content: /*
   * Copyright (C) 2018 The Android Open Source Project
   *
   * 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 android.security.net.config;
  
  import java.io.File;
  
  /**
   * {@link CertificateSource} based on the system WFA CA store.
   * @hide
   */
  public final class WfaCertificateSource extends DirectoryCertificateSource {
      private static class NoPreloadHolder {
          private static final WfaCertificateSource INSTANCE = new WfaCertificateSource();
      }
  
      private WfaCertificateSource() {
          super(new File(System.getenv("ANDROID_ROOT") + "/etc/security/cacerts_wfa"));
      }
  
      public static WfaCertificateSource getInstance() {
          return NoPreloadHolder.INSTANCE;
      }
  
      @Override
      protected boolean isCertMarkedAsRemoved(String caFile) {
          return false;
      }
  }
  