com.alibaba.nacos.common.utils.ByteUtils Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.nacos.common.utils;
import java.nio.charset.StandardCharsets;
/**
* ByteUtils.
*
* @author liaochuntao
*/
public final class ByteUtils {
private ByteUtils() {
}
public static final byte[] EMPTY = new byte[0];
/**
* String to byte array.
*
* @param input input string
* @return byte array of string
*/
public static byte[] toBytes(String input) {
if (input == null) {
return EMPTY;
}
return input.getBytes(StandardCharsets.UTF_8);
}
/**
* Object to byte array.
*
* @param obj input obj
* @return byte array of object
*/
public static byte[] toBytes(Object obj) {
if (obj == null) {
return EMPTY;
}
return toBytes(String.valueOf(obj));
}
/**
* Byte array to string.
*
* @param bytes byte array
* @return string
*/
public static String toString(byte[] bytes) {
if (bytes == null) {
return StringUtils.EMPTY;
}
return new String(bytes, StandardCharsets.UTF_8);
}
public static boolean isEmpty(byte[] data) {
return data == null || data.length == 0;
}
public static boolean isNotEmpty(byte[] data) {
return !isEmpty(data);
}
}