| /* |
| * Copyright (c) 2015, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package org.jvnet.hk2.config; |
| |
| import jakarta.inject.Singleton; |
| |
| import org.glassfish.hk2.api.DynamicConfiguration; |
| import org.glassfish.hk2.api.DynamicConfigurationService; |
| import org.glassfish.hk2.api.HK2Loader; |
| import org.glassfish.hk2.api.IndexedFilter; |
| import org.glassfish.hk2.api.InstanceLifecycleListener; |
| import org.glassfish.hk2.api.ServiceLocator; |
| import org.glassfish.hk2.utilities.BuilderHelper; |
| import org.glassfish.hk2.utilities.DescriptorImpl; |
| |
| /** |
| * Utilities for working with HK2 config |
| * |
| * @author jwells |
| * |
| */ |
| public class HK2DomConfigUtilities { |
| /** |
| * This method enables HK2 Dom based XML configuration parsing for |
| * systems that do not use HK2 metadata files or use a non-default |
| * name for HK2 metadata files. This method is idempotent, so that |
| * if the services already are available in the locator they will |
| * not get added again |
| * |
| * @param locator The non-null locator to add the hk2 dom based |
| * configuration services to |
| */ |
| public static void enableHK2DomConfiguration(ServiceLocator locator, HK2Loader loader) { |
| DynamicConfigurationService dcs = locator.getService(DynamicConfigurationService.class); |
| DynamicConfiguration config = dcs.createDynamicConfiguration(); |
| |
| boolean dirty = false; |
| boolean operationDirty; |
| |
| operationDirty = addIfNotThere(locator, config, getConfigSupport(), loader); |
| dirty = dirty || operationDirty; |
| |
| operationDirty = addIfNotThere(locator, config, getConfigurationPopulator(), loader); |
| dirty = dirty || operationDirty; |
| |
| operationDirty = addIfNotThere(locator, config, getTransactions(), loader); |
| dirty = dirty || operationDirty; |
| |
| operationDirty = addIfNotThere(locator, config, getConfigInstanceListener(), loader); |
| dirty = dirty || operationDirty; |
| |
| if (dirty) { |
| config.commit(); |
| } |
| |
| } |
| |
| |
| /** |
| * This method enables HK2 Dom based XML configuration parsing for |
| * systems that do not use HK2 metadata files or use a non-default |
| * name for HK2 metadata files. This method is idempotent, so that |
| * if the services already are available in the locator they will |
| * not get added again |
| * |
| * @param locator The non-null locator to add the hk2 dom based |
| * configuration services to |
| */ |
| public static void enableHK2DomConfiguration(ServiceLocator locator) { |
| enableHK2DomConfiguration(locator, null); |
| } |
| |
| private final static String CONFIG_SUPPORT_IMPL = "org.jvnet.hk2.config.ConfigSupport"; |
| private final static String CONFIGURATION_UTILITIES = "org.jvnet.hk2.config.api.ConfigurationUtilities"; |
| private static DescriptorImpl getConfigSupport() { |
| return BuilderHelper.link(CONFIG_SUPPORT_IMPL). |
| to(CONFIGURATION_UTILITIES). |
| in(Singleton.class.getName()).build(); |
| } |
| |
| private final static String CONFIGURATION_POPULATOR_IMPL = "org.jvnet.hk2.config.ConfigurationPopulator"; |
| private final static String CONFIG_POPULATOR = "org.glassfish.hk2.bootstrap.ConfigPopulator"; |
| private static DescriptorImpl getConfigurationPopulator() { |
| return BuilderHelper.link(CONFIGURATION_POPULATOR_IMPL). |
| to(CONFIG_POPULATOR). |
| in(Singleton.class.getName()).build(); |
| } |
| |
| private final static String TRANSACTIONS_IMPL = "org.jvnet.hk2.config.Transactions"; |
| private static DescriptorImpl getTransactions() { |
| return BuilderHelper.link(TRANSACTIONS_IMPL). |
| in(Singleton.class.getName()).build(); |
| } |
| |
| private final static String CONFIG_INSTANCE_LISTENER_IMPL = "org.jvnet.hk2.config.provider.internal.ConfigInstanceListener"; |
| private static DescriptorImpl getConfigInstanceListener() { |
| return BuilderHelper.link(CONFIG_INSTANCE_LISTENER_IMPL). |
| to(InstanceLifecycleListener.class.getName()). |
| in(Singleton.class.getName()).build(); |
| } |
| |
| private static boolean addIfNotThere(ServiceLocator locator, DynamicConfiguration config, DescriptorImpl desc, HK2Loader loader) { |
| IndexedFilter filter = BuilderHelper.createContractFilter(desc.getImplementation()); |
| if (locator.getBestDescriptor(filter) != null) return false; |
| |
| if (loader != null) { |
| desc.setLoader(loader); |
| } |
| config.bind(desc); |
| return true; |
| } |
| |
| } |