| /******************************************************************************* |
| * Copyright (c) 2003, 2017 IBM Corporation and others. |
| * |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.update.configurator; |
| |
| import java.io.*; |
| import java.net.*; |
| |
| import org.eclipse.update.internal.configurator.ConfigurationActivator; |
| import org.eclipse.update.internal.configurator.Utils; |
| import org.osgi.framework.*; |
| |
| /** |
| * Helper class to get platform configuration data without having to |
| * use BootLoader methods from the compatibility layer. |
| * <p> |
| * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| * </p> |
| * @since 3.0 |
| * @deprecated The org.eclipse.update component has been replaced by Equinox p2. |
| * This API will be deleted in a future release. See bug 311590 for details. |
| */ |
| @Deprecated |
| public class ConfiguratorUtils { |
| /** |
| * Returns the current platform configuration. This method replaces the one we used |
| * to call on BootLoader. |
| * |
| * @return platform configuration used in current instance of platform |
| * @since 3.0 |
| */ |
| public static IPlatformConfiguration getCurrentPlatformConfiguration() { |
| // acquire factory service first |
| BundleContext context = ConfigurationActivator.getBundleContext(); |
| ServiceReference<IPlatformConfigurationFactory> configFactorySR = context.getServiceReference(IPlatformConfigurationFactory.class); |
| if (configFactorySR == null) |
| throw new IllegalStateException(); |
| IPlatformConfigurationFactory configFactory = context.getService(configFactorySR); |
| if (configFactory == null) |
| throw new IllegalStateException(); |
| // get the configuration using the factory |
| IPlatformConfiguration currentConfig = configFactory.getCurrentPlatformConfiguration(); |
| context.ungetService(configFactorySR); |
| return currentConfig; |
| } |
| |
| /** |
| * Returns a platform configuration object, optionally initialized with previously saved |
| * configuration information. We will use this method instead of the old one in BootLoader. |
| * |
| * @param url location of previously save configuration information. If <code>null</code> |
| * is specified, an empty configuration object is returned |
| * @return platform configuration used in current instance of platform |
| */ |
| public static IPlatformConfiguration getPlatformConfiguration(URL url) throws IOException { |
| // acquire factory service first |
| BundleContext context = ConfigurationActivator.getBundleContext(); |
| ServiceReference<IPlatformConfigurationFactory> configFactorySR = context.getServiceReference(IPlatformConfigurationFactory.class); |
| if (configFactorySR == null) |
| throw new IllegalStateException(); |
| IPlatformConfigurationFactory configFactory = context.getService(configFactorySR); |
| if (configFactory == null) |
| throw new IllegalStateException(); |
| // get the configuration using the factory |
| IPlatformConfiguration config = configFactory.getPlatformConfiguration(url); |
| context.ungetService(configFactorySR); |
| return config; |
| } |
| |
| /** |
| * Returns a platform configuration object, optionally initialized with previously saved |
| * configuration information. We will use this method instead of the old one in BootLoader. |
| * |
| * @param url location of previously save configuration information. If <code>null</code> |
| * is specified, an empty configuration object is returned |
| * @param loc location of the platform installation. Used to resolve entries in the save location |
| * @return platform configuration used in current instance of platform |
| */ |
| public static IPlatformConfiguration getPlatformConfiguration(URL url, URL loc) throws IOException { |
| // acquire factory service first |
| BundleContext context = ConfigurationActivator.getBundleContext(); |
| ServiceReference<IPlatformConfigurationFactory> configFactorySR = context.getServiceReference(IPlatformConfigurationFactory.class); |
| if (configFactorySR == null) |
| throw new IllegalStateException(); |
| IPlatformConfigurationFactory configFactory = context.getService(configFactorySR); |
| if (configFactory == null) |
| throw new IllegalStateException(); |
| // get the configuration using the factory |
| IPlatformConfiguration config = configFactory.getPlatformConfiguration(url, loc); |
| context.ungetService(configFactorySR); |
| return config; |
| } |
| |
| /** |
| * @return the URL of this eclispe installation |
| */ |
| public static URL getInstallURL() { |
| return Utils.getInstallURL(); |
| } |
| } |