threadservlet.java

来自「设计模式教程」· Java 代码 · 共 25 行

//: c15:servlets:ThreadServlet.java
// {Depends: j2ee.jar}
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class ThreadServlet extends HttpServlet {
  int i;
  public void service(HttpServletRequest req,
    HttpServletResponse res) throws IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    synchronized(this) {
      try {
        Thread.currentThread().sleep(5000);
      } catch(InterruptedException e) {
        System.err.println("Interrupted");
      }
    }
    out.print("<h1>Finished " + i++ + "</h1>");
    out.close();
  }
} ///:~