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<ModuleClassLoader>() {
@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 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 Enumeration<URL> 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<URL> 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 File getDataFile(String filename) {
checkValid();
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
return current.getBundleInfo().getDataFile(filename);
}
@SuppressWarnings("unchecked")
private <A> A adapt0(Class<A> 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) equinoxContainer.getStorage().getModuleContainer().getFrameworkStartLevel();
}
if (FrameworkWiring.class.equals(adapterType)) {
return (A) equinoxContainer.getStorage().getModuleContainer().getFrameworkWiring();
}
if (FrameworkDTO.class.equals(adapterType)) {
BundleContextImpl current = getBundleContextImpl();
Map<String, String> configuration = equinoxContainer.getConfiguration().getConfiguration();
readLock();
try {
return (A) DTOBuilder.newFrameworkDTO(current, configuration);
} finally {
readUnlock();
}
}
if (FrameworkStartLevelDTO.class.equals(adapterType)) {
return (A)
DTOBuilder.newFrameworkStartLevelDTO(
equinoxContainer.getStorage().getModuleContainer().getFrameworkStartLevel());
}
}
// 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();
}
return null;
}
@Override
public Version getVersion() {
return module.getCurrentRevision().getVersion();
}
@Override
public String getSymbolicName() {
return module.getCurrentRevision().getSymbolicName();
}
private Dictionary<String, String> privGetHeaders(String locale) {
Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
return current.getHeaders(locale);
}