My First Web Server

My First Web Server

Httpserver.java

1  PackageCom.xiejiaohui.ch1;2 3 ImportJava.io.File;4 Importjava.io.IOException;5 ImportJava.io.InputStream;6 ImportJava.io.OutputStream;7 Importjava.net.InetAddress;8 ImportJava.net.ServerSocket;9 ImportJava.net.Socket;Ten  One  Public classHttpserver { A  -      Public Static FinalString web_root = System.getproperty ("User.dir") + File.separator + "Webroot"; -     Private Static FinalString Shutdown_command = "/shutdown"; the  -     Private Booleanshutdown =false; -  -      Public Static voidMain (string[] args) { +Httpserver Server =Newhttpserver (); - server.await (); +     } A  at      Public voidawait () { -ServerSocket ServerSocket =NULL; -         intPort = 8080; -         Try { -ServerSocket =NewServerSocket (port, 1, Inetaddress.getbyname ("127.0.0.1")); -}Catch(IOException e) { in e.printstacktrace (); -System.exit (1); to         } +          while(!shutdown) { -Socket socket =NULL; theInputStream input =NULL; *OutputStream output =NULL; $             Try {Panax NotoginsengSocket =serversocket.accept (); -input =Socket.getinputstream (); theOutput =Socket.getoutputstream (); +Request Request =NewRequest (input); A request.parse (); the                  +Response Response =NewResponse (output); - response.setrequest (request); $ Response.sendstaticresource (); $                  - socket.close (); -                  theshutdown =Request.geturi (). Equals (Shutdown_command); -}Catch(Exception e) {Wuyi e.printstacktrace (); the                 Continue; -             } Wu         } -          About     } $  -}

Request.java

1  PackageCom.xiejiaohui.ch1;2 3 Importjava.io.IOException;4 ImportJava.io.InputStream;5 6  Public classRequest {7     PrivateInputStream input;8     PrivateString URI;9     Ten      PublicRequest (InputStream input) { One          This. Input =input; A     } -      -      Public voidParse () { theStringBuffer request =NewStringBuffer (2048); -         inti; -         byte[] buffer =New byte[2048]; -         Try { +i =input.read (buffer); -}Catch(IOException e) { + e.printstacktrace (); Ai =-1; at         } -          for(intj = 0; J < I; J + +) { -Request.append ((Char) buffer[j]); -         } - System.out.print (request.tostring ()); -URI =Parseuri (request.tostring ()); in     } -      to     Privatestring Parseuri (String requeststring) { +         intindex1, Index2; -Index1 = Requeststring.indexof ("); the         if(Index1! =-1) { *Index2 = Requeststring.indexof (", Index1 + 1); $             if(Index2 >index1) {Panax Notoginseng                 returnRequeststring.substring (index1 + 1, index2); -             } the         } +         return NULL; A     } the      +      PublicString GetURI () { -         returnURI; $     } $  -}

Response.java

1  PackageCom.xiejiaohui.ch1;2 3 ImportJava.io.File;4 ImportJava.io.FileInputStream;5 Importjava.io.IOException;6 ImportJava.io.OutputStream;7 8  Public classResponse {9     Ten     Private Static Final intBuffer_size = 1024; One     PrivateRequest request; A     Privateoutputstream output; -      -      PublicResponse (OutputStream output) { the          This. Output =output; -     } -      -      Public voidsetrequest (Request request) { +          This. Request =request; -     } +      A      Public voidSendstaticresource ()throwsIOException { at         byte[] bytes =New byte[buffer_size]; -FileInputStream FIS =NULL; -         Try { -File File =NewFile (Httpserver.web_root, Request.geturi ()); -             if(File.exists ()) { -FIS =Newfileinputstream (file); in                 intch = fis.read (Bytes, 0, buffer_size); -                  while(ch! =-1) { toOutput.write (Bytes, 0, ch); +ch = fis.read (Bytes, 0, buffer_size); -                 } the}Else { *String errormessage = "http/1.1 404 File Not found\r\n" + $"Content-type:text/html\r\n" +Panax Notoginseng"Content-length:23\r\n" + -"\ r \ n" + the"; + Output.write (Errormessage.getbytes ()); A             } the}Catch(Exception e) { + e.printstacktrace (); - System.out.println (e.tostring ()); $}finally { $             if(FIS! =NULL) { - fis.close (); -             } the         } -     }Wuyi      the  -}

My First Web Server