Example usage for javax.servlet.http HttpServletResponse getWriter

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

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. getWriter

Introduction

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

Prototype

public PrintWriter getWriter() throws IOException;

Source Link

Document

Returns a PrintWriter object that can send character text to the client.

Usage

From source file:com.jaspersoft.jasperserver.rest.RESTUtils.java

/**
 * Set the status of the response to the errorCode and send the message to the client
 *
 * @param errorCode the errorCode (see HttpServletResponse for common HTTP status codes)
 * @param response the HttpServletResponse
 * @param body if null, an empty string is sent.
 *///from   ww w  .  j  av  a  2  s. co m
public static void setStatusAndBody(int errorCode, HttpServletResponse response, String body) {
    response.setStatus(errorCode);
    // we can put an error in the output too (so avoid the webserver to display unwanted pages...)
    try {
        PrintWriter pw = response.getWriter();
        pw.print((body == null) ? "" : body);
    } catch (Exception ioEx) {
        // do nothing. If we have an I/O error, we just avoid to specify unuseful errors here.
        log.error("Error sending output a file", ioEx);
    }
}

From source file:com.easyjf.web.core.FrameworkEngine.java

/**
 * Writer//from   w  w w  .  j av  a2  s  . c  om
 * 
 * @param response
 * @return 
 * @throws UnsupportedEncodingException
 * @throws IOException
 */
public static Writer getResponseWriter(HttpServletResponse response)
        throws UnsupportedEncodingException, IOException {
    Writer writer = null;
    try {
        writer = response.getWriter();
    } catch (IllegalStateException e) {
        String encoding = response.getCharacterEncoding();
        if (encoding == null) {
            encoding = DEFAULT_OUTPUT_ENCODING;
        }
        writer = new OutputStreamWriter(response.getOutputStream(), encoding);
    }
    return writer;
}

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

protected static void registrarDocenteTaller(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlUsuario.registrarATallerDocente(Integer.parseInt(request.getParameter("1")),
            Integer.parseInt(request.getParameter("2"))); // parameter 1: idUsuarioDocente param2: idTaller

    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);/*from  w w  w . j av  a 2s . co m*/
    } 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.sunway.cbm.util.ServletUtils.java

/**
 * ?xml?//from  w w  w.  j  a  v  a 2  s.c  om
 * 
 * @param response
 * @param object
 */
public static void responseXml(HttpServletResponse response, String xml) {
    try {
        //         response.setContentType("text/xml");
        response.setCharacterEncoding("UTF-8");
        logger.debug(xml);
        //         response.getWriter().write(xml);
        //         response.getWriter().flush();
        //         response.getWriter().close();
        PrintWriter out = response.getWriter();
        out.print(xml);
        out.close();
    } catch (IOException e) {
        logger.debug(e.toString());
    }
}

From source file:net.sourceforge.fenixedu.presentationTier.servlets.filters.JerseyOAuth2Filter.java

private static boolean sendError(final HttpServletResponse response, String error, String errorDescription)
        throws IOException, ServletException {
    OAuthResponse errorResponse;//from w ww.ja  v a  2s.  co m
    try {
        errorResponse = new OAuthErrorResponseBuilder(401).setError(error).setErrorDescription(errorDescription)
                .buildJSONMessage();
        response.setContentType("application/json; charset=UTF-8");
        response.setStatus(errorResponse.getResponseStatus());
        PrintWriter pw = response.getWriter();
        pw.print(errorResponse.getBody());
        return false;
    } catch (OAuthSystemException e) {
        throw new ServletException(e);
    }
}

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

protected static void iniciarWSC(HttpServletRequest request, HttpServletResponse response) throws IOException {
    ArrayList<UsuarioEntity> usuarios = CtrlAdmin.iniciarWSC(Integer.parseInt(request.getParameter("1")), //id evento
            Integer.parseInt(request.getParameter("2")), //tamao tabla
            Integer.parseInt(request.getParameter("3"))//pagina
    ); // parameter 1: documentoDocente param2: idTaller

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

    JSONArray list1 = new JSONArray();
    for (UsuarioEntity usuario : usuarios) {
        JSONObject obj = new JSONObject();
        obj.put("id", usuario.getIdUsuario());
        obj.put("titulo", usuario.getNombres() + " " + usuario.getApellidos());
        list1.add(obj);/*from   ww w. j a v  a 2 s. c om*/
    }
    out.print(list1);
}

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

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

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    System.out.println("Talleres: " + talleres.size());
    JSONArray list1 = new JSONArray();
    for (TallerEntity taller : talleres) {
        JSONObject obj = new JSONObject();
        obj.put("id", taller.getIdTaller());
        obj.put("titulo", taller.getNombre());
        list1.add(obj);/*  w w w.ja va 2s . com*/
    }
    out.print(list1);
}

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

protected static void consultarUsuariosEnConvocatoriaId(HttpServletRequest request,
        HttpServletResponse response) throws IOException {
    ArrayList<UsuarioEntity> usuarios = new ArrayList<>();
    usuarios = CtrlAdmin.obtenerUsuariosEnConvocatoria(Integer.parseInt(request.getParameter("3")), //id evento
            Integer.parseInt(request.getParameter("2")), //tamao tabla
            Integer.parseInt(request.getParameter("1"))//pagina
    );/*from w  w w  .  j  av  a 2s .c om*/

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

    JSONArray list1 = new JSONArray();
    for (UsuarioEntity usuario : usuarios) {
        JSONObject obj = new JSONObject();
        obj.put("id", usuario.getIdUsuario());
        obj.put("titulo", usuario.getNombres() + " " + usuario.getApellidos());
        list1.add(obj);
    }
    out.print(list1);
}

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

/**
 * Handles errors that are generated from a request sent asynchronously from the RunwayControllerForm js widget.
 * //from w  w w  . ja  v a2  s  .  c o  m
 * @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;
    }
}

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);//from   ww w . j  a  v  a 2s  . co  m
    }
    out.print(list1);
}