Example usage for javax.servlet.http HttpServletResponse getOutputStream

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

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Introduction

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

Prototype

public ServletOutputStream getOutputStream() throws IOException;

Source Link

Document

Returns a ServletOutputStream suitable for writing binary data in the response.

Usage

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

@Override
public void doGet(StatusWebHandler webHandler, HttpServletRequest req, HttpServletResponse resp)
        throws UnsupportedEncodingException, IOException {

    setup(resp, "text/html");
    ServletOutputStream os = resp.getOutputStream();

    Map<String, String> valuesMap = new HashMap<String, String>();

    List<IService> services = webHandler.getAppStatus().getServices();
    Collections.sort(services);/*  w ww.j  av a 2s  .  com*/

    StrBuilder sbServicesTable = new StrBuilder();

    if (HtmlUtils.generateBeginTable(sbServicesTable, services.size())) {

        HtmlUtils.generateHeaders(sbServicesTable, "", "Group", "Name", "Hits", "Cache", "Running", "min",
                "max", "avg", "nested", "min (c)", "max (c)", "avg (c)", "nested (c)", "Errors", "Failures",
                "Hit rate");

        for (IService service : services) {
            HtmlUtils.generateRow(sbServicesTable, Resources.STATUS_JOB, service.getGroup(), service.getName(),
                    service.getHits(),
                    service.getCacheHits() + getPercent(service.getCacheHits(), service.getHits()),
                    service.getRunning(), service.getMinResponseTime(), service.getMaxResponseTime(),
                    Math.round(service.getAvgResponseTime()), Math.round(service.getAvgNestedCalls()),
                    service.getMinResponseTimeWithCache(), service.getMaxResponseTimeWithCache(),
                    Math.round(service.getAvgResponseTimeWithCache()),
                    Math.round(service.getAvgNestedCallsWithCache()),
                    service.getErrors() + getPercent(service.getErrors(), service.getHits()),
                    service.getFailures() + getPercent(service.getFailures(), service.getHits()),
                    getRate(service.getCurrentRate()));
        }

        HtmlUtils.generateEndTable(sbServicesTable, services.size());
    }

    // generating content
    valuesMap.put("servicesTable", sbServicesTable.toString());
    String content = HtmlUtils.applyLayout(valuesMap, PAGECONTENTLAYOUT);

    valuesMap.clear();
    valuesMap.put("content", content);
    // generating page
    os.write(getPage(webHandler, valuesMap).getBytes(ENCODING));
}

From source file:net.sourceforge.ajaxtags.servlets.SourceLoader.java

/**
 * Write the content from the jarfile to the client stream. Use bufferedwriter to handle
 * newline. The filename is found in the requestURI, the contextpath is excluded and replaced
 * with the base package name.//from   ww  w  . j a v  a  2  s . c  o  m
 *
 * @param req
 *            the request
 * @param resp
 *            the response
 * @throws ServletException
 *             any errors
 * @throws IOException
 *             any io errors
 */
public void service(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    final String res = req.getRequestURI();
    final OutputStream stream = resp.getOutputStream();
    final byte[] buffer = new byte[BUFFER];

    String loadPath = res.substring(req.getContextPath().length());

    if (prefix != null && loadPath.startsWith(prefix)) {
        loadPath = loadPath.substring(prefix.length());
    }

    InputStream in = null;
    try {
        in = getClass().getResourceAsStream(SourceLoader.BASE + loadPath);
        if (in == null) {
            throw new IOException("resource not found");
        }
        int read = -1;
        while ((read = in.read(buffer)) != -1) {
            stream.write(buffer, 0, read);
        }
    } finally {
        if (in != null) {
            in.close();
        }
        stream.flush();
        stream.close();
    }
}

From source file:DeleteClobFromOracleServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    Connection conn = null;//  w  w w  .j  a  v a 2s. co m
    PreparedStatement pstmt = null;
    String id = "001";
    ServletOutputStream out = response.getOutputStream();
    response.setContentType("text/html");
    out.println("<html><head><title>Delete CLOB Record</title></head>");

    try {
        conn = getConnection();
        pstmt = conn.prepareStatement("delete from DataFiles where id = ?");
        pstmt.setString(1, id);
        pstmt.executeUpdate();
        out.println("<body><h4>deleted CLOB record with id=" + id + "</h4></body></html>");
    } catch (Exception e) {
        out.println("<body><h4>Error=" + e.getMessage() + "</h4></body></html>");
    } finally {
        try {
            pstmt.close();
            conn.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.hbs.common.josn.JSONUtil.java

public static void writeJSONToResponse(HttpServletResponse response, String encoding, boolean wrapWithComments,
        String serializedJSON, boolean smd, boolean gzip, String contentType) throws IOException {
    String json = serializedJSON == null ? "" : serializedJSON;
    if (wrapWithComments) {
        StringBuilder sb = new StringBuilder("/* ");
        sb.append(json);/*from   ww w.ja  v a2  s  .c  om*/
        sb.append(" */");
        json = sb.toString();
    }
    if (log.isDebugEnabled()) {
        log.debug("[JSON]" + json);
    }

    if (contentType == null) {
        contentType = "application/json";
    }
    response.setContentType((smd ? "application/json-rpc;charset=" : contentType + ";charset=") + encoding);
    if (gzip) {
        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(encoding).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

From source file:com.silverpeas.directory.servlets.ImageDisplay.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse res) throws IOException {
    ImageProfil profile = new ImageProfil(getAvatar(req));
    InputStream in = null;/*from  w  w  w .ja  va  2s.c  om*/
    OutputStream out = null;
    try {
        in = profile.getImage();
        out = res.getOutputStream();
        IOUtils.copy(in, out);
    } finally {
        if (in != null) {
            IOUtils.closeQuietly(in);
        }
        if (out != null) {
            IOUtils.closeQuietly(out);
        }
    }
}

From source file:com.aurel.track.util.ImageServerAction.java

/**
 * Write the image in the format given to the output stream
 *//*w  w  w.ja  va  2  s  .  co m*/
@Override

public String execute() {
    System.out.println("IMAGE ACTION !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");

    ImageProvider imageProvider = (ImageProvider) session.get(imageProviderKey);
    if (imageProvider == null) {
        LOGGER.error("Image provider is Null for: " + imageProviderKey);
        return null;
    }

    Map configParametersMap = (Map) session.get(imageProviderParams);
    LOGGER.debug("imageProviderParams Name :" + imageProviderParams);
    LOGGER.debug("imageProviderParams Value :" + configParametersMap);

    if (imageFormat == null || imageFormat.length() < 1) {
        imageFormat = "png";
    }

    HttpServletResponse response = ServletActionContext.getResponse();
    response.setContentType("image/" + imageFormat);
    try {
        ServletOutputStream out = response.getOutputStream();
        imageProvider.writeImage(out, configParametersMap, imageFormat);
    } catch (IOException e) {
        LOGGER.error("Error on write Image:" + e.getMessage());
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug(ExceptionUtils.getStackTrace(e));
        }
    }
    return null;
}

From source file:com.zuoxiaolong.niubi.job.test.http.DownloadFileController.java

@RequestMapping("/download/test.txt")
public void downloadTxt(HttpServletResponse response) throws IOException {
    String fileName = "test.txt";
    response.setContentType("text/plain");
    response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
    OutputStream outputStream = response.getOutputStream();
    outputStream.write("hello".getBytes());
    outputStream.flush();/*  www.  j a  va2s  . c om*/
    outputStream.close();
}

From source file:com.example.multipart.MultipartServiceImpl.java

@Override
public void downloadByteArrayData(byte[] content, String contentType, String filename,
        HttpServletResponse response) throws IOException {

    InputStream is = new ByteArrayInputStream(content);

    response.setContentType(contentType);
    response.addHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=\"" + filename + "\"");
    copy(is, response.getOutputStream());
    response.flushBuffer();//ww  w  .ja v a2s . c  o m
}

From source file:com.nzion.web.PdfServlet.java

@Override
protected void service(HttpServletRequest reqqest, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("application/plm");
    response.setHeader("Content-Disposition", "attachment; filename=2D.plm");
    ServletOutputStream outputStream = response.getOutputStream();
    BufferedInputStream bufferedInputStream = new BufferedInputStream(
            new FileInputStream(new File("F:\\PDF_Stamping\\2D\\2D.zip")));
    IOUtils.copy(bufferedInputStream, outputStream);
    bufferedInputStream.close();/*from ww w.  j a  va2 s.  c  o m*/
    outputStream.flush();
}

From source file:net.dstc.mkts.rest.MktSurveyService.java

@POST
@Protected//w  w w. ja  va  2s. c o m
@Consumes(MediaType.APPLICATION_JSON)
@ApiOperation(value = "Register new survey", code = 201, authorizations = { @Authorization(value = "oauth2") })
public void insert(SurveyDTO survey, @Context HttpServletResponse response)
        throws NotAuthException, OAuthSystemException {

    service.insert(survey);

    response.setStatus(HttpServletResponse.SC_CREATED);
    try {
        response.getOutputStream().close();
    } catch (Exception ex) {
    }
}