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package org.apache.tuscany.sca.node.equinox.launcher;
import java.io.ByteArrayInputStream;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleEvent;
import org.osgi.framework.BundleListener;
/**
* Bundle activator which installs Tuscany modules into an OSGi runtime.
*
*/
public class EquinoxLauncherBundleHelper implements BundleListener {
private static Logger logger = Logger.getLogger(EquinoxLauncherBundleHelper.class.getName());
private List<Bundle> installedBundles = new ArrayList<Bundle>();
private BundleContext bundleContext;
public EquinoxLauncherBundleHelper() {
super();
}
public void start(BundleContext bundleContext) throws Exception {
this.bundleContext = bundleContext;
this.bundleContext.addBundleListener(this);
// Install the Tuscany bundles
long start = System.currentTimeMillis();
// FIXME: SDO bundles dont have the correct dependencies
System.setProperty("commonj.sdo.impl.HelperProvider", "org.apache.tuscany.sdo.helper.HelperProviderImpl");
// Get the list of JAR files to install
String jarFilesProperty = System.getProperty("org.apache.tuscany.sca.node.launcher.equinox.jarFiles");
String[] jarFiles = jarFilesProperty.split(";");
// Create a single 'library' bundle for them
long libraryStart = System.currentTimeMillis();
//InputStream library = NodeLauncherUtil.libraryBundle(jarFiles);
Bundle libraryBundle = bundleContext.installBundle("org.apache.tuscany.sca.node.launcher.equinox.libraries", new ByteArrayInputStream(new byte[0]));
logger.info("Third-party library bundle installed in " + (System.currentTimeMillis() - libraryStart) + " ms: " + NodeLauncherUtil.string(libraryBundle, false));
installedBundles.add(libraryBundle);
// Get the set of already installed bundles
Set<String> alreadyInstalledBundleNames = new HashSet<String>();
for (Bundle bundle: bundleContext.getBundles()) {
alreadyInstalledBundleNames.add(bundle.getSymbolicName());
}
// Get the list of bundle files and names to install
String bundleFilesProperty = System.getProperty("org.apache.tuscany.sca.node.launcher.equinox.bundleFiles");
String[] bundleFiles = bundleFilesProperty.split(";");
String bundleNamesProperty = System.getProperty("org.apache.tuscany.sca.node.launcher.equinox.bundleNames");
String[] bundleNames = bundleNamesProperty.split(";");
// Install all the bundles that are not already installed
for (int i =0, n = bundleFiles.length; i < n; i++) {
String bundleFile = bundleFiles[i];
String bundleName = bundleNames[i];
if (!alreadyInstalledBundleNames.contains(bundleName)) {
if (bundleName.contains("org.eclipse.jdt.junit")) {
continue;
}
long installStart = System.currentTimeMillis();
Bundle bundle = bundleContext.installBundle(bundleFile);
logger.info("Bundle installed in " + (System.currentTimeMillis() - installStart) + " ms: " + NodeLauncherUtil.string(bundle, false));
installedBundles.add(bundle);
}
}
long end = System.currentTimeMillis();
logger.info("Tuscany bundles are installed in " + (end - start) + " ms.");
}
public void stop(BundleContext bundleContext) throws Exception {
// Uninstall all the bundles we've installed
for (int i = installedBundles.size() -1; i >= 0; i--) {
Bundle bundle = installedBundles.get(i);
try {
//if (logger.isLoggable(Level.FINE)) {
logger.info("Uninstalling bundle: " + NodeLauncherUtil.string(bundle, false));
//}
bundle.uninstall();
} catch (Exception e) {
logger.log(Level.SEVERE, e.getMessage(), e);
}
}
installedBundles.clear();
this.bundleContext.removeBundleListener(this);
this.bundleContext = null;
}
public void bundleChanged(BundleEvent event) {
}
}
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