@SuppressWarnings("squid:S00112")
@Override
public void doFilter(
ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
throws IOException, ServletException {
// create response wrapper to capture the output stream from further down the filter chain
ResponseWrapper respWrap = new ResponseWrapper((HttpServletResponse) servletResponse);
filterChain.doFilter(servletRequest, respWrap);
HttpServletRequest req = (HttpServletRequest) servletRequest;
// Print out info from request & response wrapper
LOG.info("URI: {}", req.getRequestURI());
LOG.info("Status: {}", respWrap.getStatus());
LOG.info("resp Header 'Content-Type: {}", respWrap.getHeader("Content-Type"));
String content = respWrap.getContent();
LOG.info("Content Body: '{}'", content);
// verify that the content is not empty. This fails in repose but works in tomcat
if (content.isEmpty()) {
throw new RuntimeException("Content is empty");
}
// writer content to the actual servletResponse & append additional content
servletResponse
.getWriter()
.write(
content
+ "<extra> Added by TestFilter, should also see the rest of the content </extra>");
servletResponse.getWriter().flush();
}
private void generateAPIResponse(ServletRequest request, ServletResponse response) {
try {
HttpServletRequest httpRequest = (HttpServletRequest) request;
String message = "Server is under maintenance mode, please try later.";
if (requestIsOfType(JSON, httpRequest)) {
response.setContentType("application/json");
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("message", message);
response.getWriter().print(jsonObject);
} else if (requestIsOfType(XML, httpRequest)) {
response.setContentType("application/xml");
String xml = String.format("<message> %s </message>", message);
response.getWriter().print(xml);
} else {
generateHTMLResponse(response);
}
} catch (IOException e) {
LOGGER.error(String.format("General IOException: %s", e.getMessage()));
}
((HttpServletResponse) response).setStatus(503);
}
/* ------------------------------------------------------------ */
private void commitResponse(ServletResponse response, Request baseRequest) throws IOException {
if (baseRequest.getResponse().isWriting()) {
try {
response.getWriter().close();
} catch (IllegalStateException e) {
response.getOutputStream().close();
}
} else {
try {
response.getOutputStream().close();
} catch (IllegalStateException e) {
response.getWriter().close();
}
}
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse rpo = (HttpServletResponse) response;
javax.servlet.http.HttpSession session = req.getSession();
try {
req.setCharacterEncoding("utf-8");
} catch (Exception e1) {
e1.printStackTrace();
}
String userId = (String) session.getAttribute("username");
if (userId != null) {
try {
chain.doFilter(request, response);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ServletException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else {
try {
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
out.print("{'success':false,'msg':'未登录或登录失效'}");
out.flush();
out.close();
// rpo.sendRedirect("/login.jsp");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public void service(ServletRequest request, ServletResponse response)
throws IOException, ServletException {
PrintWriter out = response.getWriter();
response.setContentType("text/html");
out.println("<h1>hello Servlet</h1>");
}
@Override
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
int a = Integer.parseInt(request.getParameter("a"));
int b = Integer.parseInt(request.getParameter("b"));
String op = request.getParameter("op");
int result = 0;
switch (op) {
case "+":
result = a + b;
break;
case "-":
result = a - b;
break;
case "*":
result = a * b;
break;
case "/":
result = a / b;
break;
}
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<body>");
out.println("<p>" + a + " " + op + " " + b + " = " + result + "</p>");
out.println("</body>");
out.println("</html>");
}
@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);
}
@Override
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
System.out.println("service");
// 최초로 파라미터 값을 꺼내기 전에 클라이언트가 보낸 문자의 코드를 먼저 설정해야 한다.
// 단, POST 방식에만 해당!
// GET? 서블릿 컨테이너 마다 달라요!
// 톰캣은? 구글링!
request.setCharacterEncoding("UTF-8");
String name = request.getParameter("name");
int age = Integer.parseInt(request.getParameter("age"));
char c;
for (int i = 0; i < name.length(); i++) {
c = name.charAt(i);
System.out.println(Integer.toHexString(c));
}
response.setContentType("text/plain;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("안녕하세요!");
out.println("이름: " + name);
out.println("나이: " + age);
}
public void doFilter(ServletRequest req, ServletResponse res, FilterChain filterChain)
throws IOException, ServletException {
PrintWriter w = res.getWriter();
w.write(foo != null ? foo.peek() : "foo was null for peek");
filterChain.doFilter(req, res);
w.write(foo != null ? foo.poke() : "foo was null for poke");
}
@Override
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
int no = Integer.parseInt(request.getParameter("no"));
productDao.delete(no);
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<mete http-equiv='Refresh' content='5;url=list'>");
out.println("<link rel='stylesheet' ");
out.println("href='../../css/bootstrap.min.css'>");
out.println("<link rel='stylesheet' ");
out.println("href='../../css/bootstrap-theme.min.css'>");
out.println("<link rel='stylesheet' href='../../css/common.css'>");
out.println("</head>");
out.println("<body>");
out.println("<div class='container'>");
out.println("<h1>삭제 결과</h1>");
out.println("<p>삭제하였습니다.</p>");
out.println("</div>");
out.println("</body>");
out.println("</html>");
}
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
System.out.println("from service");
PrintWriter out = response.getWriter();
out.println("Hello.Roses are red.");
out.print("Violets are blue.");
}
/** Executes the JSP Page */
public void service(ServletRequest request, ServletResponse response)
throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse res = (HttpServletResponse) response;
_caucho_init(req, res);
if (_hasSession) {
req.getSession();
res.setHeader("Cache-Control", "private");
}
// res.setContentLength(_contentLength);
TempCharBuffer buf = TempCharBuffer.allocate();
char[] cBuf = buf.getBuffer();
int len;
PrintWriter out = response.getWriter();
ReadStream rs = _cacheEntry.openRead();
rs.setEncoding("UTF-8");
try {
while ((len = rs.read(cBuf, 0, cBuf.length)) > 0) {
out.write(cBuf, 0, len);
}
} finally {
rs.close();
}
TempCharBuffer.free(buf);
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
response.setContentType("text/plain");
response.getWriter().print("Filter");
chain.doFilter(request, response);
}
public void service(ServletRequest req, ServletResponse res)
throws IOException, ServletException {
visits.recordVisit();
List<Visit> recordedVisits = visits.getVisits();
res.getWriter().write(recordedVisits.toString());
}
/**
* CSV output contains one recommendation per line, and each line is of the form {@code
* itemID,strength}, like {@code "ABC",0.53}. Strength is an opaque indicator of the relative
* quality of the recommendation.
*/
final void output(ServletResponse response, Iterable<IDValue> items) throws IOException {
Writer writer = response.getWriter();
for (IDValue item : items) {
writer.write(DelimitedDataUtils.encode(item.getID(), Float.toString(item.getValue())));
writer.write('\n');
}
}
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
// ServletConfig conf=getServletConfig();
PrintWriter out = response.getWriter();
ServletContext ctx = getServletContext();
String place = ctx.getInitParameter("pl");
String email = ctx.getInitParameter("em");
String name = ctx.getInitParameter("nm");
Student s = new Student();
s.id = 12;
s.name = "raju";
ctx.setAttribute("stu", s);
String[] frtArr = {"mango", "orange", "grapes"};
ctx.setAttribute("arr", frtArr);
out.println(
"<html><body bgcolor='yellow'>"
+ "<h1>ONE</h1>"
+ "<p>"
+ place
+ "<br>"
+ email
+ "<br>"
+ name
+ "</p>"
+ "<a href='TwoServ'>two</a>"
+ "</body></html>");
out.close();
}
@Override
public void doFilter(ServletRequest req, ServletResponse resp, FilterChain filterChain)
throws IOException, ServletException {
m_logger.info("PublisherFilter doFilter");
HttpServletRequest httpReq = (HttpServletRequest) req;
String remoteReq = httpReq.getRequestURL().toString();
int idx = remoteReq.lastIndexOf('/');
String res = null;
try {
String id = req.getParameter("id");
if (remoteReq.substring(idx).startsWith("/info")) {
res = m_helper.getInfo(id);
m_logger.debug(" Pub id=" + id + " " + res);
if (res == null) {
req.setAttribute(PaperMinerConstants.ERROR_PAGE, "e200");
} else {
resp.setContentType("text/json");
PrintWriter pm = resp.getWriter();
pm.write(res);
pm.close();
}
}
} catch (PaperMinerException ex) {
req.setAttribute(PaperMinerConstants.ERROR_PAGE, "e201");
}
filterChain.doFilter(req, resp);
return;
}
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
/**
* We get the content length using getContentLength and we read from the input stream. if the no
* of chars read matches the no returned by getContentLength we pass the test
*/
PrintWriter out = response.getWriter();
// get the content length
int contentLength = request.getContentLength();
int len = 0;
// getting input stream
ServletInputStream sin = request.getInputStream();
// read from the stream
while (sin.read() != -1) {
len++;
}
// did we get what we wrote
if ((contentLength == len) || (contentLength == -1)) {
out.println("GetContentLengthTest test PASSED");
} else {
out.println("GetContentLengthTest test FAILED <BR> ");
out.println(" ServletRequest.getContentLength() method FAILED <BR> ");
out.println(" Expected Value returned ->" + contentLength + " <BR> ");
out.println(" Actual Value returned -> " + len);
}
}
@Override
public void onError(AsyncEvent event) throws IOException {
ServletResponse resp = event.getAsyncContext().getResponse();
resp.getWriter().write("onError-");
resp.flushBuffer();
if (completeOnError) {
event.getAsyncContext().complete();
}
}
@RequestMapping("{productId}")
public void jsonProduct(@PathVariable Integer productId, ServletResponse resp) {
try {
resp.getWriter().print("{id='" + productId + "', name='vodor'}");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException {
System.out.println("\n\n-----Service called----\n");
res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.print("<html><body>");
out.print("<b>hello simple servlet</b>");
out.print("</body></html>");
}
private void generateResponseForIsBackupFinishedAPI(ServletResponse response) {
response.setContentType("application/json");
JsonObject json = new JsonObject();
json.addProperty("is_backing_up", backupService.isBackingUp());
try {
response.getWriter().print(json);
} catch (IOException e) {
LOGGER.error(String.format("General IOException: %s", e.getMessage()));
}
}
/** {@inheritDoc} */
@Override
public void doFilter(
final ServletRequest request, final ServletResponse response, final FilterChain chain)
throws IOException, ServletException {
try {
templateEngine.process("index", createContext(request, response), response.getWriter());
} catch (Exception e) {
throw new ServletException(e);
}
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
// if a book has been reserved then it cannot be reserved again, cannot be edited and cannot be
// removed
// if a book has been returned then it cannot be returned again
boolean canProceed = false;
boolean tryingToReturnBook = (request.getParameter("returningBook") != null);
EntityManager em = PersistenceAdapter.getEntityManager();
String title = request.getParameter("bookName").trim();
String author = request.getParameter("authorName").trim();
Book book =
(Book)
em.createNamedQuery("bookByTitleAndAuthor")
.setParameter("bookName", title)
.setParameter("authorName", author)
.getSingleResult();
try {
em.createNamedQuery("lendingByBook").setParameter("lendedBook", book).getSingleResult();
// if the user is trying to return a book and the book has been borrowed then we can proceed
if (tryingToReturnBook) {
canProceed = true;
} else {
canProceed = false;
}
} catch (NoResultException exc) {
// if the book has not been borrowed and the user is trying to return it, then we cannot
// proceed
if (tryingToReturnBook) {
canProceed = false;
} else {
canProceed = true;
}
}
if (canProceed) {
chain.doFilter(request, response);
} else {
JsonObject object = new JsonObject();
object.addProperty("canProceed", false);
response.getWriter().print(new Gson().toJson(object));
((HttpServletResponse) response).setStatus(400);
return;
}
}
public void service(ServletRequest request, ServletResponse response)
throws IOException, ServletException {
PrintWriter out = response.getWriter();
response.setContentType("text/html");
out.println(
"<h1>company "
+ conf.getInitParameter("company")
+ " @ "
+ conf.getInitParameter("location")
+ "</h1>");
}
public String execute() throws IOException {
ArrayList<MeetingRoom> tran;
ServletResponse response = ServletActionContext.getResponse();
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
DeleteMeetingRoomService show = new DeleteMeetingRoomService();
tran = show.Showlist();
JSONArray jsonArray = JSONArray.fromObject(tran);
out.print(jsonArray);
return null;
}
/**
* 输出JSON
*
* @param response
* @param json
* @throws IOException
*/
public static void writeJsonToResponse(ServletResponse response, JSONObject json)
throws IOException {
response.setContentType("text/html;charset=utf-8");
/*//放开下面注释的代码就可以支持跨域
if (response instanceof javax.servlet.http.HttpServletResponse) {
//"*"表明允许任何地址的跨域调用，正式部署时应替换为正式地址
((javax.servlet.http.HttpServletResponse)response).addHeader("Access-Control-Allow-Origin", "*");
}*/
response.getWriter().write(json.toJSONString());
}
/**
* Services this request in the same way as it would be serviced if configured as a Servlet. Does
* not invoke any filters further down the chain. See the class-level comment for the reason why
* this servlet might be configured as a filter.
*/
@Override
public void doFilter(
final ServletRequest request, final ServletResponse response, final FilterChain chain)
throws IOException, ServletException {
if (Math.random() > 0.7d) {
// response.setStatus(404);
response.getWriter().println("The chaos monkey strikes again!");
response.flushBuffer();
} else {
super.doFilter(request, response, chain);
}
}
@Override
public void onTimeout(AsyncEvent event) throws IOException {
ServletResponse resp = event.getAsyncContext().getResponse();
resp.getWriter().write("onTimeout-");
resp.flushBuffer();
if (completeOnTimeout) {
if (dispatchUrl == null) {
event.getAsyncContext().complete();
} else {
event.getAsyncContext().dispatch(dispatchUrl);
}
}
}
private void generateHTMLResponse(ServletResponse response) {
String path = "backup_in_progress.html";
InputStream resourceAsStream = getClass().getClassLoader().getResourceAsStream(path);
response.setContentType("text/html");
try {
String content = FileUtil.readToEnd(resourceAsStream);
content = replaceStringLiterals(content);
response.getWriter().print(content);
resourceAsStream.close();
} catch (IOException e) {
LOGGER.error(String.format("General IOException: %s", e.getMessage()));
}
}
