d6/d1b/OSGiServices_8java_source.html

/*

 * 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;


public class OSGiServices {


    final static ServiceTrackerImpl<ConcurrentContext> CONCURRENT_CONTEXT_TRACKER = new ServiceTrackerImpl<ConcurrentContext>(

            ConcurrentContext.class, ConcurrentContextImpl.class);

    final static ServiceTrackerImpl<Configurable.Listener> CONFIGURABLE_LISTENER_TRACKER = new ServiceTrackerImpl<Configurable.Listener>(

            Configurable.Listener.class, ConfigurableListenerImpl.class);

    final static ServiceTrackerImpl<LocalContext> LOCAL_CONTEXT_TRACKER = new ServiceTrackerImpl<LocalContext>(

            LocalContext.class, LocalContextImpl.class);

    final static ServiceTrackerImpl<LogContext> LOG_CONTEXT_TRACKER = new ServiceTrackerImpl<LogContext>(

            LogContext.class, LogContextImpl.class);

    final static ServiceTrackerImpl<LogService> LOG_SERVICE_TRACKER = new ServiceTrackerImpl<LogService>(

            LogService.class, LogServiceImpl.class);

    final static ServiceTrackerImpl<SecurityContext> SECURITY_CONTEXT_TRACKER = new ServiceTrackerImpl<SecurityContext>(

            SecurityContext.class, SecurityContextImpl.class);

    final static ServiceTrackerImpl<TextContext> TEXT_CONTEXT_TRACKER = new ServiceTrackerImpl<TextContext>(

            TextContext.class, TextContextImpl.class);

    final static ServiceTrackerImpl<XMLContext> XML_CONTEXT_TRACKER = new ServiceTrackerImpl<XMLContext>(

            XMLContext.class, XMLContextImpl.class);

    final static ServiceTrackerImpl<XMLInputFactory> XML_INPUT_FACTORY_TRACKER = new ServiceTrackerImpl<XMLInputFactory>(

            XMLInputFactory.class, XMLInputFactoryImpl.class);

    final static ServiceTrackerImpl<XMLOutputFactory> XML_OUTPUT_FACTORY_TRACKER = new ServiceTrackerImpl<XMLOutputFactory>(

            XMLOutputFactory.class, XMLOutputFactoryImpl.class);


    public static ConcurrentContext getConcurrentContext() {

        return (ConcurrentContext)CONCURRENT_CONTEXT_TRACKER.getServices()[0];

    }


    public static Object[] getConfigurableListeners() {

        return CONFIGURABLE_LISTENER_TRACKER.getServices();

    }


    public static LocalContext getLocalContext() {

        return (LocalContext)LOCAL_CONTEXT_TRACKER.getServices()[0];

    }


    public static LogContext getLogContext() {

        return (LogContext)LOG_CONTEXT_TRACKER.getServices()[0];

    }


    public static Object[] getLogServices() {

        return LOG_SERVICE_TRACKER.getServices();

    }


    public static SecurityContext getSecurityContext() {

        return (SecurityContext) SECURITY_CONTEXT_TRACKER.getServices()[0];

    }


    public static TextContext getTextContext() {

        return (TextContext)TEXT_CONTEXT_TRACKER.getServices()[0];

    }


    public static XMLContext getXMLContext() {

        return (XMLContext)XML_CONTEXT_TRACKER.getServices()[0];

    }


    public static XMLInputFactory getXMLInputFactory() {

        return (XMLInputFactory)XML_INPUT_FACTORY_TRACKER.getServices()[0];

    }


    public static XMLOutputFactory getXMLOutputFactory() {

        return (XMLOutputFactory)XML_OUTPUT_FACTORY_TRACKER.getServices()[0];

    }


    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();

    }

}