Index: lutingenerator-demo/src/main/java/org/codelutin/generator/demo/http/DownloadResultServlet.java
diff -u /dev/null lutingenerator-demo/src/main/java/org/codelutin/generator/demo/http/DownloadResultServlet.java:1.1
--- /dev/null	Wed Apr 30 12:31:16 2008
+++ lutingenerator-demo/src/main/java/org/codelutin/generator/demo/http/DownloadResultServlet.java	Wed Apr 30 12:31:09 2008
@@ -0,0 +1,45 @@
+package org.codelutin.generator.demo.http;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.codelutin.generator.demo.controller.GenerateController;
+import org.codelutin.util.ZipUtil;
+
+public class DownloadResultServlet extends HttpServlet {
+
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        String id = request.getParameter("id");
+        File folder = new File(GenerateController.GEN_DIR, GenerateController.getPrefix(request.getSession().getId()) + id);
+        File zipFile = File.createTempFile("model-"+id, ".zip");
+        ZipUtil.compress(zipFile, folder, null);
+
+        String mimeType = "multipart/x-zip";
+        response.addHeader("Content-disposition", "attachment; filename=\"" + zipFile.getName() + "\"");
+        response.setContentType(mimeType);
+
+        // Set content size
+        response.setContentLength((int) zipFile.length());
+
+        // Open the file and output streams
+        FileInputStream in = new FileInputStream(zipFile);
+        OutputStream out = response.getOutputStream();
+
+        // Copy the contents of the file to the output stream
+        byte[] buf = new byte[1024];
+        int count = 0;
+        while ((count = in.read(buf)) >= 0) {
+            out.write(buf, 0, count);
+        }
+        in.close();
+        out.close();
+    }
+
+} //DownloadResultServlet

Index: lutingenerator-demo/src/main/java/org/codelutin/generator/demo/http/UploadedFileSessionListener.java
diff -u /dev/null lutingenerator-demo/src/main/java/org/codelutin/generator/demo/http/UploadedFileSessionListener.java:1.1
--- /dev/null	Wed Apr 30 12:31:16 2008
+++ lutingenerator-demo/src/main/java/org/codelutin/generator/demo/http/UploadedFileSessionListener.java	Wed Apr 30 12:31:09 2008
@@ -0,0 +1,21 @@
+package org.codelutin.generator.demo.http;
+
+import javax.servlet.http.HttpSessionEvent;
+import javax.servlet.http.HttpSessionListener;
+
+import org.codelutin.generator.demo.files.FileHandler;
+
+public class UploadedFileSessionListener implements
+		HttpSessionListener {
+
+	public void sessionCreated(HttpSessionEvent evt) {
+		//Nothing to do
+	}
+
+	public void sessionDestroyed(HttpSessionEvent evt) {
+		String sessionId = evt.getSession().getId();
+		FileHandler fh = FileHandler.getInstance();
+		fh.unvalidateIsolator(sessionId);
+	}
+
+} //UploadedFileSessionListener