javax.servlet.ServletResponse#getWriter

Source File: AuthorityFilter.java From springboot-learn with MIT License

7 votes

@Override
protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
    PrintWriter out = null;
    HttpServletResponse res = (HttpServletResponse) response;
    try {
        res.setCharacterEncoding("UTF-8");
        res.setContentType("application/json");
        out = response.getWriter();
        out.println(JSONObject.toJSON(Result.error(MsgConstants.NOT_LOGIN)));
    } catch (Exception e) {
    } finally {
        if (null != out) {
            out.flush();
            out.close();
        }
    }
    return false;
}

Source File: AjaxPermissionsAuthorizationFilter.java From SpringBoot-Shiro-Vue with MIT License

7 votes

@Override
protected boolean onAccessDenied(ServletRequest request, ServletResponse response) {
	JSONObject jsonObject = new JSONObject();
	jsonObject.put("code", ErrorEnum.E_20011.getErrorCode());
	jsonObject.put("msg", ErrorEnum.E_20011.getErrorMsg());
	PrintWriter out = null;
	HttpServletResponse res = (HttpServletResponse) response;
	try {
		res.setCharacterEncoding("UTF-8");
		res.setContentType("application/json");
		out = response.getWriter();
		out.println(jsonObject);
	} catch (Exception e) {
	} finally {
		if (null != out) {
			out.flush();
			out.close();
		}
	}
	return false;
}

Source File: CaptchaFormAuthenticationFilter.java From MultimediaDesktop with Apache License 2.0

6 votes

/**
 * 主要是处理登入失败的方法
 */
@Override
protected boolean onLoginFailure(AuthenticationToken token,
		AuthenticationException e, ServletRequest request,
		ServletResponse response) {
	setFailureAttribute(request, e);
	if (!"XMLHttpRequest".equalsIgnoreCase(((HttpServletRequest) request)
			.getHeader("X-Requested-With"))) {// 不是ajax请求
		return true;
	}
	try {
		response.setCharacterEncoding("UTF-8");
		PrintWriter out = response.getWriter();
		out.printf("{success:false,message:'%s'}",
				request.getAttribute(getFailureKeyAttribute()));
		out.flush();
		out.close();
	} catch (IOException e1) {
		log.fatal("异步跳转异常", e);
	}
	return false;
}

Source File: MyUserFilter.java From MyBlog with Apache License 2.0

5 votes

@Override
protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
    response.setCharacterEncoding("UTF-8");
    response.setContentType("application/json; charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.write(JSON.toJSONString(MyResponse.createResponse(ResponseEnum.NON_LOGIN)));
    return false;
}

Source File: RegServlet.java From onlineTest with Apache License 2.0

5 votes

@Override
public void service(ServletRequest request, ServletResponse response)
		throws ServletException, IOException {
	    
	request.setCharacterEncoding("utf-8");
	response.setContentType("text/html;charset=utf-8");
	String loginname = request.getParameter("loginname");
	String password = request.getParameter("password");
	String email = request.getParameter("email");
	String phone = request.getParameter("phone");
	String sex = request.getParameter("sex");
	String birth = request.getParameter("birth");
	String uname = request.getParameter("uname");
	
	User user = new User(0, loginname, password, email, phone, sex, birth, uname, "0");
	UserDAO userDAO = new UserDAO();
	PrintWriter out = response.getWriter();
	out.println("<!DOCTYPE html>");
	out.println("<html>");
	out.println("	<head>");
	out.println("	</head>");
	out.println("	<body>");
	if(userDAO.add(user)){
		out.println("	恭喜，注册成功！<a href=\"/login.html\">进入登录页面</a>");
	}else{
		out.println("	抱歉，注册失败！<a href=\"/reg.html\">回到首页</a>");
	}
	out.println("	</body>");
	out.println("</html>");
	out.flush();
	out.close();
}

Source File: LoginServlet.java From onlineTest with Apache License 2.0

5 votes

@Override
public void service(ServletRequest request, ServletResponse response)
		throws ServletException, IOException {
	response.setContentType("text/html;charset=utf-8");
	
	String loginname = request.getParameter("loginname");
	String password = request.getParameter("password");
	UserDAO userDAO = new UserDAO();
	User user = userDAO.login(loginname, password);
	PrintWriter out = response.getWriter();
	out.println("<!DOCTYPE html>");
	out.println("<html>");
	out.println("	<head>");
	out.println("	</head>");
	out.println("	<body>");
	if(user != null){			
		((HttpServletRequest)request).getSession().setAttribute("user", user);
		if("1".equals(user.getUlevel())){
			out.println("<div align=\"center\">欢迎 " + user.getUname() + ", 登录成功！<a href=\"/user/list.action\">点击进入管理员页面</a></div>");
		}else{
			out.println("<div align=\"center\">欢迎 " + user.getUname() + ", 登录成功！<a href=\"/test.action\">点击开始考试</a></div>");
		}
	}else{
		out.println("<div align=\"center\">登录失败，请重新登录<a href=\"/login.html\">登录</a></div>");
	}         
	out.println("	</body>");
	out.println("</html>");
	out.flush();
	out.close();
}

Source File: IncludeTagFilter.java From sling-org-apache-sling-dynamic-include with Apache License 2.0

5 votes

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
        ServletException {
    final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest) request;
    final String resourceType = slingRequest.getResource().getResourceType();

    final Configuration config = configurationWhiteboard.getConfiguration(slingRequest, resourceType);
    if (config == null) {
        chain.doFilter(request, response);
        return;
    }

    final IncludeGenerator generator = generatorWhiteboard.getGenerator(config.getIncludeTypeName());
    if (generator == null) {
        LOG.error("Invalid generator: " + config.getIncludeTypeName());
        chain.doFilter(request, response);
        return;
    }

    final PrintWriter writer = response.getWriter();
    final String url = getUrl(config, slingRequest);
    if (url == null) {
        chain.doFilter(request, response);
        return;
    }

    if (config.getAddComment()) {
        writer.append(String.format(COMMENT, StringEscapeUtils.escapeHtml4(url), resourceType));
    }

    // Only write the includes markup if the required, configurable request
    // header is present
    if (shouldWriteIncludes(config, slingRequest)) {
        String include = generator.getInclude(url);
        LOG.debug(include);
        writer.append(include);
    } else {
        chain.doFilter(request, response);
    }
}

Source File: XSSWebAppSRPWDelay.java From spiracle with Apache License 2.0

5 votes

@Override
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
    try {
        Thread.sleep(10000);
    } catch (Exception e) {
        e.printStackTrace();
    }
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    ReadHTML.readHTML(out, req.getParameter("taintedtext"), req);
}

Source File: ServletResponseMethodArgumentResolver.java From java-technology-stack with MIT License

5 votes

private Object resolveArgument(Class<?> paramType, ServletResponse response) throws IOException {
	if (OutputStream.class.isAssignableFrom(paramType)) {
		return response.getOutputStream();
	}
	else if (Writer.class.isAssignableFrom(paramType)) {
		return response.getWriter();
	}

	// Should never happen...
	throw new UnsupportedOperationException("Unknown parameter type: " + paramType);
}

Source File: WebPBEConfigFilter.java From jasypt with Apache License 2.0

5 votes

public void doFilter(final ServletRequest request, final ServletResponse response,
        final FilterChain chain) throws IOException, ServletException {

    final WebPBEConfigRegistry registry = WebPBEConfigRegistry.getInstance();
    if (registry.isWebConfigurationDone()) {
        // If it is initialized, quickly continue filter chain
        chain.doFilter(request, response);
    } else {
        // Not initialized, a Forbidden page must be shown, chain broken
        PrintWriter printWriter = response.getWriter();
        printWriter.write(WebPBEConfigHtmlUtils.createNotInitializedHtml());
        printWriter.flush();
    }
    
}

Source File: SystemLogoutFilter.java From web-flash with MIT License

5 votes

private void writeResult(ServletResponse response){
    //响应Json结果
    PrintWriter out = null;
    try {
        out = response.getWriter();
        out.append(JsonUtil.toJson(Rets.success()));
    } catch (IOException e) {
        logger.error("返回Response信息出现IOException异常:" + e.getMessage());
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

Source File: ServletBlockingHttpExchange.java From quarkus-http with Apache License 2.0

5 votes

@Override
public OutputStream getOutputStream() {
    ServletResponse response = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY).getServletResponse();
    try {
        try {
            return response.getOutputStream();
        } catch (IllegalStateException ex) {
            return new WriterOutputStream(exchange, response.getWriter(), response.getCharacterEncoding());
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

Source File: Bug2928673.java From spotbugs with GNU Lesser General Public License v2.1

5 votes

public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
        throws IOException, ServletException {
    if (response instanceof HttpServletResponse) {
        final PrintWriter out = response.getWriter();
        final HttpServletResponse wrapper = (HttpServletResponse) response;
        chain.doFilter(request, wrapper);
        final String origData = wrapper.getContentType();
        if (LOGGER.isLoggable(Level.FINE)) {
            LOGGER.log(Level.FINE, "Hello");
        }
        if ("text/html".equals(wrapper.getContentType())) {
            final CharArrayWriter caw = new CharArrayWriter();
            final int bodyIndex = origData.indexOf("</body>");
            if (-1 != bodyIndex) {
                caw.write(origData.substring(0, bodyIndex - 1));
                caw.write("\n<p>My custom footer</p>");
                caw.write("\n</body></html>");
                response.setContentLength(caw.toString().length());
                out.write(caw.toString());
            } else {
                out.write(origData);
            }
        } else {
            out.write(origData);
        }
        out.close();
    } else {
        chain.doFilter(request, response);
    }
}

Source File: ServletResponseMethodArgumentResolver.java From spring-analysis-note with MIT License

5 votes

private Object resolveArgument(Class<?> paramType, ServletResponse response) throws IOException {
	if (OutputStream.class.isAssignableFrom(paramType)) {
		return response.getOutputStream();
	}
	else if (Writer.class.isAssignableFrom(paramType)) {
		return response.getWriter();
	}

	// Should never happen...
	throw new UnsupportedOperationException("Unknown parameter type: " + paramType);
}

Source File: ServletBlockingHttpExchange.java From lams with GNU General Public License v2.0

5 votes

@Override
public Sender getSender() {
    try {
        return new BlockingSenderImpl(exchange, getOutputStream());
    } catch (IllegalStateException e) {
        ServletResponse response = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY).getServletResponse();
        try {
            return new BlockingWriterSenderImpl(exchange, response.getWriter(), response.getCharacterEncoding());
        } catch (IOException e1) {
            throw new RuntimeException(e1);
        }
    }
}

Source File: TestStandardContext.java From Tomcat8-Source-Read with MIT License

5 votes

@Override
public void doFilter(ServletRequest request, ServletResponse response,
        FilterChain chain) throws IOException, ServletException {
    PrintWriter out = response.getWriter();
    out.print(getClass().getName());
    chain.doFilter(request, response);
}

Source File: PreviewFilter.java From publick-sling-blog with Apache License 2.0

4 votes

/**
 * Handle blog posts that are not published. If the user is authenticated,
 * display a preview bar. If the user is anonymous, seve a 404.
 *
 * @param request The Sling HTTP Servlet Request.
 * @param response The Sling HTTP Servlet Response.
 * @param chain The Filter Chain to continue processin the response.
 */
@Override
public void doFilter(final ServletRequest request, final ServletResponse response,
        final FilterChain chain) throws IOException, ServletException {

    // Since this is a Sling Filter, the request and response objects are guaranteed
    // to be of types SlingHttpServletRequest and SlingHttpServletResponse.
    final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest)request;
    final SlingHttpServletResponse slingResponse = (SlingHttpServletResponse)response;

    final Resource resource = slingRequest.getResource();
    final String method = slingRequest.getMethod();
    final String resourceType = resource.getResourceType();

    response.setCharacterEncoding(CharEncoding.UTF_8);

    if ("GET".equals(method) && PublickConstants.PAGE_TYPE_BLOG.equals(resourceType)) {

        if (!resource.getValueMap().get("visible", false)) {
            final boolean authorable = userService.isAuthorable(slingRequest.getResourceResolver().adaptTo(Session.class));

            /* If user is logged in and page isn't published, inject a preview bar. */
            if (authorable) {
                PrintWriter out = response.getWriter();
                CharResponseWrapper responseWrapper = new CharResponseWrapper((HttpServletResponse)response);

                try {
                  chain.doFilter(request, responseWrapper);
                } catch (Exception e) {
                  LOGGER.error("Could not continue chain", e);
                  chain.doFilter(request, response);
                }

                final String servletResponse = new String(responseWrapper.toString());
                final String previewHeader = getPreviewHeader(slingRequest, PREVIEW_HEADER_PATH);

                /* Insert component before body close tag. Append to end if body close tag doesn't exist. */
                if (servletResponse != null && servletResponse.contains(INSERTION_TAG)) {
                    String[] html = servletResponse.split(INSERTION_TAG);

                    out.write(html[0] + INSERTION_TAG + previewHeader + html[1]);
                } else {
                    out.write(servletResponse + previewHeader);
                }
            } else {
                /* If user is not logged in and page isn't published, forward to 404. */
                slingResponse.sendError(SlingHttpServletResponse.SC_NOT_FOUND);
            }
        } else {
            chain.doFilter(request, slingResponse);
        }
    } else {
        chain.doFilter(request, slingResponse);
    }
}

Source File: TutorialFilter.java From projectforge-webapp with GNU General Public License v3.0

4 votes

public void doFilter(final ServletRequest req, final ServletResponse resp, final FilterChain chain) throws IOException, ServletException
{
  final String uri = ((HttpServletRequest) req).getRequestURI();
  if (uri.matches(".*/ProjectForge.*.html") == false) {
    chain.doFilter(req, resp);
    return;
  }
  final PrintWriter out = resp.getWriter();
  final CharResponseWrapper wrapper = new CharResponseWrapper((HttpServletResponse) resp);
  chain.doFilter(req, wrapper);
  final CharArrayWriter caw = new CharArrayWriter();
  final String tutorialUrl = ((HttpServletResponse) resp).encodeURL(WicketUtils.getAbsoluteUrl("/wa/tutorial"));
  final String regexp = "(\\{actionLink\\|)([a-zA-Z0-9]*)\\|([a-zA-Z0-9_\\-]*)(\\})([^\\{]*)(\\{/actionLink\\})";
  final Pattern p = Pattern.compile(regexp, Pattern.MULTILINE | Pattern.DOTALL); // Compiles regular expression into Pattern.
  final Matcher m = p.matcher(wrapper.toString());
  final StringBuffer buf = new StringBuffer();
  // final String html = m.replaceAll(tutorialUrl + "/Hurzel");
  try {
    while (m.find() == true) {
      int i = 2;
      if (m.groupCount() != 6) {
        buf.append("{actionLink syntax error: " + m.groupCount() + ".}");
        continue;
      }
      // {actionLink|createUser|linda}create{/actionLink}
      m.appendReplacement(buf, "<a target=\"tutorial\" href=\"");
      buf.append(tutorialUrl);
      final String type = m.group(i++); // createUser
      if (type == null) {
        buf.append("\">create</a>");
        continue;
      }
      buf.append("?type=").append(type).append("&ref=");
      final String ref = m.group(i++);
      if (ref == null) {
        buf.append("\">create</a>");
        continue;
      }
      buf.append(ref).append("\"><img src=\"images/actionlink_add.png\" style=\"vertical-align:middle;border:none;\" />");
      i++; // }
      final String label = m.group(i++);
      if (label == null) {
        buf.append("\">create</a>");
        continue;
      }
      buf.append(label);
      buf.append("</a>");
    }
    m.appendTail(buf);
  } catch (final Exception ex) {
    log.error(ex.getMessage(), ex);
  }

  // html = html.replace("{actionLink}", tutorialUrl);
  // <link url="{actionLink}?type=createUser&amp;ref=linda" target="tutorial">create</link>
  caw.write(buf.toString());
  // caw.write(wrapper.toString().substring(0, wrapper.toString().indexOf("</body>") - 1));
  // caw.write("<p>\n<center>" + messages.getString("Visitor") + "<font color='red'>" + counter.getCounter() + "</font></center>");
  // caw.write("\n</body></html>");
  resp.setContentLength(caw.toString().length());
  out.write(caw.toString());
  out.close();
}

Source File: Inter14.java From JAADAS with GNU General Public License v3.0

4 votes

private void f(String s1, int i, ServletResponse resp) throws IOException {
	if(i != 0) {
	    PrintWriter writer = resp.getWriter();
        writer.println(s1);                    /* BAD */
	}		
}

Source File: Inter4.java From JAADAS with GNU General Public License v3.0

4 votes

private void f(ServletResponse resp) throws IOException {
    PrintWriter writer = resp.getWriter();
    writer.println(this.name);         /* BAD */        
}

Java Code Examples for javax.servlet.ServletResponse#getWriter()