import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.service.http.HttpService;
import org.osgi.service.http.NamespaceException;
public class MyBundleActivator implements BundleActivator {
@Override
public void start(BundleContext bundleContext) throws Exception {
HttpService httpService = (HttpService) bundleContext.getService(
bundleContext.getServiceReference(HttpService.class.getName()));
httpService.registerServlet("/hello", new MyServlet(), null, null);
}
@Override
public void stop(BundleContext bundleContext) throws Exception {
HttpService httpService = (HttpService) bundleContext.getService(
bundleContext.getServiceReference(HttpService.class.getName()));
httpService.unregister("/hello");
}
}
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
public class MyServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
PrintWriter writer = resp.getWriter();
writer.write("Hello, OSGi HTTP!");
writer.close();
}
}
Bundle-Activator: com.example.MyBundleActivator
Import-Package: javax.servlet,
org.osgi.service.http;
version="1.2"
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee web-app_2_5.xsd"
version="2.5">
<display-name>OSGi HTTP Example</display-name>
<servlet>
<servlet-name>MyServlet</servlet-name>
<servlet-class>com.example.MyServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>MyServlet</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
</web-app>
