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/*******************************************************************************
* Copyright (c) 2009, 2011 Andrew Gvozdev and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Andrew Gvozdev - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.language.settings.providers;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.internal.core.LocalProjectScope;
import org.eclipse.cdt.internal.core.language.settings.providers.LanguageSettingsExtensionManager;
import org.eclipse.cdt.internal.core.language.settings.providers.LanguageSettingsProvidersSerializer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.osgi.service.prefs.BackingStoreException;
import org.osgi.service.prefs.Preferences;
/**
* Collection of utilities for legacy support of older Scanner Discovery functionality.
* This class is temporary and not intended to be used by clients.
*
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*
* @since 5.4
*/
public class ScannerDiscoveryLegacySupport {
/** ID of User language settings provider (from org.eclipse.cdt.ui) */
public static final String USER_LANGUAGE_SETTINGS_PROVIDER_ID = "org.eclipse.cdt.ui.UserLanguageSettingsProvider"; //$NON-NLS-1$
/** ID of MBS language settings provider (from org.eclipse.cdt.managedbuilder.core) */
public static final String MBS_LANGUAGE_SETTINGS_PROVIDER_ID = "org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider"; //$NON-NLS-1$
private static String USE_LANGUAGE_SETTINGS_PROVIDERS_PREFERENCE = "enabled"; //$NON-NLS-1$
// the default needs to be "false" for legacy projects to be open with old SD enabled for MBS provider
private static boolean USE_LANGUAGE_SETTINGS_PROVIDERS_DEFAULT = false;
private static final String PREFERENCES_QUALIFIER = CCorePlugin.PLUGIN_ID;
private static final String LANGUAGE_SETTINGS_PROVIDERS_NODE = "languageSettingsProviders"; //$NON-NLS-1$
private static Preferences getPreferences(IProject project) {
if (project == null)
return InstanceScope.INSTANCE.getNode(PREFERENCES_QUALIFIER).node(LANGUAGE_SETTINGS_PROVIDERS_NODE);
else
return new LocalProjectScope(project).getNode(PREFERENCES_QUALIFIER).node(LANGUAGE_SETTINGS_PROVIDERS_NODE);
}
/**
* Checks if Language Settings functionality is enabled for given project.
*
* @param project - project to check the preference
* @return {@code true} if functionality is enabled
*
* @noreference This method is temporary and not intended to be referenced by clients.
*/
public static boolean isLanguageSettingsProvidersFunctionalityEnabled(IProject project) {
Preferences pref = getPreferences(project);
return pref.getBoolean(USE_LANGUAGE_SETTINGS_PROVIDERS_PREFERENCE, USE_LANGUAGE_SETTINGS_PROVIDERS_DEFAULT);
}
/**
* Enable/disable Language Settings functionality for the given project.
*
* @param project
* @param value {@code true} to enable or {@code false} to disable the functionality.
*
* @noreference This method is temporary and not intended to be referenced by clients.
*/
public static void setLanguageSettingsProvidersFunctionalityEnabled(IProject project, boolean value) {
Preferences pref = getPreferences(project);
pref.putBoolean(USE_LANGUAGE_SETTINGS_PROVIDERS_PREFERENCE, value);
try {
pref.flush();
} catch (BackingStoreException e) {
CCorePlugin.log(e);
}
}
/**
* Return list containing MBS and User provider. Used to initialize for unaware tool-chains (backward compatibility).
*/
public static List<ILanguageSettingsProvider> getDefaultProvidersLegacy() {
List<ILanguageSettingsProvider> providers = new ArrayList<ILanguageSettingsProvider>(2);
ILanguageSettingsProvider provider = LanguageSettingsExtensionManager.getExtensionProviderCopy((ScannerDiscoveryLegacySupport.USER_LANGUAGE_SETTINGS_PROVIDER_ID), false);
if (provider != null) {
providers.add(provider);
}
providers.add(LanguageSettingsProvidersSerializer.getWorkspaceProvider(ScannerDiscoveryLegacySupport.MBS_LANGUAGE_SETTINGS_PROVIDER_ID));
return providers;
}
}
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