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.common;
23 import java.io.FileOutputStream;
24 import java.io.IOException;
25 import java.nio.file.Files;
26 import org.apache.commons.io.FileUtils;
27 import org.onap.oom.truststoremerger.merger.exception.CreateBackupException;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 public final class FileTools {
33 private static final Logger LOGGER = LoggerFactory.getLogger(FileTools.class);
34 private static final String BACKUP_EXTENSION = ".bak";
36 public void createBackup(File file) throws CreateBackupException {
37 LOGGER.debug("Try to create a backup of the file: {}", file.getPath());
38 File backupFile = new File(file.getAbsolutePath() + BACKUP_EXTENSION);
40 copy(file, backupFile);
41 } catch (IOException e) {
42 LOGGER.error("Could not create backup of the file: '{}'", file.getPath());
43 throw new CreateBackupException(e);
45 LOGGER.debug("Backup file created: '{}'", backupFile.getAbsolutePath());
48 public void copy(File source, File destination) throws IOException {
49 LOGGER.debug("Try to copy from '{}' to '{}'.", source.getAbsolutePath(), destination.getAbsolutePath());
50 FileUtils.copyFile(source, destination);
51 LOGGER.debug("File copied from '{}' to '{}'.", source.getAbsolutePath(),
52 destination.getAbsolutePath());