tomcat.java
来自「JAVA的一些基础教程」· Java 代码 · 共 55 行
JAVA
55 行
import java.net.*;
import java.io.*;
import java.util.*;
interface Servlet{
public String getContent();
}
class HelloServlet implements Servlet{
public String getContent(){
return "Hello world";
}
}
class DateServlet implements Servlet{
public String getContent(){
return "now time is " + new Date();
}
}
class TomCat {
public static void main(String arg[]) throws Exception{
ServerSocket server = new ServerSocket(80);
System.out.println("Tomcat已经运行,等待用户的访问");
Socket client;
while(true){
client = server.accept();
System.out.println("获取了一个用户的连接");
PrintStream ps = new PrintStream(client.getOutputStream());
BufferedReader br = new BufferedReader(new InputStreamReader(client.getInputStream()));
String command = br.readLine();
//解析用户输入的内容
StringTokenizer st = new StringTokenizer(command);
st.nextToken();
String servlet = st.nextToken(); //获取用户要访问的servlet的名字
servlet = servlet.substring(1);
ps.println("<html>");
ps.println(" <head>");
ps.println("<title>how are you</title>");
ps.println("</head>");
ps.println("<body>");
try{
//装载Servlet类,产生对象,并调用其动态内容方法
Servlet a = (Servlet) Class.forName(servlet).newInstance(); ;
ps.println(a.getContent());
}catch(Exception e){
ps.println(" you servlet not find!");
}
ps.println("</body>");
ps.println("</html>");
ps.close();
}
}
}
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