/*******************************************************************************
* Copyright (c) 2006, 2011 Cognos Incorporated, IBM Corporation and others
* All rights reserved. This program and the accompanying materials are made
* available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
******************************************************************************/
package org.eclipse.equinox.log.internal;
import java.io.File;
import java.io.InputStream;
import java.net.URL;
import java.security.cert.X509Certificate;
import java.util.*;
import org.eclipse.equinox.log.*;
import org.eclipse.osgi.framework.adaptor.FrameworkAdaptor;
import org.osgi.framework.*;
import org.osgi.service.log.*;
public class LogServiceManager implements BundleListener, FrameworkListener, ServiceListener {
private static final String[] LOGSERVICE_CLASSES = {LogService.class.getName(), ExtendedLogService.class.getName()};
private static final String[] LOGREADERSERVICE_CLASSES = {LogReaderService.class.getName(), ExtendedLogReaderService.class.getName()};
private ServiceRegistration<?> logReaderServiceRegistration;
private ServiceRegistration<?> logServiceRegistration;
private final ExtendedLogReaderServiceFactory logReaderServiceFactory = new ExtendedLogReaderServiceFactory();
private final ExtendedLogServiceFactory logServiceFactory = new ExtendedLogServiceFactory(logReaderServiceFactory);
private final ExtendedLogServiceImpl systemBundleLog = logServiceFactory.getLogService(new MockSystemBundle());
private EventAdminAdapter eventAdminAdapter;
public LogServiceManager(LogListener... systemListeners) {
for (LogListener logListener : systemListeners) {
if (logListener instanceof LogFilter)
logReaderServiceFactory.addLogListener(logListener, (LogFilter) logListener);
else
logReaderServiceFactory.addLogListener(logListener, ExtendedLogReaderServiceFactory.NULL_LOGGER_FILTER);
}
}
public void start(BundleContext context) {
systemBundleLog.setBundle(context.getBundle());
context.addBundleListener(this);
context.addServiceListener(this);
context.addFrameworkListener(this);
context.addBundleListener(logServiceFactory);
logReaderServiceRegistration = context.registerService(LOGREADERSERVICE_CLASSES, logReaderServiceFactory, null);
logServiceRegistration = context.registerService(LOGSERVICE_CLASSES, logServiceFactory, null);
eventAdminAdapter = new EventAdminAdapter(context, logReaderServiceFactory);
eventAdminAdapter.start();
}
public void stop(BundleContext context) {
eventAdminAdapter.stop();
eventAdminAdapter = null;
logServiceRegistration.unregister();
logServiceRegistration = null;
logReaderServiceRegistration.unregister();
logReaderServiceRegistration = null;
logServiceFactory.shutdown();
context.removeFrameworkListener(this);
context.removeServiceListener(this);
context.removeBundleListener(this);
}
public ExtendedLogService getSystemBundleLog() {
return systemBundleLog;
}
/**
* BundleListener.bundleChanged method.
*
*/
public void bundleChanged(BundleEvent event) {
Bundle bundle = event.getBundle();
if (logReaderServiceFactory.isLoggable(bundle, null, LogService.LOG_INFO))
logReaderServiceFactory.log(bundle, null, null, LogService.LOG_INFO, getBundleEventTypeName(event.getType()), null);
}
/**
* ServiceListener.serviceChanged method.
*
*/
public void serviceChanged(ServiceEvent event) {
ServiceReference<?> reference = event.getServiceReference();
Bundle bundle = reference.getBundle();
int eventType = event.getType();
int logType = (eventType == ServiceEvent.MODIFIED) ? LogService.LOG_DEBUG : LogService.LOG_INFO;
if (logReaderServiceFactory.isLoggable(bundle, null, logType))
logReaderServiceFactory.log(bundle, null, reference, logType, getServiceEventTypeName(eventType), null);
}
/**
* FrameworkListener.frameworkEvent method.
*
*/
public void frameworkEvent(FrameworkEvent event) {
Bundle bundle = event.getBundle();
int eventType = event.getType();
int logType = (eventType == FrameworkEvent.ERROR) ? LogService.LOG_ERROR : LogService.LOG_INFO;
Throwable throwable = (eventType == FrameworkEvent.ERROR) ? event.getThrowable() : null;
if (logReaderServiceFactory.isLoggable(bundle, null, logType))
logReaderServiceFactory.log(bundle, null, null, logType, getFrameworkEventTypeName(eventType), throwable);
}
/**
* Convert BundleEvent type to a string.
*
*/
private static String getBundleEventTypeName(int type) {
switch (type) {
case BundleEvent.INSTALLED :
return ("BundleEvent INSTALLED"); //$NON-NLS-1$
case BundleEvent.RESOLVED :
return ("BundleEvent RESOLVED"); //$NON-NLS-1$
case BundleEvent.STARTED :
return ("BundleEvent STARTED"); //$NON-NLS-1$
case BundleEvent.STARTING :
return ("BundleEvent STARTING"); //$NON-NLS-1$
case BundleEvent.STOPPED :
return ("BundleEvent STOPPED"); //$NON-NLS-1$
case BundleEvent.STOPPING :
return ("BundleEvent STOPPING"); //$NON-NLS-1$
case BundleEvent.UNINSTALLED :
return ("BundleEvent UNINSTALLED"); //$NON-NLS-1$
case BundleEvent.UNRESOLVED :
return ("BundleEvent UNRESOLVED"); //$NON-NLS-1$
case BundleEvent.UPDATED :
return ("BundleEvent UPDATED"); //$NON-NLS-1$
default :
return ("BundleEvent " + Integer.toHexString(type)); //$NON-NLS-1$
}
}
/**
* Convert ServiceEvent type to a string.
*
*/
private static String getServiceEventTypeName(int type) {
switch (type) {
case ServiceEvent.REGISTERED :
return ("ServiceEvent REGISTERED"); //$NON-NLS-1$
case ServiceEvent.MODIFIED :
return ("ServiceEvent MODIFIED"); //$NON-NLS-1$
case ServiceEvent.UNREGISTERING :
return ("ServiceEvent UNREGISTERING"); //$NON-NLS-1$
default :
return ("ServiceEvent " + Integer.toHexString(type)); //$NON-NLS-1$
}
}
/**
* Convert FrameworkEvent type to a string.
*
*/
private static String getFrameworkEventTypeName(int type) {
switch (type) {
case FrameworkEvent.ERROR :
return ("FrameworkEvent ERROR"); //$NON-NLS-1$
case FrameworkEvent.INFO :
return ("FrameworkEvent INFO"); //$NON-NLS-1$
case FrameworkEvent.PACKAGES_REFRESHED :
return ("FrameworkEvent PACKAGES REFRESHED"); //$NON-NLS-1$
case FrameworkEvent.STARTED :
return ("FrameworkEvent STARTED"); //$NON-NLS-1$
case FrameworkEvent.STARTLEVEL_CHANGED :
return ("FrameworkEvent STARTLEVEL CHANGED"); //$NON-NLS-1$
case FrameworkEvent.WARNING :
return ("FrameworkEvent WARNING"); //$NON-NLS-1$
default :
return ("FrameworkEvent " + Integer.toHexString(type)); //$NON-NLS-1$
}
}
static class MockSystemBundle implements Bundle {
public int compareTo(Bundle o) {
long idcomp = getBundleId() - o.getBundleId();
return (idcomp < 0L) ? -1 : ((idcomp > 0L) ? 1 : 0);
}
public int getState() {
return Bundle.RESOLVED;
}
public void start(int options) {
// nothing
}
public void start() {
// nothing
}
public void stop(int options) {
// nothing
}
public void stop() {
// nothing
}
public void update(InputStream input) {
// nothing
}
public void update() {
// nothing
}
public void uninstall() {
// nothing
}
public Dictionary<String, String> getHeaders() {
return new Hashtable<String, String>();
}
public long getBundleId() {
return 0;
}
public String getLocation() {
return Constants.SYSTEM_BUNDLE_LOCATION;
}
public ServiceReference<?>[] getRegisteredServices() {
return null;
}
public ServiceReference<?>[] getServicesInUse() {
return null;
}
public boolean hasPermission(Object permission) {
return true;
}
public URL getResource(String name) {
return null;
}
public Dictionary<String, String> getHeaders(String locale) {
return null;
}
public String getSymbolicName() {
return FrameworkAdaptor.FRAMEWORK_SYMBOLICNAME;
}
public Class<?> loadClass(String name) throws ClassNotFoundException {
throw new ClassNotFoundException();
}
public Enumeration<URL> getResources(String name) {
return null;
}
public Enumeration<String> getEntryPaths(String path) {
return null;
}
public URL getEntry(String path) {
return null;
}
public long getLastModified() {
return System.currentTimeMillis();
}
public Enumeration<URL> findEntries(String path, String filePattern, boolean recurse) {
return null;
}
public BundleContext getBundleContext() {
return null;
}
public Map<X509Certificate, List<X509Certificate>> getSignerCertificates(int signersType) {
return new HashMap<X509Certificate, List<X509Certificate>>();
}
public Version getVersion() {
return new Version(0, 0, 0);
}
public <A> A adapt(Class<A> type) {
return null;
}
public File getDataFile(String filename) {
return null;
}
}
}