Example usage for javax.servlet.http HttpServletResponse setContentType

Introduction

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

Prototype


public void setContentType(String type);

Source Link

Document

Sets the content type of the response being sent to the client, if the response has not been committed yet.

Usage

From source file:com.liusoft.dlog4j.action.ActionBase.java

/**
 * ??//from   www  .  j  av  a2  s  . c  o m
 * @param res
 * @param msg
 * @throws IOException
 */
protected static void outputPlainMsg(HttpServletResponse res, String msg) throws IOException {
    res.setContentType("text/plain;charset=UTF-8");
    res.getWriter().print(msg);
}

From source file:edu.harvard.med.screensaver.ui.arch.util.JSFUtils.java

/**
 * Performs the necessary steps to return server-side data, provided as an
 * InputStream, to an HTTP client. Must be called within a JSF-enabled servlet
 * environment./*from   w  w w.  j a v a2 s  . c  o  m*/
 *
 * @param facesContext the JSF FacesContext
 * @param dataInputStream an InputStream containing the data to send to the HTTP client
 * @param contentLocation set the "content-location" HTTP header to this value, allowing the downloaded file to be named
 * @param mimeType the MIME type of the file being sent
 * @throws IOException
 */
public static void handleUserDownloadRequest(FacesContext facesContext, InputStream dataInputStream,
        String contentLocation, String mimeType) throws IOException {
    HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse();
    if (mimeType == null && contentLocation != null) {
        mimeType = MimetypesFileTypeMap.getDefaultFileTypeMap().getContentType(contentLocation);
    }
    if (mimeType != null) {
        response.setContentType(mimeType);
    }

    // NOTE: the second line does the trick with the filename. leaving first line in for posterity
    response.setHeader("Content-Location", contentLocation);
    response.setHeader("Content-disposition", "attachment; filename=\"" + contentLocation + "\"");

    OutputStream out = response.getOutputStream();
    IOUtils.copy(dataInputStream, out);
    out.close();

    // skip Render-Response JSF lifecycle phase, since we're generating a
    // non-Faces response
    facesContext.responseComplete();
}

From source file:com.yiji.openapi.sdk.util.Servlets.java

public static void writeResponse(HttpServletResponse response, String data) {
    OutputStream output = null;/*from   ww  w .j  av  a  2 s .c o m*/
    InputStream input = null;
    try {
        response.setCharacterEncoding("UTF-8");
        response.setContentType(MediaType.APPLICATION_JSON_VALUE);
        output = response.getOutputStream();
        input = new ByteArrayInputStream(data.getBytes(Charset.forName("UTF-8")));
        IOUtils.copy(input, output);
        output.flush();
    } catch (Exception e) {
        throw new RuntimeException("?(flushResponse):" + e.getMessage());
    } finally {
        IOUtils.closeQuietly(output);
        IOUtils.closeQuietly(input);
    }
}

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

/**
 * Invoke the AJAX action and setup the request and response.
 *
 * @param action//from ww w . j  av a 2  s.co m
 *            the BaseAjaxXmlAction implementation
 * @param request
 *            the request
 * @param response
 *            the response
 * @return the XML content from action
 * @throws ServletException
 *             for any errors
 */
public static String invoke(final BaseAjaxXmlAction action, final HttpServletRequest request,
        final HttpServletResponse response) throws ServletException {
    // prepare CALL
    try {
        request.setCharacterEncoding(action.getXMLEncoding());
        // we will use UTF-8
    } catch (UnsupportedEncodingException e) {
        throw new ServletException(e);
    }
    // Set content to XML
    response.setContentType("text/xml; charset=" + action.getXMLEncoding());

    // enable the ajaxheaders
    for (HTMLAjaxHeader header : HTMLAjaxHeader.values()) {
        header.enable(response);
    }

    try {
        return action.getXmlContent(request, response);
    } catch (IOException e) {
        throw new ServletException(e);
    }
}

From source file:cn.vlabs.umt.ui.servlet.AddClientServlet.java

public static void writeJSONObject(HttpServletResponse response, Object object) {
    PrintWriter writer = null;//from w w  w  . j  a  v  a 2 s  . c  o  m
    try {
        //IE???text/html?
        response.setContentType("text/html");
        writer = response.getWriter();
        writer.write(object.toString());
    } catch (IOException e) {
    } finally {
        if (writer != null) {
            writer.flush();
            writer.close();
        }
    }
}

From source file:org.openmrs.module.omodexport.util.OmodExportUtil.java

/**
 * Utility module for exporting all modules. The exported modules will be in a zip file called
 * "modules.zip"/* w w  w. j a v  a 2 s .c om*/
 * 
 * @param response
 * @throws IOException
 */
public static void exportAllModules(HttpServletResponse response) throws IOException {

    Collection<Module> modules = ModuleFactory.getStartedModules();
    List<File> files = new ArrayList<File>();
    for (Module module : modules) {
        files.add(module.getFile());
    }
    response.setContentType("application/zip");
    response.setHeader("Content-Disposition", "attachment; filename=\"modules.ZIP\"");

    ZipOutputStream out = new ZipOutputStream(response.getOutputStream());

    zipFiles(files, out);
}

From source file:memedb.httpd.MemeDBHandler.java

public static void sendError(HttpServletResponse response, String errMsg, String reason, JSONObject status,
        int statusCode, Logger log) throws IOException {
    response.setStatus(statusCode);/*from   w w w.  j  a v  a  2s.c o  m*/
    response.setContentType(TEXT_PLAIN_MIMETYPE);
    try {
        new JSONWriter(response.getWriter()).object().key("ok").value(false).key("error").value(errMsg)
                .key("reason").value(reason).key("status").value(status).endObject();
    } catch (JSONException e) {
        if (log != null)
            log.error(e);
        throw new IOException(e);
    }
}

From source file:com.liusoft.dlog4j.action.ActionBase.java

/**
 * ??/*from w  w  w. j a v a  2s. c om*/
 * @param mapping
 * @param form
 * @param request
 * @param response
 * @param msg
 * @return
 * @throws IOException 
 */
protected static ActionForward msgbox(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response, String msg) throws IOException {
    response.setContentType("text/plain;charset=UTF-8");
    response.getWriter().print(msg);
    return null;
}

From source file:com.soolr.core.web.Servlets.java

public static void output(HttpServletResponse response, String contentType, Object content) throws IOException {
    ServletOutputStream output = response.getOutputStream();
    try {/*  w w w . j  a va 2 s  .co  m*/
        response.setContentType(contentType);
        if (content instanceof byte[]) {
            byte[] temp = (byte[]) content;
            output.write(temp);
        } else if (content instanceof String) {
            output.print(String.valueOf(content));
        }
    } finally {
        output.flush();
        output.close();
    }
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Usuario.Read.java

protected static void obtenerInscritosConv(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    int numC = CtrlUsuario.obtenerInscritosConv(Integer.parseInt(request.getParameter("1")));
    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    JSONObject obj = new JSONObject();
    obj.put("inscritos", numC);
    out.print(obj);/*from ww  w. j  av a  2  s .  c om*/
}