/* ------------------------------------------------------------
357477
public void setHeader(String name, String value) 
    {
        try{_httpResponse.setField(name,value);}
        catch(IllegalStateException e){LogSupport.ignore(log,e);}
    }
879697
public void doPost(HttpServletRequest sreq, HttpServletResponse sres) 
        throws ServletException, IOException
    {
        doGet(sreq,sres);
    }
672848
public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws IOException {
    NameNode.getNameNodeMetrics().numFileDataServletDoGet.inc();
    final UnixUserGroupInformation ugi = getUGI(request);
    final ClientProtocol nnproxy = createNameNodeProxy(ugi);

    try {
      final String path = request.getPathInfo() != null
        ? request.getPathInfo() : "/";
      FileStatus info = nnproxy.getFileInfo(path);
      if ((info != null) && !info.isDir()) {
        response.sendRedirect(createUri(info, ugi, nnproxy,
              request).toURL().toString());
      } else if (info == null){
        response.sendError(400, "cat: File not found " + path);
      } else {
        response.sendError(400, "cat: " + path + ": is a directory");
      }
    } catch (URISyntaxException e) {
      response.getWriter().println(e.toString());
    } catch (IOException e) {
      response.sendError(400, e.getMessage());
    }
  }
1293545
@Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        String pathInfo = req.getPathInfo();
        if ( pathInfo == null ) {
            String dbg = req.getRequestURI();
            resp.sendRedirect(dbg +"/");
            return;
        }
        Resource resource = null;
        if ( "".equals(pathInfo) || "/".equals(pathInfo) ) {
            resource = dynamicResourceManager.getResource(pathInfo + "index.html");
        } else {
            resource = dynamicResourceManager.getResource(pathInfo);
        }
        if ( resource != null) {
            Long contentLength = resource.getContentLength();
            if ( contentLength != null ) {
                resp.setContentLength((int)contentLength.longValue());
            }
            byte bytes[] = null;
            if ( resource instanceof DynamicResourceManager.MyResource) {
                bytes = ((DynamicResourceManager.MyResource) resource).getBytes();
            } else if ( resource.getFile() != null ) {
                bytes = FileUtil.readFully(resource.getFile());
            }
            // FIXME: mimetype, lastModified / 304
            if ( bytes != null ) {
                ServletOutputStream out = resp.getOutputStream();
                out.write(bytes);
                out.flush();
                out.close();
                return;
            }
        }
        Log.Error(this,"Unhandled resource");
        unhandledGet(req,resp);
    }
199046
public void init(HttpServletRequest request) {
		resetTimers();
		
		if (request != null) {
			String p = request.getPathInfo();
			final int pathLength = (p == null ? 0 : p.length());
			
			final StringBuffer urlSb = request.getRequestURL();
			String simpleUrl = urlSb.toString(); // without qs
			
			String qs = request.getQueryString();
			if (qs != null) urlSb.append("?").append(qs);
			final String fullUrl = urlSb.toString();
			contextUrl.set(fullUrl);
		
			requestCookies.remove();
			responseCookies.remove();
			
			StringBuilder cookiesDump = new StringBuilder();
			Map<String, Cookie> cookiez = requestCookies.get();
			for (javax.servlet.http.Cookie c : Check.ifNull(request.getCookies(), new javax.servlet.http.Cookie[0])) {
				cookiez.put(c.getName(), new BasicClientCookie(c.getName(), c.getValue()));
				cookiesDump.append(c.toString()).append(";");
			}
	
			String xForwardedFor = request.getHeader(HEADER_X_FORWARDED_FOR);
			clientIp.set(xForwardedFor != null ? xForwardedFor : request.getRemoteAddr());
			
			String xForwardedUrl = request.getHeader(HEADER_X_FORWARDED_URL);
			if (xForwardedUrl != null) {
				int i = xForwardedUrl.lastIndexOf("?");
				simpleUrl = (i == -1 ? xForwardedUrl : xForwardedUrl.substring(0, i));
			}
			
			try {
				simpleUrl = URLDecoder.decode(simpleUrl, "UTF-8"); // convert "%xx" stuff before working with lengths
			} catch (UnsupportedEncodingException e) {
				log.error(e.toString());
			}
			contextPath.set(simpleUrl.substring(0, simpleUrl.length() - pathLength));

			if (verbose) log.info(">>> Time 0 [" + fullUrl + "]. cookies from client: " + cookiesDump.toString());
		}
		
		initialized.set(true);
	}
106579
@Override
  protected void initRequest()
  {
    super.initRequest();
    
    _state = _state.toActive();
    
    // HttpBufferStore httpBuffer = getHttpBufferStore();
    HttpBufferStore bufferStore = getHttpBufferStore();

    _method.clear();
    _methodString = null;
    _protocol.clear();

    _uriLength = 0;
    if (bufferStore == null) {
      // server/05h8
      _uri = getSmallUriBuffer(); // httpBuffer.getUriBuffer();
      
      _headerBuffer = getSmallHeaderBuffer(); // httpBuffer.getHeaderBuffer();
      _headerKeys = getSmallHeaderKeys();     // httpBuffer.getHeaderKeys();
      _headerValues = getSmallHeaderValues(); // httpBuffer.getHeaderValues();
    }

    _uriHost.clear();
    _host = null;
    _keepalive = KeepaliveState.INIT;

    _headerSize = 0;
    _headerLength = 0;
    
    _inOffset = 0;
    _isChunkedIn = false;
    _isFirst = true;
  }
970680
public function init()
    {
        if ($this->countRows < 1) {
            $this->totalPages = 0;
            $this->currentPage = 0;

            return;
        }

        if ($this->limit < 10) {
            $this->limit = 10;
        }

        $this->totalPages = (int)($this->countRows / $this->limit);

        if ($this->countRows % $this->limit) {
            $this->totalPages++;
        }

        if ($this->totalPages === 0) {
            $this->totalPages = 1;
        }

        if ($this->currentPage < 0) {
            $this->currentPage = 0;
        }

        if ($this->currentPage > $this->totalPages) {
            $this->currentPage = $this->totalPages;
        }
    }
167471
private void init() {
        cacheable = null;
        status = SC_OK;
        streamDelegate = new ServletResponseStreamDelegate(this) {
            protected OutputStream createOutputStream() throws IOException {
                // Test if this request is really cacheable, otherwise,
                // just write through to underlying response, and don't cache
                if (isCacheable()) {
                    return cacheResponse.getOutputStream();
                }
                else {
                    // TODO: We need to tell the cache about this, somehow...
                    writeHeaders(cacheResponse, (HttpServletResponse) getResponse());
                    return super.getOutputStream();
                }
            }
        };
    }
1298327
@Override
	final protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		resp.setBufferSize(BUFFER_SIZE);
		getCount.incrementAndGet();
		try {
			reportingDoGet(req, resp);
		} catch (ThreadDeath t) {
			throw t;
		} catch (RuntimeException | ServletException | IOException e) {
			getLogger().log(Level.SEVERE, null, e);
			throw e;
		} catch (SQLException t) {
			getLogger().log(Level.SEVERE, null, t);
			throw new ServletException(t);
		}
	}
329333
private synchronized void initOut() throws IOException
   {
      if (out == null)
      {
         OutputStream os = new IndexOutputStream(dir.createOutput(REDO_LOG));
         out = new BufferedWriter(new OutputStreamWriter(os));
      }
   }
202374
@Override
    public void execute() {
        if ((str == null || str.isEmpty()) && !FindContext.isAvailable()) {
            try {
                str = editor.readLine("Find previous:");
                editor.findPrevious(str);
                FindContext.setLastSearch(str);
            } catch (IOException e) {
                //noop
            }
        } else if (FindContext.isAvailable()) {
            editor.findPrevious(FindContext.getLastSearch());
        } else {
            editor.findPrevious(str);
            FindContext.setLastSearch(str);
        }
    }
1052544
@Override
    protected void initInputSource(WstxInputSource newInput, boolean isExt, String entityId)
        throws XMLStreamException
    {
        if (mFlattenWriter != null) {
            // Anything to flush from previous buffer contents?
            mFlattenWriter.flush(mInputBuffer, mInputPtr);
            mFlattenWriter.disableOutput();
            try {
                /* Then let's let base class do the 'real' input source setup;
                 * this includes skipping of optional XML declaration that we
                 * do NOT want to output
                 */
                super.initInputSource(newInput, isExt, entityId);
            } finally {
                // This will effectively skip declaration
                mFlattenWriter.enableOutput(mInputPtr);
            }
        } else {
            super.initInputSource(newInput, isExt, entityId);
        }
    }
485647
private void _ws() throws
      IOException
  {
    builder.type = Type.S;
    // no need to preserve exact whitespace
    // but append an S char to keep the token
    // contract of always having a value
    builder.append(' ');
    reader.forward(NOT_WHITESPACE);

    if (debug)
    {
      int nxt = reader.peek();
      checkArgument(WHITESPACE.matches((char) reader.curChar));
      if (nxt > -1)
      {
        checkArgument(NOT_WHITESPACE.matches((char) nxt));
      }
    }
  }
1371550
@Override
  protected void doPost(final HttpServletRequest req, final HttpServletResponse resp)
      throws ServletException, IOException {

    final boolean noCache = null != req && Boolean.valueOf(req.getParameter(noCacheParamName));

    if (noCache || System.currentTimeMillis() - lastRefreshedTime > cacheTimeInMilliseconds) {
      this.populateStatistics(noCache);
    }

    JSONUtils.toJSON(cachedstats, resp.getOutputStream(), true);
  }
897726
private static void fillReqAndRes(ServletRequest req, ServletResponse res){
		//-- 填充请求和响应对象到ActionContext本地线程
		Request.init((HttpServletRequest)req);
		Response.init((HttpServletResponse)res);
	}
495561
@Override
    public void write(final String s) {
        usageFlag = true;
        if (trouble || s == null) {
            return;
        }

        try {
            getOut().write(s);
        }
        catch (IOException e) {
            handleIOException(e);
        }
    }
84608
private void encodeThis() throws IOException {
        if (names == null || names.isEmpty()) {
            this.extensionValue = null;
            return;
        }
        DerOutputStream os = new DerOutputStream();
        names.encode(os);
        this.extensionValue = os.toByteArray();
    }