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/*
* Copyright (C) 2019 Bell Canada. All rights reserved.
*
* NOTICE: All the intellectual and technical concepts contained herein are
* proprietary to Bell Canada and are protected by trade secret or copyright law.
* Unauthorized copying of this file, via any medium is strictly prohibited.
*/
package org.onap.ccsdk.cds.sdclistener.util;
import static java.nio.file.Files.walk;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class FileUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(FileUtils.class);
private FileUtil() {
}
/**
* Delete the file.
*
* @param file - Given file
* @param path - Given path
*/
public static void deleteFile(File file, String path) {
boolean value = file.delete();
if (!value) {
LOGGER.error("Failed to delete the file {} at the location {}", file, path);
}
}
/**
* Extract files from the given path
*
* @param path where files reside.
* @return list of files.
*/
public static Optional<List<File>> getFilesFromDisk(Path path) {
try (Stream<Path> fileTree = walk(path)) {
// Get the list of files from the path
return Optional.of(fileTree.filter(Files::isRegularFile)
.map(Path::toFile)
.collect(Collectors.toList()));
} catch (IOException e) {
LOGGER.error("Failed to find the file due to", e);
}
return Optional.empty();
}
}
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