1 /*============LICENSE_START=======================================================
2 * oom-truststore-merger
3 * ================================================================================
4 * Copyright (C) 2020 Nokia. All rights reserved.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END=========================================================
20 package org.onap.oom.truststoremerger.certification.file.model;
23 import java.io.FileOutputStream;
24 import java.nio.file.Files;
25 import java.util.List;
26 import org.onap.oom.truststoremerger.api.ExitableException;
27 import org.onap.oom.truststoremerger.certification.file.provider.entry.CertificateWithAlias;
28 import org.onap.oom.truststoremerger.certification.file.exception.CreateBackupException;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
32 public abstract class Truststore {
34 private static final Logger LOGGER = LoggerFactory.getLogger(Truststore.class);
35 private static final String BACKUP_EXTENSION = ".bak";
36 private final File file;
38 Truststore(File file) {
42 public abstract List<CertificateWithAlias> getCertificates() throws ExitableException;
44 public abstract void addCertificate(List<CertificateWithAlias> certificates) throws ExitableException;
46 public abstract void saveFile() throws ExitableException;
48 public File getFile() {
52 public void createBackup() throws CreateBackupException {
53 LOGGER.debug("Create backup of file: {}", file.getPath());
54 String backupFilePath = file.getAbsolutePath() + BACKUP_EXTENSION;
55 try (FileOutputStream fileOutputStream = new FileOutputStream(backupFilePath)) {
56 Files.copy(file.toPath(), fileOutputStream);
57 } catch (Exception e) {
58 LOGGER.error("Cannot create backup of file: {} ", getFile().getPath());
59 throw new CreateBackupException(e);