/*
    * Copyright 2019-2021 the original author or authors.
    *
    * 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
    *
    *      https://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 nl.altindag.ssl.trustmanager;
  
  import java.security.KeyStore;
  import java.security.KeyStoreException;
  import java.security.cert.Certificate;
  import java.security.cert.X509Certificate;
  import java.util.ArrayList;
  import java.util.Enumeration;
  import java.util.List;
  
  /**
   * @author Hakan Altindag
   */
  public class KeyStoreTestUtils {
  
      static X509Certificate[] getTrustedX509Certificates(KeyStore trustStore) throws KeyStoreException {
          List<X509Certificate> certificates = new ArrayList<>();
          Enumeration<String> aliases = trustStore.aliases();
          while (aliases.hasMoreElements()) {
              Certificate certificate = trustStore.getCertificate(aliases.nextElement());
              if (certificate instanceof X509Certificate) {
                  certificates.add((X509Certificate) certificate);
              }
          }
  
          return certificates.toArray(new X509Certificate[0]);
      }
  
  }