Java ServiceTracker.getService方法代码示例

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public static List<Region> getRegions() {
	BundleContext bundleContext = FrameworkUtil.getBundle(
		UseJNDI.class).getBundleContext();

	ServiceTracker<RegionLocalService, RegionLocalService> tracker =
		new ServiceTracker<>(bundleContext, RegionLocalService.class, null);

	tracker.open();

	RegionLocalService regionLocalService = tracker.getService();

	try {
		List<Region> regions = regionLocalService.getRegions(
			0, getRegionsCount());

		return regions;
	}
	catch (Exception e) {
		e.printStackTrace();
	}

	tracker.close();

	return null;
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public static void useJNDI() {
	BundleContext bundleContext = FrameworkUtil.getBundle(
		UseJNDI.class).getBundleContext();

	ServiceTracker<RegionLocalService, RegionLocalService> tracker =
		new ServiceTracker<>(bundleContext, RegionLocalService.class, null);

	tracker.open();

	RegionLocalService regionLocalService = tracker.getService();

	try {
		regionLocalService.useJNDI();
	}
	catch (Exception e) {
		e.printStackTrace();
	}

	tracker.close();
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public static List<Country> getCountries() {
	BundleContext bundleContext = FrameworkUtil.getBundle(
		UseJDBC.class).getBundleContext();

	ServiceTracker<CountryLocalService, CountryLocalService> tracker =
		new ServiceTracker<>(
			bundleContext, CountryLocalService.class, null);

	tracker.open();

	CountryLocalService countryLocalService = tracker.getService();

	try {
		List<Country> countries = countryLocalService.getCountries(
			0, getCountriesCount());

		return countries;
	}
	catch (Exception e) {
		e.printStackTrace();
	}

	tracker.close();

	return null;
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
@Override
public HTTPClientFactory getHTTPClientFactory(final ConnectionInstanceData instanceData) {
    final ServiceTracker proxyServiceTracker = TFSCommonUIClientPlugin.getDefault().getProxyServiceTracker();

    if (proxyServiceTracker.getService() != null) {
        if (log.isDebugEnabled()) {
            log.debug("IProxyService is available, returning an EclipseHttpClientFactory"); //$NON-NLS-1$
        }

        return new ProxyServiceHTTPClientFactory(instanceData, proxyServiceTracker);
    }

    if (log.isDebugEnabled()) {
        log.debug("IProxyService is not available, returning a LegacyHttpClientFactory"); //$NON-NLS-1$
    }

    return new LegacyHTTPClientFactory(instanceData);
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public static void useJDBC() {
	BundleContext bundleContext = FrameworkUtil.getBundle(
		UseJDBC.class).getBundleContext();

	ServiceTracker<CountryLocalService, CountryLocalService> tracker =
		new ServiceTracker<>(
			bundleContext, CountryLocalService.class, null);

	tracker.open();

	CountryLocalService countryLocalService = tracker.getService();

	try {
		countryLocalService.useJDBC();
	}
	catch (Exception e) {
		e.printStackTrace();
	}

	tracker.close();
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public static int getRegionsCount() {
	BundleContext bundleContext = FrameworkUtil.getBundle(
		UseJNDI.class).getBundleContext();

	ServiceTracker<RegionLocalService, RegionLocalService> tracker =
		new ServiceTracker<>(bundleContext, RegionLocalService.class, null);

	tracker.open();

	RegionLocalService regionLocalService = tracker.getService();

	try {
		int regionsCount = regionLocalService.getRegionsCount();

		return regionsCount;
	}
	catch (Exception e) {
		e.printStackTrace();
	}

	tracker.close();

	return 0;
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public static int getCountriesCount() {
	BundleContext bundleContext = FrameworkUtil.getBundle(
		UseJDBC.class).getBundleContext();

	ServiceTracker<CountryLocalService, CountryLocalService> tracker =
		new ServiceTracker<>(
			bundleContext, CountryLocalService.class, null);

	tracker.open();

	CountryLocalService countryLocalService = tracker.getService();

	try {
		int regionsCount = countryLocalService.getCountriesCount();

		return regionsCount;
	}
	catch (Exception e) {
		e.printStackTrace();
	}

	tracker.close();

	return 0;
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public synchronized ServiceTracker createServiceTracker(final Class<?> c) {
    ServiceTracker serviceTracker = new ServiceTracker(context, c.getName(), null);
    serviceTracker.open();
    long s = System.currentTimeMillis();
    while (serviceTracker.getService() == null) {
        try {
            Thread.sleep(50);
        } catch (InterruptedException e) {}

        if (System.currentTimeMillis() - s > 5000) {
            if (serviceTracker.getService() == null) {
                System.err.println(c.getName() + " 서비스를 사용 할 수 없습니다.");
            }
            break;
        }
    }

    return serviceTracker;
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public void testExtendedLogReaderServiceAvailable() throws Exception {
    Framework f = IntegrationTest.findFramework();
    BundleContext bc = f.getBundleContext();
    
    ServiceTracker logReaderTracker = new ServiceTracker(bc, ExtendedLogReaderService.class.getName(), null);
    logReaderTracker.open();
            
    LogReaderService logReader = (ExtendedLogReaderService) logReaderTracker.getService();
    assertNotNull(logReader);
        
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
private static void logInternal(int level, String msg, Throwable ex) {
    boolean failedToGetLog = false;
    try {
        ServiceTracker<ExtendedLogService, ExtendedLogService> logTracker
        = Activator.getLogTracker();
        if (logTracker == null) {
            failedToGetLog = true;
            throw new IllegalStateException("logTracker is null");
        }

        ExtendedLogService logService = logTracker.getService();
        if (logService == null) {
            failedToGetLog = true;
            throw new IllegalStateException("logService is null");
        }

        Logger logger = logService.getLogger(EQUINOX_LOGGER);
        if (logger == null) {
            failedToGetLog = true;
            throw new IllegalStateException("logger is null");
        }
        logger.log(level, msg, ex);
    } catch (Exception exLog) {
        if (failedToGetLog) {
            System.err.println("LogService not found! Logging to stdout.");
        } else {
            System.err.println("ERROR while trying to log!");
            exLog.printStackTrace(System.err);
        }

        System.err.println("Attempted to log:");
        System.err.println("Message: " + msg);
        System.err.println("Exception: ");
        if (ex != null) {
            ex.printStackTrace(System.err);
        }
        System.err.println();
    }
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
@Activate
void activate(BundleContext bundleContext) {
	ServiceTracker logServiceTracker = new ServiceTracker(bundleContext, LogService.class.getName(), null);
	logServiceTracker.open();
	
	LogService logService = (LogService) logServiceTracker.getService();
	
	if(logService != null)
        logService.log(LogService.LOG_INFO, "[" + this.getClass().getName() + "] Testing the logServiceWritter!");

}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
@Activate
void activate(BundleContext bundleContext) {
	ServiceTracker logServiceTracker = new ServiceTracker(bundleContext, LogService.class.getName(), null);
	logServiceTracker.open();
	
	LogService logService = (LogService) logServiceTracker.getService();
	
	ServiceReference ref = bundleContext.getServiceReference(org.osgi.service.log.LogReaderService.class.getName());
    if (ref != null)
    {
      org.osgi.service.log.LogReaderService reader = (org.osgi.service.log.LogReaderService)bundleContext.getService(ref);
      reader.addLogListener(new LogListenerImpl(logService));
    }
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
private void trackService(BundleContext bc) {
ServiceTracker serviceTracker = new ServiceTracker(bc, "oog.common.OGraphFacade", null);
// Be sure to call open() before getService()
serviceTracker.open();

Object service = serviceTracker.getService();
if(service instanceof OGraphFacade) {
	facade = (OGraphFacade) service;
}		
  }
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
private void trackService(BundleContext bc) {
	ServiceTracker serviceTracker = new ServiceTracker(bc, "oog.common.OGraphFacade", null);
	// Be sure to call open() before getService()
	serviceTracker.open();

	Object service = serviceTracker.getService();
	if (service instanceof OGraphFacade) {
	// MotherFacade.setInstance((OGraphFacade) service);
	}
}
 

import org.osgi.util.tracker.ServiceTracker; //导入方法依赖的package包/类
public static <S, T> T getNotNull(ServiceTracker<S, T> serviceTracker) {
    T service = serviceTracker.getService();
    if (service == null)
        throw new IllegalStateException("Service is null");

    return service;
}