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/*
* 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.tuscany.sca.osgi.runtime;
import java.io.File;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
/**
* Implementation of an OSGi Runtime using Felix.
*
* @version $Rev$ $Date$
*/
public class FelixRuntime extends OSGiRuntime implements BundleActivator {
private static BundleContext bundleContext;
private static FelixRuntime instance;
private static Class<?> felixMainClass;
private static Class<?> felixClass;
private static Object felix;
public static OSGiRuntime getInstance() throws Exception {
if (instance == null) {
felixMainClass = FelixRuntime.class.getClassLoader().loadClass("org.apache.felix.main.Main");
FelixRuntime runtime = new FelixRuntime();
instance = runtime;
}
return instance;
}
private static void deleteDirectory(File dir) {
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory())
deleteDirectory(files[i]);
else
files[i].delete();
}
dir.delete();
}
@Override
protected BundleContext startRuntime(boolean tuscanyRunningInOSGiContainer) throws Exception {
if (bundleContext != null)
return bundleContext;
ClassLoader cl = FelixRuntime.class.getClassLoader();
felixClass = cl.loadClass("org.apache.felix.framework.Felix");
Method propsMethod = felixMainClass.getMethod("loadConfigProperties");
Properties props = (Properties)propsMethod.invoke(null);
String profileDirName = ".felix";
File targetDir = new File("target");
if (targetDir.exists() && targetDir.isDirectory())
profileDirName = "target/" + profileDirName;
File profileDir = new File(profileDirName);
if (profileDir.isDirectory())
deleteDirectory(profileDir);
else
profileDir.delete();
profileDir.mkdir();
profileDir.deleteOnExit();
props.put("felix.cache.profiledir", profileDir.getAbsolutePath());
props.put("felix.embedded.execution", "true");
String systemPackages =
"org.osgi.framework; version=1.3.0," +
"org.osgi.service.packageadmin; version=1.2.0, " +
"org.osgi.service.startlevel; version=1.0.0, " +
"org.osgi.service.url; version=1.0.0, " +
"org.osgi.util.tracker; version=1.3.2, " +
"javax.xml, " +
"javax.xml.datatype, " +
"javax.xml.namespace, " +
"javax.xml.parsers, " +
"javax.xml.transform, " +
"javax.xml.transform.dom, " +
"javax.xml.transform.sax, " +
"javax.xml.transform.stream, " +
"javax.xml.validation, " +
"javax.xml.xpath, " +
"org.apache.xerces.jaxp.datatype, " +
"org.w3c.dom, " +
"org.xml.sax, " +
"org.xml.sax.ext, " +
"org.xml.sax.helpers, " +
"javax.security.auth, " +
"javax.naming, " +
"javax.naming.spi, " +
"javax.naming.directory, " +
"javax.management, " +
"sun.misc";
if (!tuscanyRunningInOSGiContainer) {
systemPackages = systemPackages + ", org.osoa.sca.annotations, org.osoa.sca";
systemPackages = systemPackages + ", commonj.sdo, commonj.sdo.helper, org.apache.tuscany.sdo.helper, org.apache.tuscany.sdo.impl, org.apache.tuscany.sdo.model, org.apache.tuscany.sdo.model.impl";
systemPackages = systemPackages + ", org.eclipse.emf.ecore, org.eclipse.emf.ecore.util, org.eclipse.emf.ecore.impl";
}
props.put("org.osgi.framework.system.packages", systemPackages);
try {
Constructor felixConstructor = felixClass.getConstructor(Map.class, List.class);
List<BundleActivator> activators = new ArrayList<BundleActivator>();
Class<?> autoActivatorClass = cl.loadClass("org.apache.felix.main.AutoActivator");
Constructor autoActivatorConstructor = autoActivatorClass.getConstructor(Map.class);
BundleActivator autoActivator = (BundleActivator)autoActivatorConstructor.newInstance(props);
activators.add(autoActivator);
felix = felixConstructor.newInstance(props, activators);
((Bundle)felix).start();
bundleContext = ((Bundle)felix).getBundleContext();
} catch (Exception e) {
// This is the older Felix API which has been retained temporarily to avoid build break
// TODO: Remove these once Felix 1.0.0 is released.
Class<?> propertyResolverClass = cl.loadClass("org.apache.felix.framework.util.MutablePropertyResolver");
Class<?> propertyResolverImplClass = cl.loadClass("org.apache.felix.framework.util.MutablePropertyResolverImpl");
Constructor implConstructor = propertyResolverImplClass.getConstructor(Map.class);
Object mutableProps = implConstructor.newInstance(props);
try {
Constructor felixConstructor = felixClass.getConstructor(propertyResolverClass, List.class);
List<BundleActivator> activators = new ArrayList<BundleActivator>();
felix = felixConstructor.newInstance(mutableProps, activators);
((Bundle)felix).start();
bundleContext = ((Bundle)felix).getBundleContext();
} catch (Exception e1) {
felix = felixClass.newInstance();
Method startMethod = felixClass.getMethod("start", propertyResolverClass, List.class);
List<BundleActivator> activators = new ArrayList<BundleActivator>();
BundleActivator activator = new FelixRuntime();
activators.add(activator);
startMethod.invoke(felix, mutableProps, activators);
synchronized (activator) {
int retries = 0;
while (bundleContext == null && retries++ < 10) {
activator.wait(1000);
}
}
}
}
return bundleContext;
}
public void start(BundleContext context) throws Exception {
bundleContext = context;
synchronized (this) {
this.notify();
}
}
public void stop(BundleContext context) throws Exception {
bundleContext = null;
}
@Override
public BundleContext getBundleContext() {
return bundleContext;
}
@Override
protected void setBundleContext(BundleContext bundleContext) {
super.setBundleContext(bundleContext);
FelixRuntime.bundleContext = bundleContext;
}
@Override
public void shutdown() throws Exception {
if (bundleContext == null)
return;
bundleContext = null;
instance = null;
// We could potentially use Felix.stopAndWait, but use timed wait for now because
// stopAndWait hangs with Felix 1.0.0
if (felix instanceof Bundle) {
Bundle felixBundle = (Bundle)felix;
felixBundle.stop();
int retries = 50;
synchronized (felix) {
while (retries-- > 0 && felixBundle.getState() != Bundle.UNINSTALLED) {
felix.wait(100);
}
}
}
else if (felix != null) {
Method shutdownMethod = felixClass.getMethod("shutdown");
try {
shutdownMethod.invoke(felix);
} catch (Exception e) {
// Ignore errors
}
felix = null;
}
super.shutdown();
}
@Override
public boolean supportsBundleFragments() {
return false;
}
}
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