFileName.toLowerCase().endsWith(".pdf")) {
        response.setContentType("application/pdf");
    }
    response.setContentLength((int) file.length());

    try {
        int read = 0;
        final byte[] bytes = new byte[1024];
        final FileInputStream in = new FileInputStream(file);

        while ((read = in.read(bytes)) != -1) {
            response.getOutputStream().write(bytes, 0, read);
        }
        in.close();

        log.trace("The contents of the file have been written.");

        response.getOutputStream().flush();
        response.getOutputStream().close();
    } catch (IOException e) {
        final String msg = "Error writting the contents of the file.";
        log.error(msg);
        throw new ServletException(msg, e);
    }

    file.delete();
    log.trace("File='" + file + "' deleted.");

}

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From source file:com.collective.celos.servlet.RegisterServlet.java

protected void doDelete(HttpServletRequest req, HttpServletResponse res) throws ServletException {
    BucketID bucket = getRequestBucketID(req);
    try {/*from w  w  w  .  j  a v a2s .co m*/
        try (StateDatabaseConnection connection = getStateDatabase().openConnection()) {
            if (req.getParameter(CelosClient.KEY_PARAM) != null) {
                connection.deleteRegister(bucket, getRequestKey(req));
            } else if (req.getParameter(CelosClient.PREFIX_PARAM) != null) {
                connection.deleteRegistersWithPrefix(bucket, req.getParameter(CelosClient.PREFIX_PARAM));
            } else {
                throw new IllegalArgumentException("Either " + CelosClient.KEY_PARAM + " or "
                        + CelosClient.PREFIX_PARAM + " should be specified");
            }
        }
    } catch (Exception e) {
        throw new ServletException(e);
    }
}

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From source file:com.sap.dirigible.runtime.content.ContentInitializerServlet.java

@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    logger.info("Content Servlet Init"); //$NON-NLS-1$
    initRepository();/*  w ww.  j  a  v  a 2s .  c  o  m*/
    try {
        // 1. Import pre-delivered content
        checkAndImportRegistry(config, SYSTEM_USER);
        // 2. Post import actions
        ContentPostImportUpdater contentPostImportUpdater = new ContentPostImportUpdater(
                getRepository(SYSTEM_USER));
        contentPostImportUpdater.update();
    } catch (IOException e) {
        throw new ServletException(e);
    } catch (Exception e) {
        throw new ServletException(e);
    }
}

---

From source file:com.github.buildnum.servlet.VersionServlet.java

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    try {/*from w  ww.  j  a v  a  2s . c om*/
        final String action = getParameter(req, "action");
        final String format = getParameter(req, "format");
        final String ignoreSnapshotStr = getParameter(req, "ignoreSnapshot");

        final VersionRequest versionRequest = new VersionRequest();
        versionRequest.setGroupId(getParameter(req, "groupId"));
        versionRequest.setArtifactId(getParameter(req, "artifactId"));
        versionRequest.setArtifactClassifier(getParameter(req, "artifactClassifier"));
        versionRequest.setArtifactVersion(getParameter(req, "artifactVersion"));
        versionRequest.setActionType(ActionType.fromValue(action));
        versionRequest.setFormatType(FormatType.fromValue(format));
        versionRequest.setIgnoreSnapshot("1".equals(ignoreSnapshotStr));
        versionRequest.setBuildNumber(getParameterAsInt(req, "buildNumber")); // for SET action
        versionRequest.setPrefix(getParameter(req, "prefix"));

        VersionResponse versionResponse = null;

        if (versionRequest.getGroupId() != null && versionRequest.getArtifactId() != null
                && versionRequest.getArtifactVersion() != null) {
            // call service
            versionResponse = VersionManager.getInstance().getVersion(versionRequest);
        }

        final String output = getOutput(versionRequest, versionResponse);
        // write to output stream
        writeOutput(output, resp);
    } catch (Exception e) {
        log.error("Error in VersionServlet", e);
        throw new ServletException(e);
    }
}

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From source file:com.mkmeier.quickerbooks.ProcessUwcu.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
 *
 * @param request servlet request//  w  w w. ja  v a2 s  .  c o m
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");

    if (!ServletFileUpload.isMultipartContent(request)) {
        showForm(request, response);
    } else {

        ServletFileUploader up = new ServletFileUploader();
        up.parseRequest(request);

        File file = up.getFileMap().get("uwcuTxn");

        int depositAcctNum = Integer.parseInt(up.getFieldMap().get("depositAcct"));
        int creditCardAcctNum = Integer.parseInt(up.getFieldMap().get("ccAcct"));

        QbAccount depositAcct = getAccount(depositAcctNum);
        QbAccount creditCardAcct = getAccount(creditCardAcctNum);

        UwcuParser uwcuParser = new UwcuParser(file);
        List<UwcuTxn> txns;

        try {
            txns = uwcuParser.parse();
        } catch (UwcuException ex) {
            throw new ServletException(ex);
        }

        UwcuToIif uwcuToIif = new UwcuToIif(txns, depositAcct, creditCardAcct);
        File iifFile = uwcuToIif.getIifFile();

        response.setHeader("Content-Disposition", "attachement; filename=\"iifFile.iif\"");
        ServletOutputStream out = response.getOutputStream();
        FileInputStream in = new FileInputStream(iifFile);
        byte[] buffer = new byte[4096];
        int length;
        while ((length = in.read(buffer)) > 0) {
            out.write(buffer, 0, length);
        }
        in.close();
        out.flush();
    }
}

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From source file:de.betterform.agent.web.filter.XFormsFilter.java

/**
 * Filter initialisation//w  w w. j av a2 s.  c  o  m
 *
 * @see http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/servlet/Filter.html#init(javax.servlet.FilterConfig)
 */
public void init(FilterConfig filterConfig) throws ServletException {
    this.filterConfig = filterConfig;

    webFactory = new WebFactory();
    webFactory.setServletContext(filterConfig.getServletContext());
    try {
        webFactory.initConfiguration(XFormsFilter.USERAGENT);
        defaultRequestEncoding = webFactory.getConfig().getProperty("defaultRequestEncoding",
                defaultRequestEncoding);
        webFactory.initLogging(this.getClass());
        String realPath = WebFactory.getRealPath(".", this.filterConfig.getServletContext());
        webFactory.initTransformerService(realPath);
        // webFactory.initXFormsSessionCache(); // todo: still needed????

    } catch (XFormsConfigException e) {
        throw new ServletException(e);
    }
}

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From source file:com.liferay.arquillian.DeployerServlet.java

@Override
protected void doDelete(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    BundleContext bundleContext = _bundle.getBundleContext();

    try {/*  w  ww . j a va2s  .c  om*/
        Bundle bundle = bundleContext.getBundle(DEPLOYER_SERVLET_LOCATION);

        bundle.stop();

        bundle.uninstall();
    } catch (BundleException e) {
        throw new ServletException(e);
    }
}

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