| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.felix.examples.simple; |
| |
| import javax.servlet.Servlet; |
| |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.apache.felix.examples.simple.embedded.Embedded; |
| |
| /** |
| * A very simple bundle that prints out a message when it is started and |
| * stopped; it includes an embedded JAR file which is used on its internal |
| * class path. This bundle is merely a "hello world" example; it does not |
| * implement any services nor does it offer any configurable properties. |
| **/ |
| public class Activator implements BundleActivator |
| { |
| private BundleContext context = null; |
| |
| public native String foo(); |
| |
| public void start(BundleContext context) throws Exception |
| { |
| System.out.println("Simple bundle " + context.getBundle().getBundleId() |
| + " has started."); |
| |
| this.context = context; |
| |
| // Get the OS and processor properties. |
| String os = |
| context.getProperty("org.osgi.framework.os.name").toLowerCase(); |
| String processor = |
| context.getProperty("org.osgi.framework.processor").toLowerCase(); |
| |
| // Load library if correct platform. |
| if (os.equals("linux") && processor.endsWith("86")) |
| { |
| try { |
| System.loadLibrary("foo"); |
| } catch (Exception ex) { |
| System.out.println("No library: " + ex); |
| ex.printStackTrace(); |
| } |
| System.out.println("From native: " + foo()); |
| } |
| |
| // Create class from embedded JAR file. |
| Embedded embedded = new Embedded(); |
| embedded.sayHello(); |
| |
| // Access dynamically imported servlet class. |
| try { |
| System.out.println("Class name = " + javax.servlet.http.HttpSession.class); |
| } catch (Throwable ex) { |
| System.out.println("The 'javax.servlet.http' package is not available."); |
| } |
| try { |
| System.out.println("Class name = " + Servlet.class); |
| } catch (Throwable ex) { |
| System.out.println("The 'javax.servlet' package is not available."); |
| } |
| } |
| |
| public void stop(BundleContext context) |
| { |
| System.out.println("Simple bundle " + context.getBundle().getBundleId() |
| + " has stopped."); |
| } |
| } |