Example usage for javax.servlet.http HttpServletResponse setStatus

List of usage examples for javax.servlet.http HttpServletResponse setStatus

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Introduction

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

Prototype

public void setStatus(int sc);

Source Link

Document

Sets the status code for this response.

Usage

From source file:com.runwaysdk.controller.ErrorUtility.java

public static void prepareAjaxThrowable(Throwable t, HttpServletResponse resp) throws IOException {
    while (t instanceof InvocationTargetException) {
        t = t.getCause();/*w ww .  j a  v  a  2s  .  c o m*/
    }

    if (t instanceof ProblemExceptionDTO) {
        JSONProblemExceptionDTO jsonE = new JSONProblemExceptionDTO((ProblemExceptionDTO) t);
        resp.setStatus(500);
        resp.getWriter().print(jsonE.getJSON());
    } else {
        JSONRunwayExceptionDTO jsonE = new JSONRunwayExceptionDTO(t);
        resp.setStatus(500);
        resp.getWriter().print(jsonE.getJSON());
    }
}

From source file:com.erudika.para.rest.RestUtils.java

/**
 * A generic JSON response returning an object. Status code is always {@code 200}.
 * @param response the response to write to
 * @param obj an object/*ww w.j  a v  a 2 s  . com*/
 */
public static void returnObjectResponse(HttpServletResponse response, Object obj) {
    if (response == null) {
        return;
    }
    PrintWriter out = null;
    try {
        response.setStatus(HttpServletResponse.SC_OK);
        response.setContentType(MediaType.APPLICATION_JSON);
        out = response.getWriter();
        ParaObjectUtils.getJsonWriter().writeValue(out, obj);
    } catch (Exception ex) {
        logger.error(null, ex);
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

From source file:com.erudika.para.rest.RestUtils.java

/**
 * A generic JSON response handler//w w w.j  a v a2  s .  co m
 * @param response the response to write to
 * @param status status code
 * @param message error message
 */
public static void returnStatusResponse(HttpServletResponse response, int status, String message) {
    if (response == null) {
        return;
    }
    PrintWriter out = null;
    try {
        response.setStatus(status);
        response.setContentType(MediaType.APPLICATION_JSON);
        out = response.getWriter();
        ParaObjectUtils.getJsonWriter().writeValue(out,
                getStatusResponse(Response.Status.fromStatusCode(status), message).getEntity());
    } catch (Exception ex) {
        logger.error(null, ex);
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

From source file:com.google.gwtjsonrpc.server.JsonServlet.java

private static void textError(final ActiveCall call, final int status, final String message)
        throws IOException {
    final HttpServletResponse r = call.httpResponse;
    r.setStatus(status);
    r.setContentType("text/plain; charset=" + ENC);

    final Writer w = new OutputStreamWriter(r.getOutputStream(), ENC);
    try {//from ww  w. j a  va  2 s  .  c o  m
        w.write(message);
    } finally {
        w.close();
    }
}

From source file:com.xqdev.jam.MLJAM.java

private static void sendNoResponse(HttpServletResponse res) {
    res.setStatus(HttpServletResponse.SC_NO_CONTENT);
}

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  v a 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:gov.nist.appvet.tool.synchtest.util.ReportUtil.java

/**
 * This method returns report information to the AppVet ToolAdapter as ASCII
 * text and cannot attach a file to the response.
 *//*from   w ww. ja  v a2  s  .  co  m*/
public static boolean sendPDFInHttpResponse(HttpServletResponse response, String reportText,
        ToolStatus reportStatus) {
    try {
        File reportFile = new File(reportFilePath);
        String mimeType = new MimetypesFileTypeMap().getContentType(reportFile);
        log.debug("Sending mimetype: " + mimeType);
        response.setContentType(mimeType);
        response.setHeader("Content-Disposition", "attachment;filename=" + reportFile.getName());
        response.setStatus(HttpServletResponse.SC_OK); // HTTP 200
        response.setHeader("apprisk", reportStatus.name());

        FileInputStream inputStream = new FileInputStream(reportFile); //read the file

        try {
            int c;
            while ((c = inputStream.read()) != -1) {
                response.getWriter().write(c);
            }
        } finally {
            if (inputStream != null)
                inputStream.close();
            response.getWriter().close();
        }

        //         PrintWriter out = response.getWriter();
        //         out.println(reportText);
        //         out.flush();
        //         out.close();
        log.info("Returned report");
        return true;
    } catch (IOException e) {
        log.error("Report not sent: " + e.toString());
        return false;
    }
}

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);
    }/*from  w ww.  j av  a 2s.com*/

    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);
    }
}

From source file:com.runwaysdk.controller.ErrorUtility.java

public static boolean prepareThrowable(Throwable t, HttpServletRequest req, OutputStream out,
        HttpServletResponse resp, Boolean isAsynchronus, boolean ignoreNotifications) throws IOException {
    t = ErrorUtility.filterServletException(t);

    if (isAsynchronus) {
        if (t instanceof ProblemExceptionDTO) {
            JSONProblemExceptionDTO jsonE = new JSONProblemExceptionDTO((ProblemExceptionDTO) t);
            resp.setStatus(500);
            out.write(jsonE.getJSON().getBytes());
        } else {// ww w .j a va  2  s .  c  o  m
            JSONRunwayExceptionDTO jsonE = new JSONRunwayExceptionDTO(t);
            resp.setStatus(500);
            out.write(jsonE.getJSON().getBytes());
        }

        return true;
    } else {
        if (t instanceof AttributeReadPermissionExceptionDTO) {
            throw (AttributeReadPermissionExceptionDTO) t;
        } else if (t instanceof ReadTypePermissionExceptionDTO) {
            throw (ReadTypePermissionExceptionDTO) t;
        } else if (t instanceof ProblemExceptionDTO) {
            ErrorUtility.prepareProblems((ProblemExceptionDTO) t, req, ignoreNotifications);
        } else {
            ErrorUtility.prepareThrowable(t, req);
        }
    }

    return false;
}

From source file:com.runwaysdk.controller.ErrorUtility.java

/**
 * Handles errors that are generated from a request sent asynchronously from the RunwayControllerForm js widget.
 * // ww w.  ja v a2s  . com
 * @param t
 * @param req
 * @param resp
 * @throws IOException
 * @returns boolean Whether or not a redirect is required. A redirect is required if and only if the error is inlined.
 */
public static boolean handleFormError(Throwable t, HttpServletRequest req, HttpServletResponse resp)
        throws IOException {
    t = ErrorUtility.filterServletException(t);

    if (t instanceof ProblemExceptionDTO) {
        ErrorUtility.prepareProblems((ProblemExceptionDTO) t, req, false);
        return true;
    } else {
        JSONRunwayExceptionDTO jsonE = new JSONRunwayExceptionDTO(t);
        resp.setStatus(500);
        resp.getWriter().print(jsonE.getJSON());
        return false;
    }
}