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/*******************************************************************************
* Copyright (c) 2006, 2014 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Raymond Augé <raymond.auge@liferay.com> - Bug 436698
*******************************************************************************/
package org.eclipse.equinox.http.servlet.tests.bundle;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.osgi.service.urlconversion.URLConverter;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.util.tracker.ServiceTracker;
public class BundleInstaller {
private BundleContext context;
private String rootLocation;
private HashMap<String, Bundle> bundles = new HashMap<>();
private ServiceTracker<Object, Object> converter;
public BundleInstaller(String bundlesRoot, BundleContext context) throws InvalidSyntaxException {
this.context = context;
rootLocation = bundlesRoot;
converter = new ServiceTracker<>(context, context.createFilter("(&(objectClass=" + URLConverter.class.getName() + ")(protocol=bundleentry))"), null);
converter.open();
}
synchronized public Bundle installBundle(String name) throws BundleException {
return installBundle(name, true);
}
synchronized public Bundle installBundle(String name, boolean track) throws BundleException {
if (bundles == null && track) {
return null;
}
String location = getBundleLocation(name);
Bundle bundle = context.installBundle(location);
if (track) {
bundles.put(name, bundle);
}
return bundle;
}
public String getBundleLocation(String name) throws BundleException {
String bundleFileName = rootLocation + "/" + name;
URL bundleURL = context.getBundle().getEntry(bundleFileName);
if (bundleURL == null) {
bundleURL = context.getBundle().getEntry(bundleFileName + ".jar");
}
if (bundleURL == null) {
throw new BundleException("Could not find bundle to install at: " + name);
}
try {
bundleURL = ((URLConverter) converter.getService()).resolve(bundleURL);
} catch (IOException e) {
throw new BundleException("Converter error", e);
}
String location = bundleURL.toExternalForm();
if ("file".equals(bundleURL.getProtocol())) {
location = "reference:" + location;
}
return location;
}
synchronized public Bundle updateBundle(String fromName, String toName) throws BundleException {
if (bundles == null) {
return null;
}
Bundle fromBundle = bundles.get(fromName);
if (fromBundle == null) {
throw new BundleException("The bundle to update does not exist!! " + fromName);
}
String bundleFileName = rootLocation + "/" + toName;
URL bundleURL = context.getBundle().getEntry(bundleFileName);
if (bundleURL == null) {
bundleURL = context.getBundle().getEntry(bundleFileName + ".jar");
}
try {
bundleURL = ((URLConverter) converter.getService()).resolve(bundleURL);
} catch (IOException e) {
throw new BundleException("Converter error", e);
}
String location = bundleURL.toExternalForm();
if ("file".equals(bundleURL.getProtocol())) {
location = "reference:" + location;
}
try {
fromBundle.update(new URL(location).openStream());
} catch (Exception e) {
throw new BundleException("Errors when updating bundle " + fromBundle, e);
}
bundles.remove(fromName);
bundles.put(toName, fromBundle);
return fromBundle;
}
synchronized public Bundle uninstallBundle(String name) throws BundleException {
if (bundles == null) {
return null;
}
Bundle bundle = bundles.remove(name);
if (bundle == null) {
return null;
}
bundle.uninstall();
return bundle;
}
synchronized public void uninstallBundle(Bundle b) throws BundleException {
if (bundles == null) {
return;
}
if (bundles.containsValue(b)) {
for (Map.Entry<String, Bundle> entry : bundles.entrySet()) {
if (entry.getValue().equals(b)) {
bundles.remove(entry.getKey());
break;
}
}
}
b.uninstall();
}
synchronized public Bundle[] uninstallAllBundles() throws BundleException {
if (bundles == null) {
return null;
}
ArrayList<Bundle> result = new ArrayList<>(bundles.size());
for (Object element : bundles.values()) {
Bundle bundle = (Bundle) element;
try {
bundle.uninstall();
} catch (IllegalStateException e) {
// ignore; bundle probably already uninstalled
}
result.add(bundle);
}
bundles.clear();
return result.toArray(new Bundle[result.size()]);
}
synchronized public Bundle getBundle(String name) {
if (bundles == null) {
return null;
}
return bundles.get(name);
}
synchronized public Bundle[] shutdown() throws BundleException {
if (bundles == null) {
return null;
}
Bundle[] result = uninstallAllBundles();
converter.close();
bundles = null;
return result;
}
}
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