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:com.fengduo.bee.commons.exception.SystemExceptionResolver.java

/**
 * Response  responseText//  w  w  w . ja v a2s.  c  o  m
 * 
 * @param response
 * @param errorMsg
 */
private void printJSON(HttpServletResponse response, String errorMsg) {
    response.setCharacterEncoding("UTF-8");
    try {
        PrintWriter out = response.getWriter();
        out.println(errorMsg);
        out.flush();
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.gu.management.spring.ManagementUrlDiscoveryController.java

@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
        throws IOException {

    response.setContentType("text/html;charset=UTF-8");

    PrintWriter writer = response.getWriter();

    writer.write("<html><head><title>Management URLs</title></head><body><h2>Management URLs</h2><ul>\n");
    Collection<String> managementUrls = service.getManagementUrls();
    for (String url : managementUrls) {
        if (!"/management".equals(url)) {
            writer.printf("<li><a href=\"management%s\">%s</a></li>\n", url, url);
        }/*from   w  w w  . ja  v a  2  s.  co  m*/
    }

    writer.write("</ul></body></html>");

    return null;
}

From source file:fr.mby.portal.coreimpl.aggregator.RenderingAggregator.java

@Override
public void aggregate(final HttpServletResponse response, final IInternalRenderReply reply) {
    try {/* ww w.  jav  a  2 s.  c o m*/
        reply.flushBuffer();

        final PrintWriter writer = response.getWriter();
        final OutputStream replyStream = reply.getBackingOutputStream();

        writer.write(replyStream.toString());
        replyStream.close();
    } catch (final IOException e) {
        RenderingAggregator.LOG.error("Error while rendering IReply !", e);
    }

}

From source file:cz.muni.fi.pb138.callboxesmap.CallboxesServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setCharacterEncoding(CallboxesXMLClass.CHARACTER_ENCODING);
    PrintWriter writer = resp.getWriter();
    writer.append(getJsonCallboxes().toString());
}

From source file:de.knurt.fam.template.controller.json.CouchPutController.java

@Override
public ModelAndView handleRequest(HttpServletRequest rq, HttpServletResponse rs) {
    PrintWriter pw = null;//from  ww w . ja  v  a2s  .  c  om
    try {
        rs.setContentType("application/json");
        pw = rs.getWriter();
        String result = "{}";
        if (rq.getParameter("body") != null && this.isAllowedToShow(rq, rq.getParameter("body"))) {
            Response response = FamCouchDBDao.getInstance().put(rq.getParameter("body"));
            result = response != null ? response.getContentAsString() : "{error: \"unknown\"}";
        }
        IOUtils.write(result, pw);
    } catch (IOException ex) {
        FamLog.exception(ex, 201204191240l);
    } finally {
        IOUtils.closeQuietly(pw);
    }
    return null;
}

From source file:JapaneseHelloWorldServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    response.setContentType("text/html");
    response.setLocale(Locale.JAPANESE);
    PrintWriter out = response.getWriter();
    out.println("<FONT SIZE=+2>");
    out.println("\u4eca\u65e5\u306f\u4e16\u754c");
    out.println("</FONT>");
}

From source file:org.chtijbug.drools.platform.web.security.Http401UnauthorizedEntryPoint.java

@Override
public void commence(HttpServletRequest request, HttpServletResponse response,
        AuthenticationException authException) throws IOException, ServletException {
    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    response.getWriter().write("Need authentication");
}

From source file:com.dianping.cache.servlet.RestCacheManagementServlet.java

/**
 * Get building message parameters, and then send this message to JMS
 * server./*from  w  w w .j  a va2s  .  c o m*/
 */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    PrintWriter out = resp.getWriter();
    try {
        String uri = req.getRequestURI();
        if (StringUtils.isBlank(uri)) {
            out.println("Uri can not be null or empty.");
        }
        String action = uri.substring(uri.lastIndexOf("/") + 1);
        if (action.indexOf("?") != -1) {
            action = action.substring(0, action.indexOf("?"));
        }
        logger.info("uri:" + uri + ", action:" + action);
        if (!REQ_CLEAR_BY_CATEGORY.equalsIgnoreCase(action) && !REQ_CLEAR_BY_KEY.equalsIgnoreCase(action)
                && !REQ_INC_CATEGORY_VERSION.equalsIgnoreCase(action)
                && !REQ_PUSH_CATEGORY_CONFIG.equalsIgnoreCase(action)) {
            out.println("Invalid uri:" + uri
                    + "(Use clearCacheByCategory, clearCacheByKey, incCacheCategoryVersion or pushCacheCategoryConfig)");
        }

        ContextUtils.putLocalContext("CLIENT_IP", IPUtils.getUserIP(req));
        if (REQ_CLEAR_BY_CATEGORY.equalsIgnoreCase(action)) {
            cacheManageService.clearByCategory(req.getParameter(PARAM_CATEGORY), req.getParameter(PARAM_IPS));
        } else if (REQ_CLEAR_BY_KEY.equalsIgnoreCase(action)) {
            cacheManageService.clearByKey(req.getParameter(PARAM_CACHETYPE), req.getParameter(PARAM_KEY));
        } else if (REQ_INC_CATEGORY_VERSION.equalsIgnoreCase(action)) {
            cacheManageService.incVersion(req.getParameter(PARAM_CATEGORY));
        } else {
            cacheManageService.pushCategoryConfig(req.getParameter(PARAM_CATEGORY),
                    req.getParameter(PARAM_IPS));
        }

        out.println("OK");
    } catch (RuntimeException e) {
        out.println("ERROR: " + e.getMessage());
    } finally {
        out.close();
    }
}

From source file:SettingandReadingCookies.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();

    out.println("<HTML>");
    out.println("<HEAD>");
    out.println("<TITLE>");
    out.println("A Web Page");
    out.println("</TITLE>");
    out.println("</HEAD>");
    out.println("<BODY");

    Cookie[] cookies = request.getCookies();
    boolean foundCookie = false;

    for (int loopIndex = 0; loopIndex < cookies.length; loopIndex++) {
        Cookie cookie1 = cookies[loopIndex];
        if (cookie1.getName().equals("color")) {
            out.println("bgcolor = " + cookie1.getValue());
            foundCookie = true;/*from  w  ww  . j  a v  a  2 s. c  om*/
        }
    }

    if (!foundCookie) {
        Cookie cookie1 = new Cookie("color", "cyan");
        cookie1.setMaxAge(24 * 60 * 60);
        response.addCookie(cookie1);
    }

    out.println(">");
    out.println("<H1>Setting and Reading Cookies</H1>");
    out.println("This page will set its background color using a cookie when reloaded.");
    out.println("</BODY>");
    out.println("</HTML>");
}

From source file:Cookies.java

public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType("text/html");
    req.getSession();//from  ww  w .  j  a  v a  2 s .c  o m
    PrintWriter out = resp.getWriter();
    Cookie cookies[] = req.getCookies();
    out.println("<html>");
    out.println("<head>");
    out.println("<title>Servlet Cookie Information</title>");
    out.println("</head>");
    out.println("<body>");

    if ((cookies == null) || (cookies.length == 0)) {
        out.println("<center><h1>No Cookies found</h1>");
    } else {

        out.println("<center><h1>Cookies found</h1>");
        out.println("<table border>");
        out.println("<tr><th>Name</th><th>Value</th>" + "<th>Comment</th><th>Max Age</th></tr>");

        for (int i = 0; i < cookies.length; i++) {
            Cookie c = cookies[i];
            out.println("<tr><td>" + c.getName() + "</td><td>" + c.getValue() + "</td><td>" + c.getComment()
                    + "</td><td>" + c.getMaxAge() + "</td></tr>");
        }

        out.println("</table></center>");
    }
    out.println("</body>");
    out.println("</html>");
    out.flush();
}