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/*******************************************************************************
* Copyright (c) 2007, 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
* Genuitec, LLC - added license support
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.sdk;
import java.util.HashSet;
import java.util.StringTokenizer;
import org.eclipse.equinox.internal.p2.ui.sdk.prefs.PreferenceConstants;
import org.eclipse.equinox.p2.core.IAgentLocation;
import org.eclipse.equinox.p2.engine.IProfileRegistry;
import org.eclipse.equinox.p2.engine.ProfileScope;
import org.eclipse.equinox.p2.metadata.ILicense;
import org.eclipse.equinox.p2.ui.LicenseManager;
import org.osgi.service.prefs.Preferences;
/**
* SimpleLicenseManager is a license manager that keeps track of
* IInstallableUnit licenses using their UUID. The licenses ids
* are stored in the profile's preferences.
*
* @since 3.6
*/
public class SimpleLicenseManager extends LicenseManager {
java.util.Set<String> accepted = new HashSet<>();
String profileId;
public SimpleLicenseManager(String profileId) {
super();
this.profileId = profileId;
initializeFromPreferences();
}
public SimpleLicenseManager() {
this(IProfileRegistry.SELF);
}
@Override
public boolean accept(ILicense license) {
accepted.add(license.getUUID());
updatePreferences();
return true;
}
@Override
public boolean reject(ILicense license) {
accepted.remove(license.getUUID());
updatePreferences();
return true;
}
@Override
public boolean isAccepted(ILicense license) {
return accepted.contains(license.getUUID());
}
@Override
public boolean hasAcceptedLicenses() {
return !accepted.isEmpty();
}
private Preferences getPreferences() {
IAgentLocation location = ProvSDKUIActivator.getDefault().getProvisioningAgent()
.getService(IAgentLocation.class);
return new ProfileScope(location, profileId).getNode(ProvSDKUIActivator.PLUGIN_ID);
}
private void initializeFromPreferences() {
Preferences pref = getPreferences();
if (pref != null) {
String digestList = pref.get(PreferenceConstants.PREF_LICENSE_DIGESTS, ""); //$NON-NLS-1$
StringTokenizer tokenizer = new StringTokenizer(digestList, ","); //$NON-NLS-1$
while (tokenizer.hasMoreTokens()) {
accepted.add(tokenizer.nextToken().trim());
}
}
}
private void updatePreferences() {
Preferences pref = getPreferences();
StringBuilder result = new StringBuilder();
Object[] indexedList = accepted.toArray();
for (int i = 0; i < indexedList.length; i++) {
if (i != 0)
result.append(","); //$NON-NLS-1$
result.append((String) indexedList[i]);
}
pref.put(PreferenceConstants.PREF_LICENSE_DIGESTS, result.toString());
}
}
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