Example usage for javax.servlet.http HttpServletResponse setContentType

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

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

protected static void leerMultiplesConvocatorias(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList<ConvocatoriaEntity> convocatorias = new ArrayList<>();
    convocatorias = CtrlUsuario.leerMultiplesConvocatorias(Integer.parseInt(request.getParameter("1")),
            Integer.parseInt(request.getParameter("2"))); // tamao y posicin

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();

    JSONArray list1 = new JSONArray();
    for (ConvocatoriaEntity convocatoria : convocatorias) {
        JSONObject obj = new JSONObject();
        obj.put("id", convocatoria.getIdConvocatoria());
        obj.put("titulo", convocatoria.getNombre());
        list1.add(obj);//  w w w . j  a va2s  .  c  o m
    }
    out.print(list1);
}

From source file:com.discovery.darchrow.http.ResponseUtil.java

/**
 * ./*from  w w  w. j a  va  2 s.co m*/
 *
 * @param response
 *            HttpServletResponse
 * @param content
 *            
 * @param contentType
 *            the content type
 * @param characterEncoding
 *            the character encoding
 * @throws UncheckedIOException
 *             the unchecked io exception
 * @see javax.servlet.ServletResponse#getWriter()
 * @see java.io.PrintWriter#print(Object)
 * @see java.io.PrintWriter#flush()
 * @since 1.0.9
 */
public static void write(HttpServletResponse response, Object content, String contentType,
        String characterEncoding) throws UncheckedIOException {
    try {
        //? ? getWriter?
        if (Validator.isNotNullOrEmpty(contentType)) {
            response.setContentType(contentType);
        }
        if (Validator.isNotNullOrEmpty(characterEncoding)) {
            response.setCharacterEncoding(characterEncoding);
        }

        PrintWriter printWriter = response.getWriter();
        printWriter.print(content);
        printWriter.flush();

        //http://www.iteye.com/problems/56543
        //tomcatjetty?? printWriter.close();
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CUDEventos.java

protected static void actualizarConvocatoria(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlAdmin.actualizarConvocatoria(Integer.parseInt(request.getParameter("0")), // id
            request.getParameter("1"), // nombre
            request.getParameter("2"), // descripcin
            request.getParameter("4"), // fin
            Integer.parseInt(request.getParameter("6")) // cupos
    );//from  w w w .j  a v a2  s. c o  m

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    if (r.get(0) == "error") {
        JSONObject obj = new JSONObject();
        obj.put("isError", true);
        obj.put("errorDescrip", r.get(1));
        out.print(obj);
    } else if (r.get(0) == "isExitoso") {
        JSONObject obj = new JSONObject();
        obj.put("Exitoso", true);
        out.print(obj);
    } else
        Util.errordeRespuesta(r, out);
}

From source file:com.sunchenbin.store.feilong.servlet.http.ResponseUtil.java

/**
 * .//from  w  ww . j  a  v  a 2  s  . co m
 *
 * @param response
 *            HttpServletResponse
 * @param content
 *            
 * @param contentType
 *            the content type
 * @param characterEncoding
 *            the character encoding
 * @see javax.servlet.ServletResponse#getWriter()
 * @see java.io.PrintWriter#print(Object)
 * @see java.io.PrintWriter#flush()
 * @since 1.0.9
 */
public static void write(HttpServletResponse response, Object content, String contentType,
        String characterEncoding) {
    try {
        //? ? getWriter?
        if (Validator.isNotNullOrEmpty(contentType)) {
            response.setContentType(contentType);
        }
        if (Validator.isNotNullOrEmpty(characterEncoding)) {
            response.setCharacterEncoding(characterEncoding);
        }

        PrintWriter printWriter = response.getWriter();
        printWriter.print(content);
        printWriter.flush();

        //http://www.iteye.com/problems/56543
        //tomcatjetty?? printWriter.close();
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet.java

/**
 * Warn the user that the link may not be safe!
 * @param resp the http response/*from w  w w .j a  va2 s  .c o m*/
 * @param link the link to point to
 * @param user the user that owns the link.
 * @throws IOException on any error.
 */
private static void warnUserPage(HttpServletResponse resp, String link, String user, ApplicationId id)
        throws IOException {
    //Set the cookie when we warn which overrides the query parameter
    //This is so that if a user passes in the approved query parameter without
    //having first visited this page then this page will still be displayed 
    resp.addCookie(makeCheckCookie(id, false));
    resp.setContentType(MimeType.HTML);
    Page p = new Page(resp.getWriter());
    p.html().h1("WARNING: The following page may not be safe!").h3()._("click ").a(link, "here")
            ._(" to continue to an Application Master web interface owned by ", user)._()._();
}

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);//w w  w.j a v  a  2  s .c  om
    r.setContentType("text/plain; charset=" + ENC);

    final Writer w = new OutputStreamWriter(r.getOutputStream(), ENC);
    try {
        w.write(message);
    } finally {
        w.close();
    }
}

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

/**
 * A generic JSON response handler/*from  w w w  .j  av  a2s. 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.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//  w  w  w  .ja  v a  2  s. c o  m
 */
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.xqdev.jam.MLJAM.java

private static void sendStringResponse(HttpServletResponse res, String s) throws IOException {
    res.setContentType("text/plain; charset=UTF-8");
    Writer w = res.getWriter();/*from  ww  w.ja  va2s .co m*/
    w.write(s);
    w.flush();
}

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

private static void sendBinaryResponse(HttpServletResponse res, byte[] bytes) throws IOException {
    res.setContentType("application/binary-encoded");
    OutputStream out = res.getOutputStream(); // care to handle errors later?
    out.write(bytes);//from ww  w  .  ja  v a2  s  . com
    out.flush();
}