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:com.dgq.utils.Struts2Utils.java

public static void renderServlet(final String contentType, final String content, HttpServletResponse response,
        final String... headers) {
    response = initResponseHeaderServlet(contentType, response, headers);
    try {// w  w w.j  a v a  2  s. c o m
        response.getWriter().write(content);
        response.getWriter().flush();
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

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

protected static void leerUsuario(HttpServletRequest request, HttpServletResponse response) throws IOException {
    UsuarioEntity e = CtrlAdmin.leerUsuario(request.getParameter("1")); // String nombre del usuario

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

    JSONObject obj = new JSONObject();
    obj.put("id", e.getIdUsuario());
    obj.put("nombre", e.getNombres());
    obj.put("apellido", e.getApellidos());
    obj.put("tipoDocumento", e.gettDocumento());
    obj.put("documento", e.getDocumento());
    obj.put("contrasena", e.getPassword());
    obj.put("rol", e.getRol());
    out.print(obj);//from w w w  . j  a  va  2s . c  o m
}

From source file:com.eryansky.common.web.utils.DownloadUtils.java

/**
 * /*from w  ww.j a  v  a  2s .com*/
 * @param request
 * @param response
 * @param filePath 
 * @param displayName ??
 * @throws IOException
 */
public static void download(HttpServletRequest request, HttpServletResponse response, String filePath,
        String displayName) throws IOException {
    File file = new File(filePath);
    if (StringUtils.isEmpty(displayName)) {
        displayName = file.getName();
    }
    if (!file.exists() || !file.canRead()) {
        response.setContentType("text/html;charset=utf-8");
        response.getWriter().write("??");
        return;
    }

    download(request, response, new FileInputStream(file), displayName);
}

From source file:com.sunway.cbm.util.web.ServletUtils.java

/**
 * ?xml?//w w  w.j  a v  a2s  . com
 * 
 * @param response
 * @param object
 */
public static void responseXml(HttpServletResponse response, String xml) {
    try {
        response.setContentType("text/xml");
        response.setCharacterEncoding("UTF-8");
        response.getWriter().write(xml);
        response.getWriter().flush();
        response.getWriter().close();
    } catch (IOException e) {
        logger.debug(e.toString());
    }
}

From source file:com.lushapp.common.web.utils.DownloadUtils.java

public static void download(HttpServletRequest request, HttpServletResponse response, String filePath,
        String displayName) throws IOException {
    File file = new File(filePath);

    if (StringUtils.isEmpty(displayName)) {
        displayName = file.getName();/*from w  w w .jav  a  2 s .c  o m*/
    }

    if (!file.exists() || !file.canRead()) {
        response.setContentType("text/html;charset=utf-8");
        response.getWriter().write("??");
        return;
    }

    response.reset();
    WebUtils.setNoCacheHeader(response);

    response.setContentType("application/x-download");
    response.setContentLength((int) file.length());

    String displayFilename = displayName.substring(displayName.lastIndexOf("_") + 1);
    displayFilename = displayFilename.replace(" ", "_");
    WebUtils.setDownloadableHeader(request, response, displayFilename);
    BufferedInputStream is = null;
    OutputStream os = null;
    try {

        os = response.getOutputStream();
        is = new BufferedInputStream(new FileInputStream(file));
        IOUtils.copy(is, os);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(is);
    }
}

From source file:com.github.rnewson.couchdb.lucene.util.ServletUtils.java

public static void sendJsonError(final HttpServletRequest request, final HttpServletResponse response,
        final int code, final JSONObject error) throws IOException, JSONException {
    setResponseContentTypeAndEncoding(request, response);
    response.setHeader(HttpHeaders.CACHE_CONTROL, "must-revalidate,no-cache,no-store");
    response.setStatus(code);//from  w w  w. j a va  2  s .c o m
    error.put("code", code);

    final Writer writer = response.getWriter();
    try {
        writer.write(error.toString());
        writer.write("\r\n");
    } finally {
        writer.close();
    }
}

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

protected static void eliminarUsuario(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlAdmin.eliminarUsuario(Integer.parseInt(request.getParameter("1"))); // id_usuario

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    if (r.get(0) == "error") {
        JSONObject obj = new JSONObject();
        if (r.get(1) == "usuario") {
            obj.put("isError", true);
            obj.put("errorDescrip", "El usuario no existe");

        } else {// w w w  . j a va  2 s  .  c  o m
            Util.errordeRespuesta(r, out);
        }
        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:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CRUDUsuarios.java

protected static void leerUsuarioId(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    UsuarioEntity e = CtrlAdmin.leerUsuarioId(Integer.parseInt(request.getParameter("1"))); // id del usuario

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

    JSONObject obj = new JSONObject();
    obj.put("id", e.getIdUsuario());
    obj.put("nombre", e.getNombres());
    obj.put("apellido", e.getApellidos());
    obj.put("tipoDocumento", e.gettDocumento());
    obj.put("documento", e.getDocumento());
    obj.put("contrasena", e.getPassword());
    obj.put("rol", "" + e.getRol());
    obj.put("email", e.getUsername());
    out.print(obj);/*from  ww  w  . j a va 2 s . c o  m*/
}

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

/**
 * This method returns report information to the AppVet ToolAdapter as ASCII
 * text and cannot attach a file to the response.
 *//* w w  w.  j a va  2  s .c o  m*/
public static boolean sendInHttpResponse(HttpServletResponse response, String reportText,
        ToolStatus reportStatus) {
    try {
        response.setStatus(HttpServletResponse.SC_OK); // HTTP 200
        response.setContentType("text/html");
        response.setHeader("toolrisk", reportStatus.name());
        PrintWriter out = response.getWriter();
        out.println(reportText);
        out.flush();
        out.close();
        log.debug("Returned report");
        return true;
    } catch (IOException e) {
        log.error(e.toString());
        return false;
    }
}

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

protected static void eliminarTaller(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlAdmin.eliminarTaller(Integer.parseInt(request.getParameter("1"))); // id

    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);/*w  ww .  ja va  2  s  . c o  m*/
    } else if (r.get(0) == "isExitoso") {
        JSONObject obj = new JSONObject();
        obj.put("Exitoso", true);
        out.print(obj);
    } else
        Util.errordeRespuesta(r, out);
}