org.eolang.maven.util.FileHash Maven / Gradle / Ivy
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/*
* The MIT License (MIT)
*
* Copyright (c) 2016-2024 Objectionary.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.eolang.maven.util;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import org.cactoos.bytes.BytesOf;
import org.cactoos.bytes.Md5DigestOf;
import org.cactoos.bytes.UncheckedBytes;
import org.cactoos.io.InputOf;
/**
* MD5 hash of a file (its content).
*
* @since 0.24
*/
public final class FileHash {
/**
* The file.
*/
private final Path file;
/**
* Ctor.
* @param path The name of the file
*/
public FileHash(final Path path) {
this.file = path;
}
@Override
public String toString() {
final String hash;
if (Files.exists(this.file)) {
hash = Arrays.toString(
new UncheckedBytes(
new Md5DigestOf(new InputOf(new BytesOf(this.file)))
).asBytes()
);
} else {
hash = "";
}
return hash;
}
}