/*
* 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.");
}
}