Initially working J2EE container.

[jsvc.git] / src / dolda / jsvc / j2ee / Servlet.java

diff --git a/src/dolda/jsvc/j2ee/Servlet.java b/src/dolda/jsvc/j2ee/Servlet.java
index d050c01..4d0d3bd 100644 (file)
--- a/src/dolda/jsvc/j2ee/Servlet.java
+++ b/src/dolda/jsvc/j2ee/Servlet.java
@@ -1,14 +1,59 @@
 package dolda.jsvc.j2ee;
 
 import dolda.jsvc.*;
+import java.lang.reflect.*;
+import java.util.*;
 import java.io.*;
 import javax.servlet.http.*;
+import javax.servlet.*;
 
 public class Servlet extends HttpServlet {
     private Responder root;
+    private ThreadGroup workers;
+    private long reqs = 0;
+
+    public void init() throws ServletException {
+       workers = new ThreadGroup("JSvc worker threads") {
+               public void uncaughtException(Thread t, Throwable e) {
+                   log("Worker thread terminated with an uncaught exception", e);
+               }
+           };
+       Properties sprop = new Properties();
+       try {
+           InputStream pi = Servlet.class.getClassLoader().getResourceAsStream("jsvc.properties");
+           try {
+               sprop.load(pi);
+           } finally {
+               pi.close();
+           }
+       } catch(IOException e) {
+           throw(new Error(e));
+       }
+       String clnm = (String)sprop.get("jsvc.bootstrap");
+       if(clnm == null)
+           throw(new ServletException("No JSvc bootstrapper specified"));
+       try {
+           Class<?> rc = Class.forName(clnm);
+           Method cm = rc.getMethod("responder");
+           Object resp = cm.invoke(null);
+           if(!(resp instanceof Responder))
+               throw(new ServletException("JSvc bootstrapper did not return a responder"));
+           root = (Responder)resp;
+       } catch(ClassNotFoundException e) {
+           throw(new ServletException("Invalid JSvc bootstrapper specified", e));
+       } catch(NoSuchMethodException e) {
+           throw(new ServletException("Invalid JSvc bootstrapper specified", e));
+       } catch(IllegalAccessException e) {
+           throw(new ServletException("Invalid JSvc bootstrapper specified", e));
+       } catch(InvocationTargetException e) {
+           throw(new ServletException("JSvc bootstrapper failed", e));
+       }
+    }
     
-    public void init() {
-       
+    public void destroy() {
+       workers.interrupt();
+       if(root instanceof ContextResponder)
+           ((ContextResponder)root).destroy();
     }
     
     public void service(HttpServletRequest req, HttpServletResponse resp) {
@@ -18,7 +63,15 @@ public class Servlet extends HttpServlet {
        } catch(UnsupportedEncodingException e) {
            throw(new Error(e));
        }
+       long mynum = reqs++;
        Request rr = new J2eeRequest(getServletConfig(), req, resp);
-       root.respond(rr);
+       RequestThread w = new RequestThread(root, rr, workers, "Worker thread " + mynum);
+       w.start();
+       try {
+           w.join();
+       } catch(InterruptedException e) {
+           w.interrupt();
+           return;
+       }
     }
 }