package com.se.system.utils;
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import javax.crypto.Cipher;
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import javax.crypto.spec.SecretKeySpec;
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import java.security.MessageDigest;
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import java.util.*;
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@SuppressWarnings("ALL")
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public class CommonUtils {
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public CommonUtils(String str) {
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//
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}
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public CommonUtils() {
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}
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private static final String key = "Secret_Ke?y_02_95";
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public static String validStringValue(Object object) {
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return object == null ? "" : object.toString();
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}
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public static int validIntValue(Object object) {
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return object == null ? 0 : Integer.valueOf(object.toString());
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}
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public static long validLongValue(Object object) {
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return object == null ? 0L : Long.valueOf(object.toString());
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}
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public static boolean isNotEmpty(Object object) {
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if (object == null) {
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return false;
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} else if (object instanceof Integer) {
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return Integer.valueOf(object.toString()) > 0;
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} else if (object instanceof Long) {
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return Long.valueOf(object.toString()) > 0L;
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} else if (object instanceof String) {
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return ((String) object).trim().length() > 0;
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} else if (object instanceof StringBuffer) {
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return ((StringBuffer) object).toString().trim().length() > 0;
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} else if (object instanceof Boolean) {
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return Boolean.valueOf(object.toString());
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} else if (object instanceof List) {
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return ((List) object).size() > 0;
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} else if (object instanceof Set) {
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return ((Set) object).size() > 0;
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} else if (object instanceof Map) {
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return ((Map) object).size() > 0;
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} else if (object instanceof Iterator) {
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return ((Iterator) object).hasNext();
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} else if (object.getClass().isArray()) {
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return Arrays.asList(object).size() > 0;
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} else {
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return true;
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}
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}
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public static boolean isEmpty(Object object) {
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if (object == null) {
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return true;
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} else if (object instanceof Integer) {
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return Integer.valueOf(object.toString()) == 0;
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} else if (object instanceof Long) {
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return Long.valueOf(object.toString()) == 0L;
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} else if (object instanceof String) {
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return ((String) object).trim().length() == 0;
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} else if (object instanceof StringBuffer) {
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return ((StringBuffer) object).toString().trim().length() == 0;
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} else if (object instanceof Boolean) {
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return Boolean.valueOf(object.toString());
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} else if (object instanceof List) {
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return ((List) object).size() == 0;
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} else if (object instanceof Set) {
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return ((Set) object).size() == 0;
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} else if (object instanceof Map) {
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return ((Map) object).size() == 0;
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} else if (object instanceof Iterator) {
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return !((Iterator) object).hasNext();
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} else if (object.getClass().isArray()) {
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return Arrays.asList(object).size() == 0;
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} else {
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return false;
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}
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}
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public static List<Long> set2List(Set<Long> sets) {
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List<Long> list = new ArrayList();
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if (sets != null && sets.size() > 0) {
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Iterator var2 = sets.iterator();
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while (var2.hasNext()) {
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Object o = var2.next();
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Long id = Long.valueOf(o.toString());
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list.add(id);
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}
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return list;
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} else {
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return null;
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}
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}
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public static List<String> set2ListStr(Set<?> set) {
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ArrayList result = new ArrayList();
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try {
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if (set.size() > 0) {
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set.forEach((s) -> {
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result.add(s.toString());
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});
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}
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} catch (Exception var3) {
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System.err.println("HashSet转换失败");
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}
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return result;
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}
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public static Set<Long> list2Set(List<String> list) {
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HashSet result = new HashSet();
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try {
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if (list.size() > 0) {
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list.forEach((s) -> {
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result.add(Long.parseLong(s));
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});
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}
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} catch (Exception var3) {
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System.err.println("List转换失败");
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}
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return result;
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}
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public static Set<Long> hashSetToSet(HashSet<?> sets) {
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Set<Long> result = new HashSet();
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if (sets != null && sets.size() > 0) {
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Iterator var2 = sets.iterator();
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while (var2.hasNext()) {
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Object o = var2.next();
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Long id = Long.valueOf(o.toString());
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result.add(id);
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}
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return result;
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} else {
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return null;
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}
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}
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public static List<String> setToList(Set<?> set) {
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ArrayList result = new ArrayList();
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try {
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if (set.size() > 0) {
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set.forEach((s) -> {
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result.add(s.toString());
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});
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}
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} catch (Exception var3) {
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System.err.println("HashSet转换失败");
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}
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return result;
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}
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public static List<String> listToList(List<?> list) {
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ArrayList result = new ArrayList();
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try {
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if (list.size() > 0) {
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list.forEach((s) -> {
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result.add(s.toString());
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});
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}
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} catch (Exception var3) {
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System.err.println("List转换失败");
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}
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return result;
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}
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public static String listToString(List<String> list) {
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if (list == null) {
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return null;
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} else {
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String result = "";
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try {
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if (list.size() <= 0) {
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return result;
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}
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String s;
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for (Iterator var2 = list.iterator(); var2.hasNext(); result = result + s + ";") {
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s = (String) var2.next();
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}
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result = result.substring(0, result.length() - 1);
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} catch (Exception var4) {
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System.err.println("List转换失败");
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}
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return result;
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}
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}
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public static List<String> StringTolist(String str) {
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if (str != null && str.length() != 0) {
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ArrayList list = new ArrayList();
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try {
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String[] strs = str.substring(1, str.length() - 1).replaceAll("\"", "").split(",");
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String[] var3 = strs;
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int var4 = strs.length;
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for (int var5 = 0; var5 < var4; ++var5) {
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String result = var3[var5];
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list.add(result);
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}
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} catch (Exception var7) {
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System.err.println("List转换失败");
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}
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return list;
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} else {
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return null;
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}
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}
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public static String encrypt(String json) throws Exception {
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byte[] keyBytes = key.getBytes();
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MessageDigest sha = MessageDigest.getInstance("SHA-256");
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keyBytes = sha.digest(keyBytes);
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keyBytes = java.util.Arrays.copyOf(keyBytes, 16);
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SecretKeySpec secretKey = new SecretKeySpec(keyBytes, "AES");
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Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5PADDING");
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cipher.init(Cipher.ENCRYPT_MODE, secretKey);
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byte[] encryptedBytes = cipher.doFinal(json.getBytes());
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return Base64.getEncoder().encodeToString(encryptedBytes);
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}
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public static String decrypt(String encryptedJson) throws Exception {
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byte[] keyBytes = key.getBytes();
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MessageDigest sha = MessageDigest.getInstance("SHA-256");
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keyBytes = sha.digest(keyBytes);
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keyBytes = java.util.Arrays.copyOf(keyBytes, 16);
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SecretKeySpec secretKey = new SecretKeySpec(keyBytes, "AES");
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Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5PADDING");
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cipher.init(Cipher.DECRYPT_MODE, secretKey);
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byte[] encryptedBytes = Base64.getDecoder().decode(encryptedJson);
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byte[] decryptedBytes = cipher.doFinal(encryptedBytes);
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return new String(decryptedBytes);
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}
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public static void test() {
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Integer a = null;
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System.out.println(isNotEmpty(a));
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String str = "[\"11\",\"222\"]";
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List<String> list = StringTolist(str);
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System.out.println();
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}
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}
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