javolution.osgi.internal.OSGiServices Maven / Gradle / Ivy
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/*
* Javolution - Java(TM) Solution for Real-Time and Embedded Systems
* Copyright (C) 2012 - Javolution (http://javolution.org/)
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software is
* freely granted, provided that this notice is preserved.
*/
package javolution.osgi.internal;
import javolution.context.ConcurrentContext;
import javolution.context.LocalContext;
import javolution.context.LogContext;
import javolution.context.SecurityContext;
import javolution.context.internal.ConcurrentContextImpl;
import javolution.context.internal.LocalContextImpl;
import javolution.context.internal.LogContextImpl;
import javolution.context.internal.SecurityContextImpl;
import javolution.io.Struct;
import javolution.lang.Configurable;
import javolution.lang.Initializer;
import javolution.lang.MathLib;
import javolution.text.Text;
import javolution.text.TextContext;
import javolution.text.TypeFormat;
import javolution.text.internal.TextContextImpl;
import javolution.util.FastBitSet;
import javolution.util.FastSortedMap;
import javolution.util.FastSortedSet;
import javolution.util.FastSortedTable;
import javolution.util.Index;
import javolution.util.function.Equalities;
import javolution.util.function.Reducers;
import javolution.xml.XMLContext;
import javolution.xml.internal.XMLContextImpl;
import javolution.xml.internal.stream.XMLInputFactoryImpl;
import javolution.xml.internal.stream.XMLOutputFactoryImpl;
import javolution.xml.internal.stream.XMLStreamReaderImpl;
import javolution.xml.internal.stream.XMLStreamWriterImpl;
import javolution.xml.stream.XMLInputFactory;
import javolution.xml.stream.XMLOutputFactory;
import org.osgi.service.log.LogService;
/**
* The OSGi services tracked by the Javolution bundle.
* When running outside OSGi or when the Javolution bundle is not started
* the default service implementation is returned.
*/
public class OSGiServices {
final static ServiceTrackerImpl CONCURRENT_CONTEXT_TRACKER = new ServiceTrackerImpl(
ConcurrentContext.class, ConcurrentContextImpl.class);
final static ServiceTrackerImpl CONFIGURABLE_LISTENER_TRACKER = new ServiceTrackerImpl(
Configurable.Listener.class, ConfigurableListenerImpl.class);
final static ServiceTrackerImpl LOCAL_CONTEXT_TRACKER = new ServiceTrackerImpl(
LocalContext.class, LocalContextImpl.class);
final static ServiceTrackerImpl LOG_CONTEXT_TRACKER = new ServiceTrackerImpl(
LogContext.class, LogContextImpl.class);
final static ServiceTrackerImpl LOG_SERVICE_TRACKER = new ServiceTrackerImpl(
LogService.class, LogServiceImpl.class);
final static ServiceTrackerImpl SECURITY_CONTEXT_TRACKER = new ServiceTrackerImpl(
SecurityContext.class, SecurityContextImpl.class);
final static ServiceTrackerImpl TEXT_CONTEXT_TRACKER = new ServiceTrackerImpl(
TextContext.class, TextContextImpl.class);
final static ServiceTrackerImpl XML_CONTEXT_TRACKER = new ServiceTrackerImpl(
XMLContext.class, XMLContextImpl.class);
final static ServiceTrackerImpl XML_INPUT_FACTORY_TRACKER = new ServiceTrackerImpl(
XMLInputFactory.class, XMLInputFactoryImpl.class);
final static ServiceTrackerImpl XML_OUTPUT_FACTORY_TRACKER = new ServiceTrackerImpl(
XMLOutputFactory.class, XMLOutputFactoryImpl.class);
/** Returns concurrent context services. */
public static ConcurrentContext getConcurrentContext() {
return (ConcurrentContext)CONCURRENT_CONTEXT_TRACKER.getServices()[0];
}
/** Returns configurable listener services. */
public static Object[] getConfigurableListeners() {
return CONFIGURABLE_LISTENER_TRACKER.getServices();
}
/** Returns local context service. */
public static LocalContext getLocalContext() {
return (LocalContext)LOCAL_CONTEXT_TRACKER.getServices()[0];
}
/** Returns log context service. */
public static LogContext getLogContext() {
return (LogContext)LOG_CONTEXT_TRACKER.getServices()[0];
}
/** Returns OSGi log service. */
public static Object[] getLogServices() {
return LOG_SERVICE_TRACKER.getServices();
}
/** Returns security context service. */
public static SecurityContext getSecurityContext() {
return (SecurityContext) SECURITY_CONTEXT_TRACKER.getServices()[0];
}
/** Returns text context service. */
public static TextContext getTextContext() {
return (TextContext)TEXT_CONTEXT_TRACKER.getServices()[0];
}
/** Returns xml context service. */
public static XMLContext getXMLContext() {
return (XMLContext)XML_CONTEXT_TRACKER.getServices()[0];
}
/** Returns xml input factory service. */
public static XMLInputFactory getXMLInputFactory() {
return (XMLInputFactory)XML_INPUT_FACTORY_TRACKER.getServices()[0];
}
/** Returns xml output factory service. */
public static XMLOutputFactory getXMLOutputFactory() {
return (XMLOutputFactory)XML_OUTPUT_FACTORY_TRACKER.getServices()[0];
}
/** Initializes all real-time classes. */
public static boolean initializeRealtimeClasses() {
Initializer initializer = new Initializer(OSGiServices.class.getClassLoader());
initializer.loadClass(MathLib.class);
initializer.loadClass(Text.class);
initializer.loadClass(TypeFormat.class);
initializer.loadClass(Struct.class);
initializer.loadClass(FastBitSet.class);
initializer.loadClass(FastSortedMap.class);
initializer.loadClass(FastSortedSet.class);
initializer.loadClass(FastSortedTable.class);
initializer.loadClass(Index.class); // Preallocates.
initializer.loadClass(Reducers.class);
initializer.loadClass(Equalities.class);
initializer.loadClass(XMLStreamReaderImpl.class);
initializer.loadClass(XMLStreamWriterImpl.class);
return initializer.initializeLoadedClasses();
}
}