com.taotao.boot.dingtalk.utils.DingerUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2020-2030, Shuigedeng ([email protected] & https://blog.taotaocloud.top/).
*
* 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
*
* https://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.taotao.boot.dingtalk.utils;
import java.io.Closeable;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Arrays;
import java.util.Base64;
import java.util.List;
import java.util.UUID;
/**
* DingTalk Utils
*
* @author shuigedeng
* @version 2022.07
* @since 2022-07-06 15:26:26
*/
public class DingerUtils {
private DingerUtils() {}
/**
* base64ToByteArray
*
* @param key key
* @return result
*/
public static byte[] base64ToByteArray(String key) {
return Base64.getDecoder().decode(key);
}
/**
* byteArrayToBase64
*
* @param bytes bytes
* @return result
*/
public static String byteArrayToBase64(byte[] bytes) {
return new String(Base64.getEncoder().encode(bytes));
}
/**
* close
*
* @param x x
*/
public static void close(Closeable x) {
if (x == null) {
return;
}
try {
x.close();
} catch (Exception e) {
}
}
/**
* isEmpty
*
* @param str str
* @return true | false
*/
public static boolean isEmpty(String str) {
return (str == null || "".equals(str.trim()));
}
/**
* isNotEmpty
*
* @param str str
* @return true | false
*/
public static boolean isNotEmpty(String str) {
return !isEmpty(str);
}
/**
* replaceHeadTailLineBreak
*
* @param str str
* @return result
*/
public static String replaceHeadTailLineBreak(String str) {
String preRegex = "^(\\s*| | |\t)(\\S*)";
String suffixRegex = "(\\S*)(\\s*| | |\t)$";
String regex = "[\t| ]{2,}";
return str.replaceAll(preRegex, "$2").replaceAll(suffixRegex, "$1").replaceAll(regex, " ");
}
/**
* classPackageName
*
* @param className className
* @return packageName
*/
public static String classPackageName(String className) {
return className.substring(0, className.lastIndexOf("."));
}
/**
* generate uuid
*
* @return uuid {@link UUID}
*/
public static String uuid() {
return UUID.randomUUID().toString().replaceAll("-", "").toUpperCase();
}
/**
* 获取方法中参数的泛型的参数信息
*
* @param method method
* @param clazz clazz
* @return arr
*/
public static int[] methodParamsGenericType(Method method, Class clazz) {
Type[] genericParameterTypes = method.getGenericParameterTypes();
int length = genericParameterTypes.length;
int[] arr = new int[length];
for (int i = 0; i < length; i++) {
Type type = genericParameterTypes[i];
arr[i] = -1;
if (ParameterizedType.class.isInstance(type)) {
ParameterizedType parameterizedType = (ParameterizedType) type;
if (parameterizedType.getRawType() == List.class) {
Type actualTypeArgument = parameterizedType.getActualTypeArguments()[0];
if (actualTypeArgument == clazz) {
arr[i] = i;
}
}
}
}
return Arrays.stream(arr).filter(e -> e > -1).toArray();
}
/**
* 获取方法中参数的指定类型信息
*
* @param method method
* @param clazz clazz
* @return arr
*/
public static int[] methodParamsType(Method method, Class clazz) {
Class[] parameterTypes = method.getParameterTypes();
int length = parameterTypes.length;
int[] arr = new int[length];
for (int i = 0; i < length; i++) {
Class parameterType = parameterTypes[i];
if (parameterType.getName().equals(clazz.getName())) {
arr[i] = i;
} else {
arr[i] = -1;
}
}
return Arrays.stream(arr).filter(e -> e > -1).toArray();
}
}