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/*******************************************************************************
* Copyright (c) 2012, 2021 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
*******************************************************************************/
package org.eclipse.osgi.internal.framework;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Permission;
import java.security.PrivilegedAction;
import java.security.ProtectionDomain;
import java.security.SignatureException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Dictionary;
import java.util.EnumSet;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.osgi.container.Module;
import org.eclipse.osgi.container.Module.Settings;
import org.eclipse.osgi.container.Module.StartOptions;
import org.eclipse.osgi.container.Module.State;
import org.eclipse.osgi.container.Module.StopOptions;
import org.eclipse.osgi.container.ModuleContainer;
import org.eclipse.osgi.container.ModuleContainerAdaptor.ContainerEvent;
import org.eclipse.osgi.container.ModuleContainerAdaptor.ModuleEvent;
import org.eclipse.osgi.container.ModuleLoader;
import org.eclipse.osgi.container.ModuleRevision;
import org.eclipse.osgi.container.ModuleWire;
import org.eclipse.osgi.container.ModuleWiring;
import org.eclipse.osgi.container.SystemModule;
import org.eclipse.osgi.framework.log.FrameworkLogEntry;
import org.eclipse.osgi.internal.container.InternalUtils;
import org.eclipse.osgi.internal.debug.Debug;
import org.eclipse.osgi.internal.loader.BundleLoader;
import org.eclipse.osgi.internal.loader.ModuleClassLoader;
import org.eclipse.osgi.internal.loader.classpath.ClasspathManager;
import org.eclipse.osgi.internal.messages.Msg;
import org.eclipse.osgi.internal.permadmin.EquinoxSecurityManager;
import org.eclipse.osgi.report.resolution.ResolutionReport;
import org.eclipse.osgi.signedcontent.SignedContent;
import org.eclipse.osgi.signedcontent.SignedContentFactory;
import org.eclipse.osgi.signedcontent.SignerInfo;
import org.eclipse.osgi.storage.BundleInfo.Generation;
import org.eclipse.osgi.storage.Storage;
import org.osgi.framework.AdaptPermission;
import org.osgi.framework.AdminPermission;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.BundleReference;
import org.osgi.framework.Constants;
import org.osgi.framework.FrameworkEvent;
import org.osgi.framework.FrameworkListener;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.Version;
import org.osgi.framework.dto.BundleDTO;
import org.osgi.framework.dto.FrameworkDTO;
import org.osgi.framework.dto.ServiceReferenceDTO;
import org.osgi.framework.launch.Framework;
import org.osgi.framework.namespace.HostNamespace;
import org.osgi.framework.startlevel.BundleStartLevel;
import org.osgi.framework.startlevel.FrameworkStartLevel;
import org.osgi.framework.startlevel.dto.BundleStartLevelDTO;
import org.osgi.framework.startlevel.dto.FrameworkStartLevelDTO;
import org.osgi.framework.wiring.BundleRevision;
import org.osgi.framework.wiring.BundleRevisions;
import org.osgi.framework.wiring.BundleWiring;
import org.osgi.framework.wiring.FrameworkWiring;
import org.osgi.framework.wiring.dto.BundleRevisionDTO;
import org.osgi.framework.wiring.dto.BundleWiringDTO;
import org.osgi.framework.wiring.dto.FrameworkWiringDTO;
public class EquinoxBundle implements Bundle, BundleReference {
static class SystemBundle extends EquinoxBundle implements Framework {
class SystemBundleHeaders extends Dictionary {
private final Dictionary headers;
public SystemBundleHeaders(Dictionary headers) {
this.headers = headers;
}
@Override
public Enumeration elements() {
return headers.elements();
}
@Override
public String get(Object key) {
if (!(key instanceof String))
return null;
String sKey = (String) key;
if (Constants.EXPORT_PACKAGE.equalsIgnoreCase(sKey) || Constants.PROVIDE_CAPABILITY.equalsIgnoreCase(sKey)) {
String systemProvideHeader = getEquinoxContainer().getConfiguration().getConfiguration(EquinoxConfiguration.PROP_SYSTEM_PROVIDE_HEADER, EquinoxConfiguration.SYSTEM_PROVIDE_HEADER_SYSTEM_EXTRA);
boolean useSystemExtra = systemProvideHeader.equals(EquinoxConfiguration.SYSTEM_PROVIDE_HEADER_SYSTEM_EXTRA);
boolean useSystem = systemProvideHeader.equals(EquinoxConfiguration.SYSTEM_PROVIDE_HEADER_SYSTEM) || useSystemExtra;
String systemProp = useSystem ? (Constants.EXPORT_PACKAGE.equalsIgnoreCase(sKey) ? Constants.FRAMEWORK_SYSTEMPACKAGES : Constants.FRAMEWORK_SYSTEMCAPABILITIES) : null;
String systemExtraProp = useSystemExtra ? (Constants.EXPORT_PACKAGE.equalsIgnoreCase(sKey) ? Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA : Constants.FRAMEWORK_SYSTEMCAPABILITIES_EXTRA) : null;
return getExtra(sKey, systemProp, systemExtraProp);
}
return headers.get(key);
}
private String getExtra(String header, String systemProp, String systemExtraProp) {
String systemValue = systemProp != null ? getEquinoxContainer().getConfiguration().getConfiguration(systemProp) : null;
String systemExtraValue = systemExtraProp != null ? getEquinoxContainer().getConfiguration().getConfiguration(systemExtraProp) : null;
if (systemValue == null)
systemValue = systemExtraValue;
else if (systemExtraValue != null && systemExtraValue.trim().length() > 0)
systemValue += ", " + systemExtraValue; //$NON-NLS-1$
String result = headers.get(header);
if (systemValue != null && systemValue.trim().length() > 0) {
if (result != null)
result += ", " + systemValue; //$NON-NLS-1$
else
result = systemValue;
}
return result;
}
@Override
public boolean isEmpty() {
return headers.isEmpty();
}
@Override
public Enumeration keys() {
return headers.keys();
}
@Override
public String put(String key, String value) {
return headers.put(key, value);
}
@Override
public String remove(Object key) {
return headers.remove(key);
}
@Override
public int size() {
return headers.size();
}
}
final List initListeners = new ArrayList<>(0);
class EquinoxSystemModule extends SystemModule {
public EquinoxSystemModule(ModuleContainer container) {
super(container);
}
@Override
public Bundle getBundle() {
return SystemBundle.this;
}
@Override
protected void cleanup(ModuleRevision revision) {
// Nothing to do
}
@Override
protected void initWorker() throws BundleException {
EquinoxConfiguration config = getEquinoxContainer().getConfiguration();
String initUUID = config.setConfiguration(EquinoxConfiguration.PROP_INIT_UUID, Boolean.TRUE.toString());
if (initUUID != null) {
// this is not the first framework init, need to generate a new UUID
config.setConfiguration(Constants.FRAMEWORK_UUID, InternalUtils.newUUID(config));
}
getEquinoxContainer().init();
addInitFrameworkListeners();
startWorker0();
}
@Override
protected void stopWorker() throws BundleException {
super.stopWorker();
stopWorker0();
getEquinoxContainer().close();
}
void asyncStop() throws BundleException {
if (getEquinoxContainer().getConfiguration().getDebug().DEBUG_SYSTEM_BUNDLE) {
Debug.printStackTrace(new Exception("Framework has been requested to stop.")); //$NON-NLS-1$
}
lockStateChange(ModuleEvent.STOPPED);
try {
if (Module.ACTIVE_SET.contains(getState())) {
// TODO this still has a chance of a race condition:
// multiple threads could get started if stop is called over and over
Thread t = new Thread(new Runnable() {
@Override
public void run() {
try {
stop();
} catch (Throwable e) {
SystemBundle.this.getEquinoxContainer().getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, "Error stopping the framework.", e); //$NON-NLS-1$
}
}
}, "Framework stop - " + getEquinoxContainer().toString()); //$NON-NLS-1$
t.start();
}
} finally {
unlockStateChange(ModuleEvent.STOPPED);
}
}
void asyncUpdate() throws BundleException {
if (getEquinoxContainer().getConfiguration().getDebug().DEBUG_SYSTEM_BUNDLE) {
Debug.printStackTrace(new Exception("Framework has been requested to update (restart).")); //$NON-NLS-1$
}
lockStateChange(ModuleEvent.UPDATED);
try {
if (Module.ACTIVE_SET.contains(getState())) {
Thread t = new Thread(new Runnable() {
@Override
public void run() {
try {
update();
} catch (Throwable e) {
SystemBundle.this.getEquinoxContainer().getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, "Error updating the framework.", e); //$NON-NLS-1$
}
}
}, "Framework update - " + getEquinoxContainer().toString()); //$NON-NLS-1$
t.start();
}
} finally {
unlockStateChange(ModuleEvent.UPDATED);
}
}
}
SystemBundle(ModuleContainer moduleContainer, EquinoxContainer equinoxContainer) {
super(moduleContainer, equinoxContainer);
}
@Override
public void init() throws BundleException {
this.init((FrameworkListener[]) null);
}
@Override
public void init(FrameworkListener... listeners) throws BundleException {
if (listeners != null) {
if (getEquinoxContainer().getConfiguration().getDebug().DEBUG_SYSTEM_BUNDLE) {
Debug.println("Initializing framework with framework listeners: " + listeners); //$NON-NLS-1$
}
initListeners.addAll(Arrays.asList(listeners));
} else {
if (getEquinoxContainer().getConfiguration().getDebug().DEBUG_SYSTEM_BUNDLE) {
Debug.println("Initializing framework with framework no listeners"); //$NON-NLS-1$
}
}
try {
((SystemModule) getModule()).init();
} finally {
if (!initListeners.isEmpty()) {
getEquinoxContainer().getEventPublisher().flushFrameworkEvents();
removeInitListeners();
}
}
}
void addInitFrameworkListeners() {
BundleContext context = createBundleContext();
for (FrameworkListener initListener : initListeners) {
context.addFrameworkListener(initListener);
}
}
void removeInitListeners() {
BundleContext context = createBundleContext();
for (FrameworkListener initListener : initListeners) {
context.removeFrameworkListener(initListener);
}
initListeners.clear();
}
@Override
public FrameworkEvent waitForStop(long timeout) throws InterruptedException {
ContainerEvent event = ((SystemModule) getModule()).waitForStop(timeout);
return new FrameworkEvent(EquinoxContainerAdaptor.getType(event), this, null);
}
@Override
Module createSystemModule(ModuleContainer moduleContainer) {
return new EquinoxSystemModule(moduleContainer);
}
@Override
public void stop(final int options) throws BundleException {
getEquinoxContainer().checkAdminPermission(this, AdminPermission.EXECUTE);
((EquinoxSystemModule) getModule()).asyncStop();
}
@Override
public void stop() throws BundleException {
stop(0);
}
@Override
public void update(InputStream input) throws BundleException {
getEquinoxContainer().checkAdminPermission(this, AdminPermission.LIFECYCLE);
try {
if (input != null)
input.close();
} catch (IOException e) {
// do nothing
}
((EquinoxSystemModule) getModule()).asyncUpdate();
}
@Override
public void update() throws BundleException {
update(null);
}
@Override
public void uninstall() throws BundleException {
getEquinoxContainer().checkAdminPermission(this, AdminPermission.LIFECYCLE);
throw new BundleException(Msg.BUNDLE_SYSTEMBUNDLE_UNINSTALL_EXCEPTION, BundleException.INVALID_OPERATION);
}
@Override
public Dictionary getHeaders(String locale) {
return new SystemBundleHeaders(super.getHeaders(locale));
}
}
private final EquinoxContainer equinoxContainer;
private final Module module;
private final Object monitor = new Object();
private BundleContextImpl context;
private volatile SignedContent signedContent;
private class EquinoxModule extends Module {
@Override
protected void startWorker() throws BundleException {
startWorker0();
}
@Override
protected void stopWorker() throws BundleException {
stopWorker0();
}
public EquinoxModule(Long id, String location, ModuleContainer container, EnumSet settings, int startlevel) {
super(id, location, container, settings, startlevel);
}
@Override
public Bundle getBundle() {
return EquinoxBundle.this;
}
@Override
protected void cleanup(ModuleRevision revision) {
Generation generation = (Generation) revision.getRevisionInfo();
generation.delete();
if (revision.equals(getCurrentRevision())) {
// uninstall case
generation.getBundleInfo().delete();
}
}
}
EquinoxBundle(ModuleContainer moduleContainer, EquinoxContainer equinoxContainer) {
this.equinoxContainer = equinoxContainer;
this.module = createSystemModule(moduleContainer);
}
public EquinoxBundle(Long id, String location, ModuleContainer moduleContainer, EnumSet settings, int startlevel, EquinoxContainer equinoxContainer) {
this.equinoxContainer = equinoxContainer;
this.module = new EquinoxModule(id, location, moduleContainer, settings, startlevel);
}
Module createSystemModule(ModuleContainer moduleContainer) {
throw new UnsupportedOperationException();
}
@Override
public int compareTo(Bundle bundle) {
long idcomp = getBundleId() - bundle.getBundleId();
return (idcomp < 0L) ? -1 : ((idcomp > 0L) ? 1 : 0);
}
@Override
public int getState() {
switch (module.getState()) {
case INSTALLED :
return Bundle.INSTALLED;
case RESOLVED :
return Bundle.RESOLVED;
case STARTING :
case LAZY_STARTING :
return Bundle.STARTING;
case ACTIVE :
return Bundle.ACTIVE;
case STOPPING :
return Bundle.STOPPING;
case UNINSTALLED :
return Bundle.UNINSTALLED;
default :
throw new IllegalStateException("No valid bundle state for module state: " + module.getState()); //$NON-NLS-1$
}
}
@Override
public void start(int options) throws BundleException {
if (options == 0 && equinoxContainer.getConfiguration().getDebug().MONITOR_ACTIVATION) {
Debug.printStackTrace(new Exception("A persistent start has been called on bundle: " + this)); //$NON-NLS-1$
}
module.start(getStartOptions(options));
}
private static StartOptions[] getStartOptions(int options) {
if (options == 0) {
return new StartOptions[0];
}
Collection result = new ArrayList<>(2);
if ((options & Bundle.START_TRANSIENT) != 0) {
result.add(StartOptions.TRANSIENT);
}
if ((options & Bundle.START_ACTIVATION_POLICY) != 0) {
result.add(StartOptions.USE_ACTIVATION_POLICY);
}
return result.toArray(new StartOptions[result.size()]);
}
@Override
public void start() throws BundleException {
start(0);
}
@Override
public void stop(int options) throws BundleException {
if (options == 0 && equinoxContainer.getConfiguration().getDebug().MONITOR_ACTIVATION) {
Debug.printStackTrace(new Exception("A persistent stop has been called on bundle: " + this)); //$NON-NLS-1$
}
module.stop(getStopOptions(options));
}
private StopOptions[] getStopOptions(int options) {
if ((options & Bundle.STOP_TRANSIENT) == 0) {
return new StopOptions[0];
}
return new StopOptions[] {StopOptions.TRANSIENT};
}
@Override
public void stop() throws BundleException {
stop(0);
}
@Override
public void update(InputStream input) throws BundleException {
Storage storage = equinoxContainer.getStorage();
storage.update(module, input);
signedContent = null;
}
@Override
public void update() throws BundleException {
update(null);
}
@Override
public void uninstall() throws BundleException {
// be sure to prime the headers with default local; calling priv method to avoid permission check
privGetHeaders(null);
Storage storage = equinoxContainer.getStorage();
storage.getModuleContainer().uninstall(module);
}
@Override
public Dictionary getHeaders() {
return getHeaders(null);
}
@Override
public Dictionary getHeaders(String locale) {
equinoxContainer.checkAdminPermission(this, AdminPermission.METADATA);
return privGetHeaders(locale);
}
private Dictionary privGetHeaders(String locale) {
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
return current.getHeaders(locale);
}
@Override
public long getBundleId() {
return module.getId();
}
@Override
public String getLocation() {
equinoxContainer.checkAdminPermission(getBundle(), AdminPermission.METADATA);
return module.getLocation();
}
@Override
public ServiceReference[] getRegisteredServices() {
checkValid();
BundleContextImpl current = getBundleContextImpl();
return current == null ? null : equinoxContainer.getServiceRegistry().getRegisteredServices(current);
}
@Override
public ServiceReference[] getServicesInUse() {
checkValid();
BundleContextImpl current = getBundleContextImpl();
return current == null ? null : equinoxContainer.getServiceRegistry().getServicesInUse(current);
}
@Override
public boolean hasPermission(Object permission) {
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
ProtectionDomain domain = current.getDomain();
if (domain != null) {
if (permission instanceof Permission) {
SecurityManager sm = System.getSecurityManager();
if (sm instanceof EquinoxSecurityManager) {
/*
* If the FrameworkSecurityManager is active, we need to do checks the "right" way.
* We can exploit our knowledge that the security context of FrameworkSecurityManager
* is an AccessControlContext to invoke it properly with the ProtectionDomain.
*/
AccessControlContext acc = new AccessControlContext(new ProtectionDomain[] {domain});
try {
sm.checkPermission((Permission) permission, acc);
return true;
} catch (Exception e) {
return false;
}
}
return domain.implies((Permission) permission);
}
return false;
}
return true;
}
@Override
public URL getResource(String name) {
try {
equinoxContainer.checkAdminPermission(this, AdminPermission.RESOURCE);
} catch (SecurityException e) {
return null;
}
checkValid();
if (isFragment()) {
return null;
}
ModuleClassLoader classLoader = getModuleClassLoader(false);
if (classLoader != null) {
return classLoader.getResource(name);
}
return new ClasspathManager((Generation) module.getCurrentRevision().getRevisionInfo(), null).findLocalResource(name);
}
@Override
public String getSymbolicName() {
return module.getCurrentRevision().getSymbolicName();
}
@Override
public Version getVersion() {
return module.getCurrentRevision().getVersion();
}
@Override
public Class loadClass(String name) throws ClassNotFoundException {
try {
equinoxContainer.checkAdminPermission(this, AdminPermission.CLASS);
} catch (SecurityException e) {
throw new ClassNotFoundException(name, e);
}
checkValid();
if (isFragment()) {
throw new ClassNotFoundException("Can not load a class from a fragment bundle: " + this); //$NON-NLS-1$
}
try {
ModuleClassLoader classLoader = getModuleClassLoader(true);
if (classLoader != null) {
if (name.length() > 0 && name.charAt(0) == '[')
return Class.forName(name, false, classLoader);
return classLoader.loadClass(name);
}
} catch (ClassNotFoundException e) {
// This is an equinox-ism, check compatibility flag
boolean compatibilityLazyTrigger = equinoxContainer.getConfiguration().compatibilityLazyTriggerOnFailLoad;
// On failure attempt to activate lazy activating bundles.
if (compatibilityLazyTrigger && State.LAZY_STARTING.equals(module.getState())) {
try {
module.start(StartOptions.LAZY_TRIGGER);
} catch (BundleException e1) {
equinoxContainer.getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.WARNING, e.getMessage(), e);
}
}
throw e;
}
throw new ClassNotFoundException("No class loader available for the bundle: " + this); //$NON-NLS-1$
}
private ModuleClassLoader getModuleClassLoader(boolean logResolveError) {
ResolutionReport report = resolve();
if (logResolveError && !Module.RESOLVED_SET.contains(module.getState())) {
String reportMessage = report.getResolutionReportMessage(module.getCurrentRevision());
equinoxContainer.getEventPublisher().publishFrameworkEvent(FrameworkEvent.ERROR, this, new BundleException(reportMessage, BundleException.RESOLVE_ERROR));
}
return AccessController.doPrivileged(new PrivilegedAction() {
@Override
public ModuleClassLoader run() {
ModuleWiring wiring = getModule().getCurrentRevision().getWiring();
if (wiring != null) {
ModuleLoader moduleLoader = wiring.getModuleLoader();
if (moduleLoader instanceof BundleLoader) {
return ((BundleLoader) moduleLoader).getModuleClassLoader();
}
}
return null;
}
});
}
@Override
public Enumeration getResources(String name) throws IOException {
try {
equinoxContainer.checkAdminPermission(this, AdminPermission.RESOURCE);
} catch (SecurityException e) {
return null;
}
checkValid();
if (isFragment()) {
return null;
}
ModuleClassLoader classLoader = getModuleClassLoader(false);
Enumeration result = null;
if (classLoader != null) {
result = classLoader.getResources(name);
} else {
result = new ClasspathManager((Generation) module.getCurrentRevision().getRevisionInfo(), null).findLocalResources(name);
}
return result != null && result.hasMoreElements() ? result : null;
}
@Override
public Enumeration getEntryPaths(String path) {
try {
equinoxContainer.checkAdminPermission(this, AdminPermission.RESOURCE);
} catch (SecurityException e) {
return null;
}
checkValid();
Generation current = (Generation) getModule().getCurrentRevision().getRevisionInfo();
return current.getBundleFile().getEntryPaths(path);
}
@Override
public URL getEntry(String path) {
try {
equinoxContainer.checkAdminPermission(this, AdminPermission.RESOURCE);
} catch (SecurityException e) {
return null;
}
checkValid();
Generation current = (Generation) getModule().getCurrentRevision().getRevisionInfo();
return current.getEntry(path);
}
@Override
public long getLastModified() {
return module.getLastModified();
}
@Override
public Enumeration findEntries(String path, String filePattern, boolean recurse) {
try {
equinoxContainer.checkAdminPermission(this, AdminPermission.RESOURCE);
} catch (SecurityException e) {
return null;
}
checkValid();
resolve();
return Storage.findEntries(getGenerations(), path, filePattern, recurse ? BundleWiring.FINDENTRIES_RECURSE : 0);
}
@Override
public BundleContext getBundleContext() {
equinoxContainer.checkAdminPermission(this, AdminPermission.CONTEXT);
return createBundleContext();
}
BundleContextImpl createBundleContext() {
if (isFragment()) {
// fragments cannot have contexts
return null;
}
synchronized (this.monitor) {
if (context == null) {
// only create the context if we are starting, active or stopping
// this is so that SCR can get the context for lazy-start bundles
if (Module.ACTIVE_SET.contains(module.getState())) {
context = new BundleContextImpl(this, equinoxContainer);
}
}
return context;
}
}
private BundleContextImpl getBundleContextImpl() {
synchronized (this.monitor) {
return context;
}
}
@Override
public Map> getSignerCertificates(int signersType) {
try {
SignedContent current = getSignedContent();
SignerInfo[] infos = current == null ? null : current.getSignerInfos();
if (infos.length == 0)
return Collections.emptyMap();
Map> results = new HashMap<>(infos.length);
for (SignerInfo info : infos) {
if (signersType == SIGNERS_TRUSTED && !info.isTrusted()) {
continue;
}
Certificate[] certs = info.getCertificateChain();
if (certs == null || certs.length == 0)
continue;
List certChain = new ArrayList<>();
for (Certificate cert : certs) {
certChain.add((X509Certificate) cert);
}
results.put((X509Certificate) certs[0], certChain);
}
return results;
} catch (Exception e) {
return Collections.emptyMap();
}
}
@Override
public final A adapt(Class adapterType) {
checkAdaptPermission(adapterType);
return adapt0(adapterType);
}
private void readLock() {
equinoxContainer.getStorage().getModuleDatabase().readLock();
}
private void readUnlock() {
equinoxContainer.getStorage().getModuleDatabase().readUnlock();
}
@SuppressWarnings("unchecked")
private A adapt0(Class adapterType) {
if (AccessControlContext.class.equals(adapterType)) {
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
ProtectionDomain domain = current.getDomain();
return (A) (domain == null ? null : new AccessControlContext(new ProtectionDomain[] {domain}));
}
if (BundleContext.class.equals(adapterType)) {
try {
return (A) getBundleContext();
} catch (SecurityException e) {
return null;
}
}
if (BundleRevision.class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
return (A) module.getCurrentRevision();
}
if (BundleRevisions.class.equals(adapterType)) {
return (A) module.getRevisions();
}
if (BundleStartLevel.class.equals(adapterType)) {
return (A) module;
}
if (BundleWiring.class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
ModuleRevision revision = module.getCurrentRevision();
if (revision == null) {
return null;
}
return (A) revision.getWiring();
}
if (BundleDTO.class.equals(adapterType)) {
// Unfortunately we need to lock here to make sure the BSN and version
// are consistent in case of updates
readLock();
try {
return (A) DTOBuilder.newBundleDTO(this);
} finally {
readUnlock();
}
}
if (BundleStartLevelDTO.class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
return (A) DTOBuilder.newBundleStartLevelDTO(this, module);
}
if (BundleRevisionDTO.class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
return (A) DTOBuilder.newBundleRevisionDTO(module.getCurrentRevision());
}
if (BundleRevisionDTO[].class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
// No need to lock the database here since the ModuleRevisions object does the
// proper locking for us.
return (A) DTOBuilder.newArrayBundleRevisionDTO(module.getRevisions());
}
if (BundleWiringDTO.class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
readLock();
try {
return (A) DTOBuilder.newBundleWiringDTO(module.getCurrentRevision());
} finally {
readUnlock();
}
}
if (BundleWiringDTO[].class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
readLock();
try {
return (A) DTOBuilder.newArrayBundleWiringDTO(module.getRevisions());
} finally {
readUnlock();
}
}
if (ServiceReferenceDTO[].class.equals(adapterType)) {
if (module.getState().equals(State.UNINSTALLED)) {
return null;
}
BundleContextImpl current = getBundleContextImpl();
ServiceReference[] references = (current == null) ? null : equinoxContainer.getServiceRegistry().getRegisteredServices(current);
return (A) DTOBuilder.newArrayServiceReferenceDTO(references);
}
if (getBundleId() == 0) {
if (Framework.class.equals(adapterType)) {
return (A) this;
}
if (FrameworkStartLevel.class.equals(adapterType)) {
return (A) module.getContainer().getFrameworkStartLevel();
}
if (FrameworkWiring.class.equals(adapterType)) {
return (A) module.getContainer().getFrameworkWiring();
}
if (FrameworkDTO.class.equals(adapterType)) {
BundleContextImpl current = getBundleContextImpl();
Map configuration = equinoxContainer.getConfiguration().getConfiguration();
readLock();
try {
return (A) DTOBuilder.newFrameworkDTO(current, configuration);
} finally {
readUnlock();
}
}
if (FrameworkStartLevelDTO.class.equals(adapterType)) {
return (A) DTOBuilder.newFrameworkStartLevelDTO(module.getContainer().getFrameworkStartLevel());
}
if (FrameworkWiringDTO.class.equals(adapterType)) {
readLock();
try {
Set allWirings = new HashSet<>();
for (Module m : module.getContainer().getModules()) {
for (ModuleRevision revision : m.getRevisions().getModuleRevisions()) {
ModuleWiring wiring = revision.getWiring();
if (wiring != null) {
allWirings.add(wiring);
}
}
}
for (ModuleRevision revision : module.getContainer().getRemovalPending()) {
ModuleWiring wiring = revision.getWiring();
if (wiring != null) {
allWirings.add(wiring);
}
}
return (A) DTOBuilder.newFrameworkWiringDTO(allWirings);
} finally {
readUnlock();
}
}
}
// Equinox extras
if (Module.class.equals(adapterType)) {
return (A) module;
}
if (ProtectionDomain.class.equals(adapterType)) {
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
return (A) current.getDomain();
}
if (SignedContent.class.equals(adapterType)) {
return (A) getSignedContent();
}
if (File.class.equals(adapterType)) {
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
return (A) current.getContent();
}
return null;
}
private SignedContent getSignedContent() {
SignedContent current = signedContent;
if (current == null) {
SignedContentFactory factory = equinoxContainer.getSignedContentFactory();
if (factory == null) {
return null;
}
try {
signedContent = current = factory.getSignedContent(this);
} catch (InvalidKeyException | SignatureException | CertificateException | NoSuchAlgorithmException
| NoSuchProviderException | IOException e) {
return null;
}
}
return current;
}
/**
* Check for permission to adapt.
*/
private void checkAdaptPermission(Class adapterType) {
SecurityManager sm = System.getSecurityManager();
if (sm == null) {
return;
}
sm.checkPermission(new AdaptPermission(adapterType.getName(), this, AdaptPermission.ADAPT));
}
@Override
public File getDataFile(String filename) {
checkValid();
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
return current.getBundleInfo().getDataFile(filename);
}
@Override
public Bundle getBundle() {
return this;
}
public Module getModule() {
return module;
}
private final void checkValid() {
if (module.getState().equals(State.UNINSTALLED))
throw new IllegalStateException("Bundle has been uninstalled: " + this); //$NON-NLS-1$
}
public boolean isFragment() {
return (getModule().getCurrentRevision().getTypes() & BundleRevision.TYPE_FRAGMENT) != 0;
}
void startWorker0() throws BundleException {
BundleContextImpl current = createBundleContext();
if (current == null) {
throw new BundleException("Unable to create bundle context! " + this); //$NON-NLS-1$
}
try {
current.start();
} catch (BundleException e) {
current.close();
synchronized (EquinoxBundle.this.monitor) {
context = null;
}
throw e;
}
}
void stopWorker0() throws BundleException {
BundleContextImpl current = getBundleContextImpl();
if (current != null) {
try {
current.stop();
} finally {
current.close();
}
synchronized (EquinoxBundle.this.monitor) {
context = null;
}
}
}
ResolutionReport resolve() {
if (!Module.RESOLVED_SET.contains(module.getState())) {
return module.getContainer().resolve(Collections.singletonList(module), true);
}
return null;
}
List getGenerations() {
List result = new ArrayList<>();
ModuleRevision current = getModule().getCurrentRevision();
result.add((Generation) current.getRevisionInfo());
ModuleWiring wiring = current.getWiring();
if (wiring != null) {
List hostWires = wiring.getProvidedModuleWires(HostNamespace.HOST_NAMESPACE);
if (hostWires != null) {
for (ModuleWire hostWire : hostWires) {
result.add((Generation) hostWire.getRequirer().getRevisionInfo());
}
}
}
return result;
}
EquinoxContainer getEquinoxContainer() {
return equinoxContainer;
}
@Override
public String toString() {
String name = getSymbolicName();
if (name == null)
name = "unknown"; //$NON-NLS-1$
return (name + '_' + getVersion() + " [" + getBundleId() + "]"); //$NON-NLS-1$ //$NON-NLS-2$
}
}