Example usage for javax.servlet.http HttpServletResponse sendError

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse sendError.

Prototype

public void sendError(int sc) throws IOException;

Source Link

Document

Sends an error response to the client using the specified status code and clears the buffer.

Usage

From source file:de.iteratec.iteraplan.presentation.ajax.DojoUtils.java

/**
 * Sets the response status to bad request
 * //w  w  w .j  a  v a 2 s. co m
 * @param response
 */
public static void doBadRequestResponse(HttpServletResponse response) throws IOException {
    response.sendError(HttpServletResponse.SC_BAD_REQUEST);
}

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From source file:de.iteratec.iteraplan.presentation.ajax.DojoUtils.java

/**
 * Sets the response status to bad request
 * //w ww .  j  ava2s.c  om
 * @param response
 */
public static void doErrorResponse(HttpServletResponse response) throws IOException {
    response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}

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From source file:net.sf.appstatus.web.pages.Resources.java

public static void doGet(StatusWebHandler webHandler, HttpServletRequest req, HttpServletResponse resp)
        throws IOException {

    String location = null;/*from  ww w  . j  a  va 2  s  .  co m*/
    String id = req.getParameter("resource");
    if (id == null) {
        id = req.getParameter("icon");
    }

    if (resources.containsKey(id)) {
        resp.setContentType(resources.get(id).getMimeType());
        location = resources.get(id).getLocation();
        InputStream is = Resources.class.getResourceAsStream(location);
        IOUtils.copy(is, resp.getOutputStream());
    } else {
        resp.sendError(404);
    }

}

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From source file:com.ericsson.eif.hansoft.utils.HttpUtils.java

/**
 * @param response/*from w w  w  .  jav  a2 s.  c om*/
 * @param e - unauthorized exception
 * @throws IOException
 * @throws ServletException
 */
public static void sendUnauthorizedResponse(HttpServletResponse response, UnauthorizedException e)
        throws IOException, ServletException {
    if (e instanceof HansoftOAuthException) {
        OAuthServlet.handleException(response, e, HansoftManager.REALM);
    } else {
        // Accept basic access or OAuth authentication.
        response.addHeader(WWW_AUTHENTICATE_HEADER, OAUTH_AUTHENTICATION_CHALLENGE);
        response.addHeader(WWW_AUTHENTICATE_HEADER, BASIC_AUTHENTICATION_CHALLENGE);
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
    }
}

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From source file:com.betfair.tornjak.monitor.overlay.AuthUtils.java

/**
 * Returns null if user is not authenticated or authorised, otherwise returns Auth object.
 * /*from  w  w w .j ava 2  s  .co m*/
 */
public static Auth checkAuthorised(final HttpServletRequest request, HttpServletResponse response,
        ServletContext servletContext) throws IOException {

    RolePerms rolePerms = getOrCreateRolePerms(servletContext);

    Auth auth = new Auth(new Auth.Validator() {

        @Override
        public boolean isUserInRole(String role) {
            return request.isUserInRole(role);
        }

        @Override
        public boolean isAuthenticated() {
            return request.getUserPrincipal() != null;
        }
    }, rolePerms);

    switch (auth.check()) {
    case UNAUTHORISED:
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
        return null;
    case FORBIDDEN:
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
        return null;
    default:
        return auth;
    }
}

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From source file:com.googlecode.jsonplugin.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (TextUtils.stringSet(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (TextUtils.stringSet(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (TextUtils.stringSet(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (log.isDebugEnabled()) {
        log.debug("[JSON]" + json);
    }/*from   w  w  w.jav  a  2 s.  c o m*/

    HttpServletResponse response = serializationParams.getResponse();

    //status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    //content type
    if (serializationParams.isSmd())
        response.setContentType("application/json-rpc;charset=" + serializationParams.getEncoding());
    else
        response.setContentType(
                serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes());
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

---

From source file:com.belajar_filter.config.FilterBeanConfig.java

public static Filter myFilter() {
    Filter filter = new Filter() {

        private ServletContext context;

        @Override//from   ww w  .jav  a 2  s. c om
        public void init(FilterConfig filterConfig) throws ServletException {
            log.debug("initiate general filter config");
            this.context = filterConfig.getServletContext();
            this.context.log("AuthenticationFilter initialized");
        }

        @Override
        public void doFilter(ServletRequest req, ServletResponse res, FilterChain fc)
                throws IOException, ServletException {
            log.debug("execute do filter ... ");
            HttpServletResponse response = (HttpServletResponse) res;
            HttpServletRequest request = (HttpServletRequest) req;

            String getParam = request.getParameter("name");
            String urlRequest = request.getRequestURI();
            log.debug("intercept url request : " + urlRequest);
            log.debug("intercept param : " + getParam);

            if ("aji".equals(getParam)) {
                log.debug("is aji");
                fc.doFilter(req, res);
            } else {
                log.debug("is not aji");
                response.sendError(HttpServletResponse.SC_NOT_ACCEPTABLE);
            }

        }

        @Override
        public void destroy() {

        }
    };

    return filter;
}

---

From source file:com.wxxr.nirvana.json.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (StringUtils.isNotBlank(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (StringUtils.isNotBlank(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (StringUtils.isNotBlank(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (LOG.isDebugEnabled()) {
        LOG.debug("[JSON]" + json);
    }//from  w w w . j a va  2  s .co m

    HttpServletResponse response = serializationParams.getResponse();

    // status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    // content type
    response.setContentType(
            serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes(serializationParams.getEncoding()));
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

---

From source file:com.struts2ext.json.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (StringUtils.isNotBlank(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (StringUtils.isNotBlank(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (StringUtils.isNotBlank(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (LOG.isDebugEnabled()) {
        LOG.debug("[JSON]" + json);
    }// w w w. j av a2  s . co  m

    HttpServletResponse response = serializationParams.getResponse();

    // status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    // content type
    if (serializationParams.isSmd())
        response.setContentType("application/json-rpc;charset=" + serializationParams.getEncoding());
    else
        response.setContentType(
                serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes(serializationParams.getEncoding()));
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

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From source file:com.concursive.connect.web.webdav.WebdavManager.java

public static void askForAuthentication(HttpServletResponse res) throws Exception {
    String nonce = DefaultServlet.generateNonce();
    // determine the 'opaque' value which should be returned as-is by the client
    String opaque = DefaultServlet.generateOpaque();
    res.setHeader("WWW-Authenticate", "Digest realm=\"" + WebdavServlet.USER_REALM + "\", " + "nonce=\"" + nonce
            + "\", " + "opaque=\"" + opaque + "\"");
    res.sendError(HttpServletResponse.SC_UNAUTHORIZED);
}

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