| /******************************************************************************* |
| * Copyright (c) 1997, 2018 by ProSyst Software GmbH |
| * http://www.prosyst.com |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * ProSyst Software GmbH - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.internal.util.impl.tpt; |
| |
| import org.eclipse.equinox.internal.util.UtilActivator; |
| import org.eclipse.equinox.internal.util.ref.Log; |
| import org.osgi.framework.*; |
| |
| /** |
| * @author Pavlin Dobrev |
| * @version 1.0 |
| */ |
| |
| public abstract class ServiceFactoryImpl<T> implements ServiceFactory<T> { |
| |
| public String bundleName; |
| public static Log log; |
| |
| private static Bundle systemBundle = null; |
| static { |
| try { |
| systemBundle = UtilActivator.bc.getBundle(0); |
| } catch (Exception e) { |
| } |
| } |
| static boolean emptyStorage; |
| |
| private static boolean security = Log.security(); |
| |
| public static boolean privileged() { |
| emptyStorage = UtilActivator.bc.getProperty("equinox.storage.empty") != null; |
| return ((systemBundle.getState() != Bundle.STARTING) || emptyStorage) && security; |
| } |
| |
| public static boolean useNames = true; |
| static String suseNames; |
| |
| public ServiceFactoryImpl(String bundleName, Log log) { |
| this.bundleName = bundleName; |
| ServiceFactoryImpl.log = log; |
| |
| String tmp = UtilActivator.bc.getProperty("equinox.util.threadpool.useNames"); |
| if (suseNames != tmp) |
| useNames = tmp == null || !tmp.equals("false"); |
| } |
| |
| public ServiceFactoryImpl(String bundleName) { |
| this.bundleName = bundleName; |
| } |
| |
| @Override |
| public T getService(Bundle caller, ServiceRegistration<T> sReg) { |
| return getInstance(useNames ? getName(caller) : null); |
| } |
| |
| public static String getName(Bundle caller) { |
| StringBuilder bf = new StringBuilder(13); |
| bf.append(" (Bundle "); |
| bf.append(caller.getBundleId()); |
| bf.append(')'); |
| return bf.toString(); |
| } |
| |
| /** |
| * Nothing to be done here. |
| * |
| * @param caller |
| * caller bundle, which releases the factory instance |
| * @param sReg |
| * @param service |
| * object that is released |
| */ |
| @Override |
| public void ungetService(Bundle caller, ServiceRegistration<T> sReg, T service) { |
| } |
| |
| public abstract T getInstance(String bundleName); |
| } |