Example usage for javax.servlet.http HttpServletResponse 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:cn.vlabs.umt.ui.servlet.AddClientServlet.java

public static void writeJSONObject(HttpServletResponse response, Object object) {
    PrintWriter writer = null;//from w w  w .  jav a2s  .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: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:net.bluehornreader.web.WebUtils.java

public static void redirectToError(String error, Request request, HttpServletResponse httpServletResponse)
        throws Exception {
    /*MultiMap<String> params = new MultiMap<>(); //ttt2 see if can get this to work: whatever params are set in request, they are lost at redirection
    params.put(PARAM_ERROR, error);/*from  w ww  . j a  v a  2  s.  c om*/
    request.setParameters(params);
    request.???
    httpServletResponse.sendRedirect(PATH_ERROR);
     */

    PrintWriter out = httpServletResponse.getWriter();

    out.println("<html>");
    out.println("<head>");
    out.println("<title>Bluehorn Reader Error</title>");
    out.println("</head>");

    out.println("<body>"); //ttt1 add formatting
    out.println("<h2>Error: " + error + "</h2>");
    out.println("<p/>");
    out.println("<a href=\"" + ReaderHandler.PATH_LOGIN + "\">Log in</a>");
    out.println("<p/>");
    out.println("<a href=\"" + ReaderHandler.PATH_SIGNUP + "\">Sign up</a>");
    out.println("</body>");
    out.println("</html>");

    request.setHandled(true);
}

From source file:com.vmware.identity.samlservice.Shared.java

/**
 * Send HTTP response/*from   ww  w .  j  av a2  s .c  o  m*/
 * @param response
 * @param contentType
 * @param str
 * @throws IOException
 */
public static void sendResponse(HttpServletResponse response, String contentType, String str)
        throws IOException {
    response.setContentType(contentType);
    PrintWriter out = response.getWriter();
    out.println(str);
    out.close();
}

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);/*ww  w.j  a  va 2s.  co  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.aaasec.sigserv.csspserver.SpServlet.java

private static void nullResponse(HttpServletResponse response) {
    try {//  ww  w .  ja va  2s.c  o  m
        response.setStatus(HttpServletResponse.SC_NO_CONTENT);
        response.getWriter().write("");
        response.getWriter().close();
    } catch (IOException ex) {
        Logger.getLogger(SpServlet.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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   w ww .j a  va  2  s . c o m*/
}

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

protected static void leerTaller(HttpServletRequest request, HttpServletResponse response) throws IOException {

    TallerEntity e = CtrlUsuario.leerTaller(request.getParameter("1")); // id de la taller

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    if (e.getNombre().isEmpty()) {
        JSONObject obj = new JSONObject();
        obj.put("isError", true);
        obj.put("errorDescrip", "El taller ya no esta disponible");
        out.print(obj);/* w  ww  .  ja  v  a2s  .  com*/
    } else {
        JSONObject obj = new JSONObject();
        obj.put("id", e.getIdTaller());
        obj.put("nombre", e.getNombre());
        obj.put("descripcion", e.getDescripcion());
        obj.put("cupos", e.getCupos());
        obj.put("costo", e.getCosto());
        obj.put("fechaFin", "" + e.getFechaFinRegistro());
        obj.put("fechaInicio", "" + e.getFechaInicio());

        out.print(obj);
    }
}

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

protected static void obtenerInscritosTaller(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    int numC = CtrlUsuario.obtenerInscritosTaller(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);/*  w ww  .j  ava 2  s .c  om*/
}

From source file:com.lll.util.ServletUtils.java

/**
 * JSON,Jackson?Java.//from w  w  w  .  j a  v a  2s . c  om
 * 
 * @param data ?List<POJO>, POJO[], POJO, ?Map??.
 * @see #render(String, String, String...)
 */
public static void renderJson(HttpServletResponse response, final Object data, final String... headers) {
    initResponseHeader(response, ServletUtils.JSON_TYPE, headers);
    try {
        mapper.getSerializationConfig().set(Feature.FAIL_ON_EMPTY_BEANS, false);
        mapper.writeValue(response.getWriter(), data);
    } catch (IOException e) {
        throw new IllegalArgumentException(e);
    }
}