https://github.com/javahongxi
https://coding.net/u/javahongxi/p/whatsmars-mars001/git
https://code.csdn.net/javahongxi/whatsmars-mars001/tree/master
HttpServer, Request, Response
- package com.iteye.wely.server;
- import java.io.File;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.OutputStream;
- import java.net.InetAddress;
- import java.net.ServerSocket;
- import java.net.Socket;
- /**
- * Created by shenhongxi on 16/3/21.
- */
- public class HttpServer {
- public static final String WEB_ROOT = System.getProperty("user.dir") + File.separator + "ixhong-tomcat-web/src/main/webapp";
- private static final String SHUTDOWN_COMMAND = "SHUTDOWN";
- private boolean shutdown = false;
- public static void main(String[] args) {
- HttpServer server = new HttpServer();
- System.out.println(WEB_ROOT);
- server.await();
- }
- private void await() {
- ServerSocket serverSocket = null;
- int port = 8080;
- try {
- serverSocket = new ServerSocket(port, 1, InetAddress.getByName("127.0.0.1"));
- System.out.println("Server started!");
- } catch (IOException e) {
- e.printStackTrace();
- System.exit(1);
- }
- while (!shutdown) {
- Socket socket = null;
- InputStream input = null;
- OutputStream output = null;
- try {
- socket = serverSocket.accept();
- input = socket.getInputStream();
- output = socket.getOutputStream();
- Request request = new Request(input);
- request.parse();
- Response response = new Response(output);
- response.setRequest(request);
- response.sendStaticResource();
- socket.close();
- shutdown = request.getUri().equals(SHUTDOWN_COMMAND);
- } catch (Exception e) {
- e.printStackTrace();
- continue;
- }
- }
- }
- }
- package com.iteye.wely.server;
- import java.io.IOException;
- import java.io.InputStream;
- /**
- * Created by shenhongxi on 16/3/21.
- */
- public class Request {
- private InputStream input;
- private String uri; // 性能考虑,用byte[]
- public Request(InputStream input) {
- this.input = input;
- }
- public void parse() {
- StringBuffer request = new StringBuffer(2048);
- int i;
- byte[] buffer = new byte[2048];
- try {
- i = input.read(buffer);
- } catch (IOException e) {
- e.printStackTrace();
- i = -1;
- }
- for (int j = 0; j < i; j++) {
- request.append((char) buffer[j]);
- }
- System.out.println(request.toString());
- uri = parseUri(request.toString());
- }
- private String parseUri(String requestStr) {
- // GET /index.html HTTP/1.1
- // Accept: text/plain; text/html
- // ...
- int index1 = requestStr.indexOf(' ');
- int index2;
- if (index1 != -1) {
- index2 = requestStr.indexOf(' ', index1 + 1);
- if (index2 > index1) {
- return requestStr.substring(index1 + 1, index2);
- }
- }
- return null;
- }
- public String getUri() {
- return uri;
- }
- }
- package com.iteye.wely.server;
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.IOException;
- import java.io.OutputStream;
- /**
- * Created by shenhongxi on 16/3/21.
- */
- public class Response {
- private static final int BUFFER_SIZE = 1024;
- Request request;
- OutputStream output;
- public void sendStaticResource() throws IOException {
- byte[] bytes = new byte[BUFFER_SIZE];
- FileInputStream fis = null;
- try {
- File file = new File(HttpServer.WEB_ROOT, request.getUri());
- if (file.exists()) {
- fis = new FileInputStream(file);
- int ch = fis.read(bytes, 0, BUFFER_SIZE);
- while (ch != -1) {
- output.write(bytes, 0, ch);
- ch = fis.read(bytes, 0, BUFFER_SIZE);
- }
- } else {
- String errorMsg = "HTTP/1.1 404 File Not Found\r\n" +
- "Content-Type: text/html\r\n" +
- "Content-Length: 23\r\n" +
- "\r\n" +
- "<h1>File Not Found</h1>";
- output.write(errorMsg.getBytes());
- }
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (fis != null) {
- fis.close();
- }
- }
- }
- public Response(OutputStream output) {
- this.output = output;
- }
- public void setRequest(Request request) {
- this.request = request;
- }
- }