platform/platform-impl/src/com/intellij/ui/LicensingFacade.java

/*
 * Copyright 2000-2011 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.ui;

import org.jetbrains.annotations.Nullable;

import java.util.Date;
import java.util.List;

/**
 * @author yole
 */
public abstract class LicensingFacade {
  public static LicensingFacade ourInstance;

  @Nullable
  public static LicensingFacade getInstance() {
    return ourInstance;
  }

  public abstract String getLicensedToMessage();
  public abstract List<String> getLicenseRestrictionsMessages();
  public abstract boolean isEvaluationLicense();
  public abstract boolean isSubscriptionLicense();

  @Nullable
  public abstract Boolean isPaidUpgrade(int majorVersion, Date releaseDate);
  public abstract String getUpgradeUrl();
}