multithreaded static Web server development Mini-Test (Java)

Last Update:2016-07-19 Source: Internet

Author: User

Tags getmessage

Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

multithreaded static Web server (original) Java version

buffer-based output for overcoming memory overflow problems

File One: Httpwebserveroflcl.java

Package COM.CN.LCL;

import Java.io.BufferedReader;

import Java.io.DataInputStream;

import java.io.File;

import Java.io.FileInputStream;

import java.io.IOException;

import Java.io.InputStreamReader;

import Java.io.PrintStream;

import Java.net.ServerSocket;

import Java.net.Socket;

import Java.net.URLDecoder;

Public class HTTPWEBSERVEROFLCL {

Private Static int counter = 0;

Public Static void Main (string[] args) {

WebServer ();

}

Public Static void WebServer () {

int PORT = 8080;

ServerSocket Server = null;

Socket client = null;

Try {

Server = new serversocket (PORT);

System. out. println ("Web server start, Access port number:" + port);

while (true) {

Client = Server.accept ();

counter+ +;

System. out. println ("First" + counter + "customer request");

New Communicationthread (client). Start ();

}

} catch (Exception e) {

E.printstacktrace ();

} finally {

Try {

Client.close ();

} Catch (IOException E1) {

E1.printstacktrace ();

}

Try {

Server.close ();

} catch (IOException e) {

E.printstacktrace ();

}

class Communicationthread extends Thread {

Socket client = null;

Public Communicationthread (Socket client) {

this. Client = client;

}

Public void Run () {

Try {

String Destip = client.getinetaddress (). toString ();

String Destport = client.getport () + "";

System. out. println ("Request Source IP:" + destip + "----Request Response Port:" + destport);

BufferedReader reader = new bufferedreader (new InputStreamReader (

Client.getinputstream ()));

String inputline = Reader.readline ();

System. out. println ("Inputline for:" + inputline);

String ResourceUrl = inputline.substring (

Inputline.indexof ('/') + 1, inputline.lastindexof ('/')-5);

int i = 0;

while ((Inputline = Reader.readline ()) = null) {

if (Inputline.equals ("")) {

break;

}

i++;

System. out. println ("First" + i + "line HTTP header information is:" + inputline);

}

ResourceUrl = Urldecoder. Decode (ResourceUrl, "UTF-8");

System. out. println ("Request resource:" + ResourceUrl);

File File = new file (ResourceUrl);

PrintStream OutStream = new printstream (Client.getoutputstream ());

if (File.exists () &&!file.isdirectory ()) {

System. out. println ("file exists");

Outstream.println ("http/1.0-ok");

Outstream.println ("mime_version:1.0");

Outstream.println ("content_type:text/html");

Outstream.println ("content_length:" + file.length ());

Outstream.println ("");

Transportfile (outstream, file);

Outstream.flush ();

} Else {

String notFound = "

Outstream.println ("http/1.0 404 No Found");

Outstream.println ("content_type:text/html");

Outstream.println ("content_length:" + notfound.length () + 2);

Outstream.println ("");

Outstream.println (NotFound);

Outstream.flush ();

}

Outstream.close ();

long b = 1;

while (b < 3600000) {

b++;

}

Reader.close ();

Client.close ();

} catch (Exception e) {

SYSTEM.OUT.PRINTLN ("Error in the Run method:" + e.getmessage ());

} finally {

* try {//client.close (); SYSTEM.OUT.PRINTLN ("This request was successfully closed! "); } Catch

* (IOException e) {e.printstacktrace ();}

}

Public void transportfile (printstream ps, file file) {

Try {

DataInputStream in = new datainputstream (new fileinputstream (file));

byte temp[] = new byte[10240];

int a = 0;

while ((A = in.read (temp, 0, 10240))! =-1) {

Ps.write (temp);

Ps.flush ();

}

In.close ();

} catch (IOException e) {

System. out. println ("Error in file transfer, error message:" + e.getmessage ());

} finally {

Ps.close ();

System. out. println ("transmit complete");

}

file two: index.html

<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" >

<title> my Java Web server </title>

<body>

Hello, daxiongjie!. This is wuyou!

Wish 2017

<br/>

Your browser does not support this type of video format.

</video>

</form>

</center>

</body>

multithreaded static Web server development Mini-Test (Java)

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

Sales Support

1 on 1 presale consultation

Chat Contact Sales
After-Sales Support

24/7 Technical Support 6 Free Tickets per Quarter Faster Response

Open a Ticket
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

Learn More