| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.kerby.kerberos.kerb.preauth.pkinit; |
| |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.InputStream; |
| import java.security.cert.Certificate; |
| import java.security.cert.CertificateException; |
| import java.security.cert.CertificateFactory; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| public class CertificateHelper { |
| |
| |
| public static List<Certificate> loadCerts(String filename) throws KrbException { |
| InputStream res = null; |
| try { |
| res = new FileInputStream(filename); |
| } catch (FileNotFoundException e) { |
| e.printStackTrace(); |
| } |
| return loadCerts(res); |
| } |
| |
| public static List<Certificate> loadCerts(InputStream inputStream) throws KrbException { |
| CertificateFactory certFactory = null; |
| try { |
| certFactory = CertificateFactory.getInstance("X.509"); |
| Collection<? extends Certificate> certs = (Collection<? extends Certificate>) |
| certFactory.generateCertificates(inputStream); |
| return new ArrayList<Certificate>(certs); |
| } catch (CertificateException e) { |
| throw new KrbException("Failed to load certificates", e); |
| } |
| } |
| } |