/*
 * Copyright 2003-2011 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 jetbrains.mps.util;

import java.net.URL;
import java.security.CodeSource;
import java.security.ProtectionDomain;
import java.security.cert.Certificate;

public class ProtectionDomainUtil {
  private static ProtectionDomain defaultDomain = null;

  /**
   * please use {@link #loadedClassDomain(URL url)} instead
   * @deprecated (since 3.2)
   */
  @Deprecated
  public static ProtectionDomain loadedClassDomain() {
    if (defaultDomain == null) {
      CodeSource cs = new CodeSource(null, (Certificate[]) null);
      defaultDomain = new ProtectionDomain(cs, null);
    }
    return defaultDomain;
  }

  public static ProtectionDomain loadedClassDomain(URL url) {
    CodeSource cs = new CodeSource(url, (Certificate[]) null);
    return new ProtectionDomain(cs, null);
  }
}
