/**
* Call bundle's BundleActivator.stop() This method is called by Bundle.stopWorker to stop the
* bundle.
*
* @exception BundleException if the bundle has a class that implements the BundleActivator
* interface, and the BundleActivator.stop() method failed
*/
protected void stop() throws BundleException {
try {
AccessController.doPrivileged(
new PrivilegedExceptionAction<Object>() {
public Object run() throws Exception {
if (activator != null) {
// make sure the context class loader is set correctly
Object previousTCCL = setContextFinder();
try {
/* Stop the bundle synchronously */
activator.stop(BundleContextImpl.this);
} finally {
if (previousTCCL != Boolean.FALSE)
Thread.currentThread().setContextClassLoader((ClassLoader) previousTCCL);
}
}
return null;
}
});
} catch (Throwable t) {
if (t instanceof PrivilegedActionException) {
t = ((PrivilegedActionException) t).getException();
}
if (Debug.DEBUG_GENERAL) {
Debug.printStackTrace(t);
}
String clazz = (activator == null) ? "" : activator.getClass().getName(); // $NON-NLS-1$
throw new BundleException(
NLS.bind(
Msg.BUNDLE_ACTIVATOR_EXCEPTION,
new Object[] {
clazz,
"stop",
bundle.getSymbolicName() == null
? "" + bundle.getBundleId()
: bundle.getSymbolicName()
}),
BundleException.ACTIVATOR_ERROR,
t); //$NON-NLS-1$ //$NON-NLS-2$
} finally {
activator = null;
}
}
/**
* Call bundle's BundleActivator.start() This method is called by Bundle.startWorker to start the
* bundle.
*
* @exception BundleException if the bundle has a class that implements the BundleActivator
* interface, but Framework couldn't instantiate it, or the BundleActivator.start() method
* failed
*/
protected void start() throws BundleException {
activator = bundle.loadBundleActivator();
if (activator != null) {
try {
startActivator(activator);
} catch (BundleException be) {
activator = null;
throw be;
}
}
/* activator completed successfully. We must use this
same activator object when we stop this bundle. */
}
/**
* Calls the start method of a BundleActivator.
*
* @param bundleActivator that activator to start
*/
protected void startActivator(final BundleActivator bundleActivator) throws BundleException {
if (Profile.PROFILE && Profile.STARTUP)
Profile.logEnter("BundleContextImpl.startActivator()", null); // $NON-NLS-1$
try {
AccessController.doPrivileged(
new PrivilegedExceptionAction<Object>() {
public Object run() throws Exception {
if (bundleActivator != null) {
if (Profile.PROFILE && Profile.STARTUP)
Profile.logTime(
"BundleContextImpl.startActivator()",
"calling "
+ bundle.getLocation()
+ " bundle activator"); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
// make sure the context class loader is set correctly
Object previousTCCL = setContextFinder();
/* Start the bundle synchronously */
try {
bundleActivator.start(BundleContextImpl.this);
} finally {
if (previousTCCL != Boolean.FALSE)
Thread.currentThread().setContextClassLoader((ClassLoader) previousTCCL);
}
if (Profile.PROFILE && Profile.STARTUP)
Profile.logTime(
"BundleContextImpl.startActivator()",
"returned from "
+ bundle.getLocation()
+ " bundle activator"); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
}
return null;
}
});
} catch (Throwable t) {
if (t instanceof PrivilegedActionException) {
t = ((PrivilegedActionException) t).getException();
}
if (Debug.DEBUG_GENERAL) {
Debug.printStackTrace(t);
}
String clazz = null;
clazz = bundleActivator.getClass().getName();
throw new BundleException(
NLS.bind(
Msg.BUNDLE_ACTIVATOR_EXCEPTION,
new Object[] {
clazz,
"start",
bundle.getSymbolicName() == null
? "" + bundle.getBundleId()
: bundle.getSymbolicName()
}),
BundleException.ACTIVATOR_ERROR,
t); //$NON-NLS-1$ //$NON-NLS-2$
} finally {
if (Profile.PROFILE && Profile.STARTUP)
Profile.logExit("BundleContextImpl.startActivator()"); // $NON-NLS-1$
}
}