1 /*============LICENSE_START=======================================================
2 * oom-certservice-client
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.certservice.client.certification.writer;
22 import org.onap.oom.certservice.client.certification.exception.CertFileWriterException;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
27 import java.io.FileOutputStream;
28 import java.io.IOException;
29 import java.nio.file.Path;
31 public class CertFileWriter {
33 private static final Logger LOGGER = LoggerFactory.getLogger(CertFileWriter.class);
34 private final String destPath;
36 private CertFileWriter(String destPath) {
37 this.destPath = destPath;
40 public static CertFileWriter createWithDir(String destPath) {
41 createDirIfNotExists(destPath);
42 return new CertFileWriter(destPath);
45 public void saveData(byte[] data, String filename) throws CertFileWriterException {
46 LOGGER.debug("Attempt to save file {} in path {}", filename, destPath);
47 try (FileOutputStream outputStream = new FileOutputStream(Path.of(destPath, filename).toString())) {
48 outputStream.write(data);
49 } catch (IOException e) {
50 LOGGER.error("File creation failed, exception message: {}", e.getMessage());
51 throw new CertFileWriterException(e);
55 private static void createDirIfNotExists(String destPath) {
56 File destFolderPath = new File(destPath);
57 if (!destFolderPath.exists()) {
58 LOGGER.debug("Destination path not exists, subdirectories are created");
59 destFolderPath.mkdirs();