Example usage for javax.servlet.http HttpServletResponse getWriter

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

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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:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CRUDUsuarios.java

protected static void editarUsuario(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    System.out.println(request.getParameter("5"));
    ArrayList r = CtrlAdmin.editarUsuario(Integer.parseInt(request.getParameter("0")), //IdUsuario
            request.getParameter("1"), //Nombre
            request.getParameter("2"), //Apellidos
            request.getParameter("3"), //Tipo de documento
            request.getParameter("4"), //documento
            request.getParameter("5"), //Correo= usuario
            request.getParameter("6"), //passworld
            request.getParameter("7").charAt(0)//rol
    );//from www . j a v a2 s . c o m

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    JSONObject obj = new JSONObject();
    if (r.get(0) == "error") {
        obj.put("isError", true);
        boolean errorSerio = false;
        if (r.get(1) == "usuario") {
            obj.put("errorDescrip", "El usuario ya existe");
        } else if (r.get(1) == "contrasena") {
            obj.put("errorDescrip", "La contrasea es invalida");
        } else if (r.get(1) == "documento") {
            obj.put("errorDescrip", "El documento ya est registrado");
        } else if (r.get(1) == "tipoDocumento") {
            obj.put("errorDescrip", "El tipo de documento es invalido");
        } else if (r.get(1) == "correo") {
            obj.put("errorDescrip", "El correo ya est registrado");
        } else if (r.get(1) == "correo1") {
            obj.put("errorDescrip", "El correo no es valido");
        } else if (r.get(1) == "nombre") {
            obj.put("errorDescrip", "Los nombres o apellidos son incorrectos");
        } else if (r.get(1) == "rol") {
            obj.put("errorDescrip", "El rol es invalido, los posibles valores son: E, P y A");
        } else {
            Util.errordeRespuesta(r, out);
            errorSerio = true;
        }
        if (!errorSerio) {
            out.print(obj);
        }
    } else if (r.get(0) == "isExitoso") {
        obj.put("Exitoso", true);
        out.print(obj);
    } else
        Util.errordeRespuesta(r, out);
}

From source file:gov.nist.appvet.tool.synchtest.util.ReportUtil.java

/**
 * This method returns report information to the AppVet ToolAdapter as ASCII
 * text and cannot attach a file to the response.
 *///from  ww  w  .j  a v  a2  s.  co m
public static boolean sendPDFInHttpResponse(HttpServletResponse response, String reportText,
        ToolStatus reportStatus) {
    try {
        File reportFile = new File(reportFilePath);
        String mimeType = new MimetypesFileTypeMap().getContentType(reportFile);
        log.debug("Sending mimetype: " + mimeType);
        response.setContentType(mimeType);
        response.setHeader("Content-Disposition", "attachment;filename=" + reportFile.getName());
        response.setStatus(HttpServletResponse.SC_OK); // HTTP 200
        response.setHeader("apprisk", reportStatus.name());

        FileInputStream inputStream = new FileInputStream(reportFile); //read the file

        try {
            int c;
            while ((c = inputStream.read()) != -1) {
                response.getWriter().write(c);
            }
        } finally {
            if (inputStream != null)
                inputStream.close();
            response.getWriter().close();
        }

        //         PrintWriter out = response.getWriter();
        //         out.println(reportText);
        //         out.flush();
        //         out.close();
        log.info("Returned report");
        return true;
    } catch (IOException e) {
        log.error("Report not sent: " + e.toString());
        return false;
    }
}

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

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

    /*Enumeration<String> parameterNames = request.getParameterNames();
    String param;//w  w w .  jav  a  2s .c  om
    while(parameterNames.hasMoreElements()){
        param = parameterNames.nextElement();
        System.out.print(param);
        System.out.print(": ");
        System.out.print(request.getParameter(param));
    }*/

    ArrayList r = CtrlUsuario.registrarAConvocatoriaUsuario(Integer.parseInt(request.getParameter("1")),
            Integer.parseInt(request.getParameter("2"))); // parameter 1: idUsuario param2: idConv

    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.jsmartframework.web.manager.WebContext.java

/**
 * Write response directly as Event-Stream for Server Sent Events.
 *
 * @param asyncContext - Asynchronous Context.
 * @param event - Name of event to be written on response.
 * @param data - Content of event ot be written on response.
 * @param retry - Time in (milliseconds) for client retry opening connection.
 *              after asynchronous context is closed.
 * @throws IOException/* w ww .j  a  v a 2 s  .  co m*/
 */
public static void writeResponseAsEventStream(AsyncContext asyncContext, String event, Object data, Long retry)
        throws IOException {
    if (asyncContext != null && event != null && data != null) {
        HttpServletResponse response = (HttpServletResponse) asyncContext.getResponse();
        response.setContentType("text/event-stream");
        PrintWriter printWriter = response.getWriter();

        if (retry != null) {
            printWriter.write("retry:" + retry + "\n");
        }
        printWriter.write("event:" + event + "\n");
        printWriter.write("data:" + data + "\n\n");
        printWriter.flush();
    }
}

From source file:com.google.android.gcm.demo.server.HomeServlet.java

/**
 * Displays the existing messages and offer the option to send a new one.
 *//*  ww w  .  jav  a  2  s.  c  o  m*/
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    resp.getWriter().print("home");
}

From source file:com.netflix.zuul.scriptManager.FilterScriptManagerServlet.java

/**
 * Set an error code and print out the usage docs to the response with a preceding error message
 *
 * @param statusCode//  w w w.j a  va2  s.c  om
 * @param response
 */
private static void setUsageError(int statusCode, String message, HttpServletResponse response) {
    response.setStatus(statusCode);
    try {
        Writer w = response.getWriter();
        if (message != null) {
            w.write(message + "\n\n");
        }
        w.write(getUsageDoc());
    } catch (Exception e) {
        logger.error("Failed to output usage error.", e);
        // won't throw exception because this is not critical, logging the error is enough
    }
}

From source file:com.lily.dap.web.util.Struts2Utils.java

/**
 * ./*w  w  w.  j  ava 2  s.com*/
 * 
 * eg. render("text/plain", "hello", "encoding:GBK"); render("text/plain",
 * "hello", "no-cache:false"); render("text/plain", "hello", "encoding:GBK",
 * "no-cache:false");
 * 
 * @param headers
 *            header"encoding:""no-cache:",UTF-8true.
 */
public static void render(final String contentType, final String content, final String... headers) {
    try {
        // headers
        String encoding = ENCODING_DEFAULT;
        boolean noCache = NOCACHE_DEFAULT;
        for (String header : headers) {
            String headerName = StringUtils.substringBefore(header, ":");
            String headerValue = StringUtils.substringAfter(header, ":");

            if (StringUtils.equalsIgnoreCase(headerName, ENCODING_PREFIX)) {
                encoding = headerValue;
            } else if (StringUtils.equalsIgnoreCase(headerName, NOCACHE_PREFIX)) {
                noCache = Boolean.parseBoolean(headerValue);
            } else
                throw new IllegalArgumentException(headerName + "header");
        }

        HttpServletResponse response = ServletActionContext.getResponse();

        // headers
        String fullContentType = contentType + ";charset=" + encoding;
        response.setContentType(fullContentType);
        if (noCache) {
            WebUtils.setNoCacheHeader(response);
        }

        response.getWriter().write(content);
        response.getWriter().flush();

    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
}

From source file:org.clear.server.view.PlainTextView.java

@Override
protected void renderMergedOutputModel(Map<String, Object> arg0, HttpServletRequest arg1,
        HttpServletResponse arg2) throws Exception {

    Writer out = arg2.getWriter();
    for (String key : arg0.keySet()) {
        String value = arg0.get(key).toString();
        out.write(value);/*from   ww  w. j av a 2 s .co  m*/
    }

}

From source file:com.dien.upload.server.UploadServlet.java

/**
 * Writes a response to the client.//w  ww  .j  a  va2s  . co  m
 */
protected static void renderMessage(HttpServletResponse response, String message, String contentType)
        throws IOException {
    response.setContentType(contentType + "; charset=UTF-8");
    response.setCharacterEncoding("UTF-8");
    PrintWriter out = response.getWriter();
    out.print(message);
    out.flush();
    out.close();
}

From source file:com.griddynamics.banshun.web.NestedHandler.java

@Override
public void handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.getWriter().write("Hello Spring MVC");
}