Java Code Examples for javax.servlet.http.HttpServletRequest#getProtocol()

@Override
protected void writeErrorPage(HttpServletRequest request, Writer writer, int code, String message, boolean showStacks) throws IOException {
    if (message == null)
        message=HttpStatus.getMessage(code);

    // Write a very short body (this makes people pushing with collectd happy).
    writer.write(String.valueOf(code));
    writer.write(" -- ");
    writer.write(message);

    // Log the request error.
    Throwable th = (Throwable)request.getAttribute(RequestDispatcher.ERROR_EXCEPTION);
    if (th != null) {
        final String http_request = request.getMethod() + ' ' + request.getRequestURI() + ' ' + request.getProtocol();
        LOG.log(Level.WARNING, http_request, th);
    }
}
 

public HttpRequestInfo(HttpServletRequest request) {
    this.authType = request.getAuthType();
    this.contextPath = request.getContextPath();
    populateHeaders(request);
    this.method = request.getMethod();
    this.pathInfo = request.getPathInfo();
    this.queryString = request.getQueryString();
    this.requestURI = request.getRequestURI();
    this.servletPath = request.getServletPath();
    this.contentType = request.getContentType();
    this.characterEncoding = request.getCharacterEncoding();
    this.contentLength = request.getContentLength();
    this.localName = request.getLocalName();
    this.localPort = request.getLocalPort();
    populateParameters(request);
    this.protocol = request.getProtocol();
    this.remoteAddr = request.getRemoteAddr();
    this.remoteHost = request.getRemoteHost();
    this.remotePort = request.getRemotePort();
    this.serverName = request.getServerName();
    this.secure = request.isSecure();
    populateAttributes(request);
}
 

private void doService(HttpServletRequest req, HttpServletResponse resp, HttpMethod httpMethod) {
  if (log.isDebugEnabled()) {
    log.debug("DispatcherServlet accept request for [{}] on method [{}]", req.getServletPath(),
        httpMethod);
  }

  String requestUri = req.getRequestURI();
  String queryString = req.getQueryString();
  if (queryString != null && queryString.length() > 0) {
    requestUri += Strings.QUESTION_MARK + queryString;
  }

  final Request request = new Request(httpMethod, requestUri, req.getProtocol());
  request.addAttribute(Request.ORIGINAL_REQUEST, req);
  request.addAttribute(Response.ORIGINAL_RESPONSE, resp).local();
  final Response response = new Response(request);
  response.local();
  final RoutingContext ctx = new RoutingContextImpl(request, response);
  try {
    Context.dispatch(ctx);
  } catch (Exception e) {
    Context.routeError(ctx, e);
  } finally {
    Request.clear();
    Response.clear();
    copyResponse(response, resp);
    copyStream(response, resp);
  }
}
 

protected void notSupported(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    String protocol = req.getProtocol();
    String msg = "HTTP "+req.getMethod()+" not supported" ;
    if (protocol.endsWith("1.1")) {
        ServletOps.error(HttpServletResponse.SC_METHOD_NOT_ALLOWED, msg);
    } else {
        ServletOps.error(HttpServletResponse.SC_BAD_REQUEST, msg);
    }
}
 

private void serviceTrace(HttpServletRequest req, HttpServletResponse resp)
    throws IOException
{
  int responseLength;

  final String CRLF = "\r\n";
  String responseString =
    "TRACE " + req.getRequestURI() + " " + req.getProtocol();

  @SuppressWarnings("unchecked")
  final Enumeration<String> reqHeaderEnum = req.getHeaderNames();

  while (reqHeaderEnum.hasMoreElements()) {
    final String headerName = reqHeaderEnum.nextElement();
    responseString += CRLF + headerName + ": " + req.getHeader(headerName);
  }

  responseString += CRLF;

  responseLength = responseString.length();

  resp.setContentType("message/http");
  resp.setContentLength(responseLength);
  final ServletOutputStream out = resp.getOutputStream();
  out.print(responseString);
  out.close();
}
 

@Override
public void handle(String target, Request baseRequest,
        HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    LOGGER.info("request from " + request.getRemoteAddr());
    response.setContentType("text/html;charset=utf-8");
    final Reader reader = request.getReader();
    try {
        JAXBContext ctx = JAXBContext.newInstance(Mmi.class);
        final Unmarshaller unmarshaller = ctx.createUnmarshaller();
        final Object o = unmarshaller.unmarshal(reader);
        if (o instanceof Mmi) {
            final Mmi mmi = (Mmi) o;
            LOGGER.info("received MMI event: " + mmi);
            final String protocol = request.getProtocol();
            final DecoratedMMIEvent event = new DecoratedMMIEvent(this, mmi);
            final Runnable runnable = new Runnable() {
                @Override
                public void run() {
                    notifyMMIEvent(protocol, event);
                }
            };
            final Thread thread = new Thread(runnable);
            thread.start();
            response.setStatus(HttpServletResponse.SC_OK);
        } else {
            LOGGER.warn("received unknown MMI object: " + o);
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        }
    } catch (JAXBException e) {
        LOGGER.error("unable to read input", e);
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
    }
    baseRequest.setHandled(true);
}
 

public HttpServletRequestSnapshot(HttpServletRequest request) {
    super(request);
    authType = request.getAuthType();
    characterEncoding = request.getCharacterEncoding();
    contentLength = request.getContentLength();
    contentType = request.getContentType();
    contextPath = request.getContextPath();
    cookies = request.getCookies();
    requestHeaderNames = request.getHeaderNames();
    Enumeration<String> tmp = request.getHeaderNames();
    while (tmp.hasMoreElements()) {
        String key = tmp.nextElement();
        headersMap.put(key, request.getHeaders(key));
    }
    localAddr = request.getLocalAddr();
    local = request.getLocale();
    localName = request.getLocalName();
    localPort = request.getLocalPort();
    method = request.getMethod();
    pathInfo = request.getPathInfo();
    pathTranslated = request.getPathTranslated();
    protocol = request.getProtocol();
    queryString = request.getQueryString();
    remoteAddr = request.getRemoteAddr();
    remoteHost = request.getRemoteHost();
    remotePort = request.getRemotePort();
    remoteUser = request.getRemoteUser();
    requestURI = request.getRequestURI();
    requestURL = request.getRequestURL();
    requestedSessionId = request.getRequestedSessionId();
    schema = request.getScheme();
    serverName = request.getServerName();
    serverPort = request.getServerPort();
    servletPath = request.getServletPath();
    if (request.isRequestedSessionIdValid()) {
        session = request.getSession();
    }
    principal = request.getUserPrincipal();
}
 

public RequestData(final HttpServletRequest request) {
    method = request.getMethod();
    uri = request.getRequestURI();
    protocol = request.getProtocol();
    servletPath = request.getServletPath();
    pathInfo = request.getPathInfo();
    pathTranslated = request.getPathTranslated();
    characterEncoding = request.getCharacterEncoding();
    queryString = request.getQueryString();
    contentLength = request.getContentLength();
    contentType = request.getContentType();
    serverName = request.getServerName();
    serverPort = request.getServerPort();
    remoteUser = request.getRemoteUser();
    remoteAddress = request.getRemoteAddr();
    remoteHost = request.getRemoteHost();
    remotePort = request.getRemotePort();
    localAddress = request.getLocalAddr();
    localHost = request.getLocalName();
    localPort = request.getLocalPort();
    authorizationScheme = request.getAuthType();
    preferredClientLocale = request.getLocale();
    allClientLocales = Collections.list(request.getLocales());
    contextPath = request.getContextPath();
    userPrincipal = request.getUserPrincipal();
    requestHeaders = getRequestHeaders(request);
    cookies = getCookies(request.getCookies());
    requestAttributes = getRequestAttributes(request);
}
 

public ServletRequestCopy(HttpServletRequest request) {
	this.servletPath = request.getServletPath();
	this.contextPath = request.getContextPath();
	this.pathInfo = request.getPathInfo();
	this.requestUri = request.getRequestURI();
	this.requestURL = request.getRequestURL();
	this.method = request.getMethod();
	this.serverName = request.getServerName();
	this.serverPort = request.getServerPort();
	this.protocol = request.getProtocol();
	this.scheme = request.getScheme();
	
	
	/*
	 * have to comment out below two lines as otherwise web socket will
	 * report UnSupportedOperationException upon connection
	 */
	//this.characterEncoding = request.getCharacterEncoding();
	//this.contentType = request.getContentType();
	//this.requestedSessionId = request.getRequestedSessionId();
	this.characterEncoding = null;
	this.contentType = null;
	this.requestedSessionId = null;
	
	this.locale = request.getLocale();
	this.locales = request.getLocales();
	this.isSecure = request.isSecure();
	this.remoteUser = request.getRemoteUser();
	this.remoteAddr = request.getRemoteAddr();
	this.remoteHost = request.getRemoteHost();
	this.remotePort = request.getRemotePort();
	this.localAddr = request.getLocalAddr();
	this.localName = request.getLocalName();
	this.localPort = request.getLocalPort();
	this.pathTranslated = request.getPathTranslated();
	this.principal = request.getUserPrincipal();

	HttpSession session = request.getSession(true);
	httpSession = new HttpSessionCopy(session);

	String s;
	Enumeration<String> e = request.getHeaderNames();
	while (e != null && e.hasMoreElements()) {
		s = e.nextElement();
		Enumeration<String> headerValues = request.getHeaders(s);
		this.headers.put(s, headerValues);
	}

	e = request.getAttributeNames();
	while (e != null && e.hasMoreElements()) {
		s = e.nextElement();
		attributes.put(s, request.getAttribute(s));
	}

	e = request.getParameterNames();
	while (e != null && e.hasMoreElements()) {
		s = e.nextElement();
		parameters.put(s, request.getParameterValues(s));
	}
}
 

/**
    * Creates an instance of ClientData based on the request
    */
   private void recordClientData(ClientData cd, 
			  HttpServletRequest request) {

String protocol = request.getProtocol();
while(protocol.endsWith("\n")) //NOI18N
    protocol = protocol.substring(0, protocol.length()-2);
 
cd.setAttributeValue("protocol", protocol); //NOI18N
cd.setAttributeValue("remoteAddress", //NOI18N
		     request.getRemoteAddr()); 

Enumeration hvals; 
StringBuffer valueBuf; 
int counter; 

// Software used
valueBuf = new StringBuffer(128);
counter = 0;
hvals = request.getHeaders(Constants.Http.userAgent);
if(hvals != null) { 
    while(hvals.hasMoreElements()) { 
	if(counter > 0) valueBuf.append(", "); // NOI18N
	valueBuf.append((String)hvals.nextElement());
	++counter;
    }
}
cd.setAttributeValue("software", valueBuf.toString()); //NOI18N
 
//Languages
valueBuf = new StringBuffer(128);
counter = 0;
hvals = request.getHeaders(Constants.Http.acceptLang);
if(hvals != null) { 
    while(hvals.hasMoreElements()) { 
	if(counter > 0) valueBuf.append(", "); // NOI18N
	valueBuf.append((String)hvals.nextElement());
	++counter;
    }
}
cd.setAttributeValue("locale", valueBuf.toString()); //NOI18N      

// File formats
valueBuf = new StringBuffer(128);
counter = 0;
hvals = request.getHeaders(Constants.Http.accept);
if(hvals != null) { 
    while(hvals.hasMoreElements()) { 
	if(counter > 0) valueBuf.append(", "); // NOI18N
	valueBuf.append((String)hvals.nextElement());
	++counter;
    }
}
cd.setAttributeValue("formatsAccepted", valueBuf.toString()); //NOI18N
		   
// Encoding
valueBuf = new StringBuffer(128);
counter = 0;
hvals = request.getHeaders(Constants.Http.acceptEncoding);
if(hvals != null) { 
    while(hvals.hasMoreElements()) { 
	if(counter > 0) valueBuf.append(", "); // NOI18N
	valueBuf.append((String)hvals.nextElement());
	++counter;
    }
}
cd.setAttributeValue("encodingsAccepted", valueBuf.toString()); //NOI18N
//Char sets
valueBuf = new StringBuffer(128);
counter = 0;
hvals = request.getHeaders(Constants.Http.acceptCharset);
if(hvals != null) { 
    while(hvals.hasMoreElements()) { 
	if(counter > 0) valueBuf.append(", "); // NOI18N
	valueBuf.append((String)hvals.nextElement());
	++counter;
    }
}
cd.setAttributeValue("charsetsAccepted", valueBuf.toString()); //NOI18N    

   }
 

/**
    * Creates an instance of RequestData based on the request
    */
   private void recordRequestData(RequestData rd, 
			   HttpServletRequest request) {

if(debug)  log(" recordRequestData()"); //NOI18N

// The method variable is used again below
String method = request.getMethod();

rd.setAttributeValue("uri", request.getRequestURI()); //NOI18N
rd.setAttributeValue("method", method); //NOI18N

String protocol = request.getProtocol();
while(protocol.endsWith("\n")) //NOI18N
    protocol = protocol.substring(0, protocol.length()-2);
rd.setAttributeValue("protocol", protocol); //NOI18N

rd.setAttributeValue("ipaddress", request.getRemoteAddr());//NOI18N

if(debug)  log("               doing query string"); //NOI18N

String queryString = request.getQueryString();
if(queryString == null || queryString.trim().equals("")) { //NOI18N
    queryString = ""; //NOI18N
}

if(debug)  log("Query string is: " + queryString); // NOI18N

// Parse it the way we do with the errors... 
rd.setAttributeValue("queryString", queryString); //NOI18N

//NOI18N
rd.setAttributeValue("scheme", request.getScheme()); //NOI18N

if(debug)  log("               doing headers"); //NOI18N
Headers headers = new Headers();
headers.setParam(recordHeaders(request));
rd.setHeaders(headers);

if(debug)  log("               doing request attributes...in"); //NOI18N
RequestAttributesIn reqattrin = new RequestAttributesIn();
reqattrin.setParam(recordRequestAttributes(request));
rd.setRequestAttributesIn(reqattrin);
   }
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	logger.info("访问 doGet");

	request.setCharacterEncoding("UTF-8");
	response.setCharacterEncoding("UTF-8");

	response.setContentType("text/html");

	String authType = request.getAuthType();
	String localAddr = request.getLocalAddr();
	Locale locale = request.getLocale();
	String localName = request.getLocalName();
	String contextPath = request.getContextPath();
	int localPort = request.getLocalPort();
	String method = request.getMethod();
	String pathInfo = request.getPathInfo();
	String pathTranslated = request.getPathTranslated();
	String protocol = request.getProtocol();
	String queryString = request.getQueryString();
	String remoteAddr = request.getRemoteAddr();
	int port = request.getRemotePort();
	String remoteUser = request.getRemoteUser();
	String requestedSessionId = request.getRequestedSessionId();
	String requestURI = request.getRequestURI();
	StringBuffer requestURL = request.getRequestURL();
	String scheme = request.getScheme();
	String serverName = request.getServerName();
	int serverPort = request.getServerPort();
	String servletPath = request.getServletPath();
	Principal userPrincipal = request.getUserPrincipal();

	String accept = request.getHeader("accept");
	String referer = request.getHeader("referer");
	String userAgent = request.getHeader("user-agent");

	String serverInfo = this.getServletContext().getServerInfo();

	PrintWriter out = response.getWriter();
	out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
	out.println("<HTML>");

	// 这里<title></title>之间的信息在浏览器中显示为标题
	out.println("  <HEAD><TITLE>Request Servlet</TITLE></HEAD>");
	out.println("  <style>body, font, td, div {font-size:12px; line-height:18px; }</style>");
	out.println("  <BODY>");

	out.println("<b>您的IP为</b> " + remoteAddr + "<b>；您使用</b> " + getOS(userAgent) + " <b>操作系统</b>，"
		+ getNavigator(userAgent) + " <b>。您使用</b> " + getLocale(locale) + "。<br/>");
	out.println("<b>服务器IP为</b> " + localAddr + localAddr + "<b>；服务器使用</b> " + serverPort + " <b>端口，您的浏览器使用了</b> "
		+ port + " <b>端口访问本网页。</b><br/>");
	out.println("<b>服务器软件为</b>：" + serverInfo + "。<b>服务器名称为</b> " + localName + "。<br/>");
	out.println("<b>您的浏览器接受</b> " + getAccept(accept) + "。<br/>");
	out.println("<b>您从</b> " + referer + " <b>访问到该页面。</b><br/>");
	out.println("<b>使用的协议为</b> " + protocol + "。<b>URL协议头</b> " + scheme + "，<b>服务器名称</b> " + serverName
		+ "，<b>您访问的URI为</b> " + requestURI + "。<br/>");
	out.println("<b>该 Servlet 路径为</b> " + servletPath + "，<b>该 Servlet 类名为</b> " + this.getClass().getName()
		+ "。<br/>");
	out.println("<b>本应用程序在硬盘的根目录为</b> " + this.getServletContext().getRealPath("") + "，<b>网络相对路径为</b> "
		+ contextPath + "。 <br/>");

	out.println("<br/>");

	out.println("<br/><br/><a href=" + requestURI + "> 点击刷新本页面 </a>");

	out.println("  </BODY>");
	out.println("</HTML>");
	out.flush();
	out.close();
}
 

private List<DebugInfo> createParts() throws ODataException {
  List<DebugInfo> parts = new ArrayList<DebugInfo>();

  // request
  final HttpServletRequest servletRequest =
      (HttpServletRequest) context.getParameter(ODataContext.HTTP_SERVLET_REQUEST_OBJECT);
  final String protocol = servletRequest == null ? null : servletRequest.getProtocol();
  parts.add(new DebugInfoRequest(context.getHttpMethod(), context.getPathInfo().getRequestUri(), protocol,
      context.getRequestHeaders()));

  // response
  parts.add(new DebugInfoResponse(response, context.getPathInfo().getServiceRoot().toASCIIString()));

  // server
  if (servletRequest != null) {
    parts.add(new DebugInfoServer(servletRequest));
  }

  // URI
  Throwable candidate = exception;
  while (candidate != null && !(candidate instanceof ExpressionParserException)) {
    candidate = candidate.getCause();
  }
  final ExpressionParserException expressionParserException = (ExpressionParserException) candidate;
  if (uriInfo != null
      && (uriInfo.getFilter() != null || uriInfo.getOrderBy() != null
          || !uriInfo.getExpand().isEmpty() || !uriInfo.getSelect().isEmpty())
      || expressionParserException != null && expressionParserException.getFilterTree() != null) {
    parts.add(new DebugInfoUri(uriInfo, expressionParserException));
  }

  // runtime measurements
  if (context.getRuntimeMeasurements() != null) {
    parts.add(new DebugInfoRuntime(context.getRuntimeMeasurements()));
  }

  // exceptions
  if (exception != null) {
    final Locale locale = MessageService.getSupportedLocale(context.getAcceptableLanguages(), Locale.ENGLISH);
    parts.add(new DebugInfoException(exception, locale));
  }

  return parts;
}