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1.优化代码

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2.fileutil优化
This commit is contained in:
maxf 2018-11-26 18:13:05 +08:00
parent 616eefc067
commit c85efeb4a6
13 changed files with 343 additions and 70 deletions
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10
src/main/java/com/yexuejc/base/encrypt/RSA.java
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@ -2,12 +2,12 @@ package com.yexuejc.base.encrypt;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.io.IOUtils;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import javax.crypto.Cipher;
import javax.crypto.NoSuchPaddingException;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.*;
import java.security.interfaces.RSAPrivateKey;
@ -18,7 +18,6 @@ import java.security.spec.X509EncodedKeySpec;
import java.util.HashMap;
import java.util.Map;
//import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;
/**
* RSA加解密 配置模式
@ -117,7 +116,7 @@ public class RSA {
publicKeyStr = Base64.encodeBase64String(publicKey.getEncoded());
privateKeyStr = Base64.encodeBase64String(privateKey.getEncoded());
}
Map<String, String> keyPairMap = new HashMap<String, String>();
Map<String, String> keyPairMap = new HashMap<String, String>(2);
keyPairMap.put("publicKey", publicKeyStr);
keyPairMap.put("privateKey", privateKeyStr);
@ -302,7 +301,10 @@ public class RSA {
throw new RuntimeException("加解密阀值为[" + maxBlock + "]的数据时发生异常", e);
}
byte[] resultDatas = out.toByteArray();
IOUtils.closeQuietly(out);
try {
out.close();
} catch (IOException e) {
}
return resultDatas;
}

11
src/main/java/com/yexuejc/base/encrypt/RSA2.java
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@ -16,6 +16,7 @@ import java.security.interfaces.RSAPublicKey;
/**
* RSA加解密 证书模式
* 依赖 {@link RSA}
*
* @ClassName: RSA2
* @Description:
* @author: maxf
@ -55,7 +56,15 @@ public class RSA2 {
*/
public static RSAPrivateKey getPrivateKey(String filepath, String alias, String password) throws NoSuchAlgorithmException, KeyStoreException, IOException, CertificateException, UnrecoverableKeyException {
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(new FileInputStream(filepath), password.toCharArray());
FileInputStream fileInputStream = null;
try {
fileInputStream = new FileInputStream(filepath);
ks.load(fileInputStream, password.toCharArray());
} finally {
if (fileInputStream != null) {
fileInputStream.close();
}
}
return (RSAPrivateKey) ks.getKey(alias, password.toCharArray());
}

8
src/main/java/com/yexuejc/base/encrypt/SignAlgorithm.java
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@ -2,8 +2,12 @@ package com.yexuejc.base.encrypt;
/**
* 签名算法类型
* 参考Hutool
* see: https://docs.oracle.com/javase/7/docs/technotes/guides/security/StandardNames.html#Signature
*
* @author maxf
* @ClassName SignAlgorithm
* @Description 签名算法类型 参考Hutool https://docs.oracle.com/javase/7/docs/technotes/guides/security/StandardNames.html#Signature
* @date 2018/11/26 10:25
* @see 1.0
*/
public enum SignAlgorithm {
// The RSA signature algorithm

12
src/main/java/com/yexuejc/base/util/AlgorithmUtil.java
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@ -77,7 +77,7 @@ public class AlgorithmUtil {
* @throw
*/
public static int x36ConvertTo10(String pStr) {
if (pStr == "") {
if (StrUtil.isEmpty(pStr)) {
return 0;
}
// 目标十进制数初始化为0
@ -117,12 +117,12 @@ public class AlgorithmUtil {
if (hexString == null || hexString.length() % 2 != 0) {
return null;
}
String bString = "", tmp;
StringBuffer buf = new StringBuffer();
for (int i = 0; i < hexString.length(); i++) {
tmp = "0000" + Integer.toBinaryString(Integer.parseInt(hexString.substring(i, i + 1), 16));
bString += tmp.substring(tmp.length() - 4);
String tmp = "0000" + Integer.toBinaryString(Integer.parseInt(hexString.substring(i, i + 1), 16));
buf.append(tmp.substring(tmp.length() - 4));
}
return bString;
return buf.toString();
}
/**
@ -132,7 +132,7 @@ public class AlgorithmUtil {
* @return
*/
public static byte[] hexStringToBytes(String hexString) {
if (hexString == null || hexString.equals("")) {
if (hexString == null || "".equals(hexString)) {
return null;
}
hexString = hexString.toUpperCase();

32
src/main/java/com/yexuejc/base/util/DateTimeUtil.java
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@ -109,9 +109,9 @@ public class DateTimeUtil {
* @return
*/
public static LocalDate getWeek4First(LocalDate date) {
TemporalAdjuster FIRST_OF_WEEK =
TemporalAdjusters.ofDateAdjuster(localDate -> localDate.minusDays(localDate.getDayOfWeek().getValue() - DayOfWeek.MONDAY.getValue()));
return date.with(FIRST_OF_WEEK);
TemporalAdjuster firstOfWeek = TemporalAdjusters.ofDateAdjuster(localDate ->
localDate.minusDays(localDate.getDayOfWeek().getValue() - DayOfWeek.MONDAY.getValue()));
return date.with(firstOfWeek);
}
/**
@ -130,9 +130,9 @@ public class DateTimeUtil {
* @return
*/
public static LocalDate getWeek4Last(LocalDate date) {
TemporalAdjuster LAST_OF_WEEK =
TemporalAdjusters.ofDateAdjuster(localDate -> localDate.plusDays(DayOfWeek.SUNDAY.getValue() - localDate.getDayOfWeek().getValue()));
return date.with(LAST_OF_WEEK);
TemporalAdjuster lastOfWeek = TemporalAdjusters.ofDateAdjuster(localDate ->
localDate.plusDays(DayOfWeek.SUNDAY.getValue() - localDate.getDayOfWeek().getValue()));
return date.with(lastOfWeek);
}
/**
@ -273,22 +273,22 @@ public class DateTimeUtil {
return df.format(dateTime);
}
public static void main(String[] args) {
// SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
// System.out.println(df.format(zonedDateTime2Date(ZonedDateTime.now())));
// System.out.println(df2.format(date2ZonedDateTime(new Date())));
/** public static void main(String[] args) {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
System.out.println(df.format(zonedDateTime2Date(ZonedDateTime.now())));
System.out.println(df2.format(date2ZonedDateTime(new Date())));
// System.out.println(getWeek4First());
System.out.println(getWeek4First());
System.out.println(format(getWeek4First(LocalDate.parse("2018-02-10")).atTime(LocalTime.MIN)));
System.out.println(format(getWeek4Last(LocalDate.parse("2018-02-10")).atTime(LocalTime.MAX)));
// System.out.println(format(getMonth4First().atTime(LocalTime.MIN)));
// System.out.println(format(getMonth4Last().atTime(LocalTime.MAX)));
System.out.println(format(getMonth4First().atTime(LocalTime.MIN)));
System.out.println(format(getMonth4Last().atTime(LocalTime.MAX)));
// System.out.println(format(getYear4First().atTime(LocalTime.MIN)));
// System.out.println(format(getYear4Last().atTime(LocalTime.MAX)));
System.out.println(format(getYear4First().atTime(LocalTime.MIN)));
System.out.println(format(getYear4Last().atTime(LocalTime.MAX)));
}
}*/
}

3
src/main/java/com/yexuejc/base/util/ExcelImportUtil.java
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@ -41,7 +41,8 @@ public class ExcelImportUtil {
* @return
*/
public static boolean validateExcel(String filePath) {
if (filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath))) {
boolean b = filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath));
if (b) {
return false;
}
return true;

262
src/main/java/com/yexuejc/base/util/FileUtil.java
View File

@ -1,9 +1,21 @@
package com.yexuejc.base.util;
import sun.misc.BASE64Encoder;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.math.BigInteger;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.zip.CRC32;
/**
* 文件工具类
*
* @author maxf:yexue
* @className FileUtil
* @description 工具类
@ -16,14 +28,31 @@ public class FileUtil {
private static final String TYPE_TAR_GZ = ".tar.gz";
private static final String TAR_GZ = "tar.gz";
public static String getFileType(String fileName) {
if (fileName.lastIndexOf(TYPE_TAR_GZ) > 0) {
return TAR_GZ;
/**
* 获取文件类型：不适合所有
* <p>
* 根据文件名称截取.后的文件格式
* </p>
*
* @param fileName
* @return
*/
public static String getFileType(String fileName) throws FileNotFoundException {
try {
if (fileName.lastIndexOf(TYPE_TAR_GZ) > 0) {
return TAR_GZ;
}
return fileName.substring(fileName.lastIndexOf(".") + 1);
} catch (Exception e) {
throw new FileNotFoundException("文件类型未能解析");
}
return fileName.substring(fileName.lastIndexOf(".") + 1);
}
// 判断文件是否存在
/**
* 判断文件是否存在
*
* @param file
*/
public static void judeFileExists(File file) {
if (file.exists()) {
@ -49,9 +78,10 @@ public class FileUtil {
* 4、File类的createTempFile方法创建临时文件，可以制定临时文件的文件名前缀、后缀及文件所在的目录，如果不指定目录，则存放在系统的临时文件夹下。
* 5、除mkdirs方法外，以上方法在创建文件和目录时，必须保证目标文件不存在，而且父目录存在，否则会创建失败
* </pre>
*
* @return 创建成功、失败
*/
public static void judeDirExists(File file) {
public static boolean judeDirExists(File file) {
if (file.exists()) {
if (file.isDirectory()) {
System.out.println("dir exists");
@ -60,9 +90,223 @@ public class FileUtil {
}
} else {
System.out.println("dir not exists, create it ...");
file.mkdirs();
return file.mkdirs();
}
return false;
}
/**
* 获取文件sha1
*
* @param file
* @return
*/
public static String sha1(File file) {
FileInputStream in = null;
try {
in = new FileInputStream(file);
MessageDigest digest = MessageDigest.getInstance("SHA-1");
byte[] buffer = new byte[1024 * 1024 * 10];
int len = 0;
while ((len = in.read(buffer)) > 0) {
digest.update(buffer, 0, len);
}
String sha1 = new BigInteger(1, digest.digest()).toString(16);
int length = 40 - sha1.length();
if (length > 0) {
for (int i = 0; i < length; i++) {
sha1 = "0" + sha1;
}
}
return sha1;
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
}
}
return null;
}
/***
* 计算SHA1码
*
* @return String 适用于上G大的文件
* @throws NoSuchAlgorithmException
* */
public static String sha1ByBigFile(File file) {
MessageDigest messagedigest = null;
try {
messagedigest = MessageDigest.getInstance("SHA-1");
FileInputStream in = new FileInputStream(file);
FileChannel ch = in.getChannel();
MappedByteBuffer byteBuffer = ch.map(FileChannel.MapMode.READ_ONLY, 0, file.length());
messagedigest.update(byteBuffer);
return StrUtil.toHex(messagedigest.digest());
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 文件md5
*
* @param file
* @return
*/
public static String md5(File file) {
FileInputStream in = null;
try {
in = new FileInputStream(file);
MessageDigest digest = MessageDigest.getInstance("MD5");
byte[] buffer = new byte[1024 * 1024 * 10];
int len = 0;
while ((len = in.read(buffer)) > 0) {
digest.update(buffer, 0, len);
}
String md5 = new BigInteger(1, digest.digest()).toString(16);
int length = 32 - md5.length();
if (length > 0) {
for (int i = 0; i < length; i++) {
md5 = "0" + md5;
}
}
return md5;
} catch (IOException e) {
System.out.println(e);
} catch (NoSuchAlgorithmException e) {
System.out.println(e);
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
System.out.println(e);
}
}
return null;
}
/**
* 对一个文件获取md5值
*
* @return md5串
* @throws NoSuchAlgorithmException
*/
public static String md5ByBigFile(File file) {
MessageDigest messagedigest = null;
try {
messagedigest = MessageDigest.getInstance("MD5");
FileInputStream in = new FileInputStream(file);
FileChannel ch = in.getChannel();
MappedByteBuffer byteBuffer = ch.map(FileChannel.MapMode.READ_ONLY, 0,
file.length());
messagedigest.update(byteBuffer);
return StrUtil.toHex(messagedigest.digest());
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取文件CRC32码
*
* @return String
*/
public static String crc32(File file) {
CRC32 crc32 = new CRC32();
// MessageDigest.get
FileInputStream fileInputStream = null;
try {
fileInputStream = new FileInputStream(file);
byte[] buffer = new byte[8192];
int length;
while ((length = fileInputStream.read(buffer)) != -1) {
crc32.update(buffer, 0, length);
}
return crc32.getValue() + "";
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} catch (IOException e) {
e.printStackTrace();
return null;
} finally {
try {
if (fileInputStream != null) {
fileInputStream.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 获取文件base64
*
* @param file
* @return
*/
public static String base64(File file) {
FileInputStream fileInputStream = null;
byte[] data = null;
// 读取图片字节数组
try {
fileInputStream = new FileInputStream(file);
data = new byte[fileInputStream.available()];
fileInputStream.read(data);
fileInputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
// 对字节数组Base64编码
BASE64Encoder encoder = new BASE64Encoder();
return encoder.encode(data);
}
/* public static void main(String[] args) {
String s1 = base64(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
System.out.println(s1);
String s = sha1(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
String s2 = sha1ByBigFile(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
System.out.println(s);
System.out.println(s2);
String md5 = md5(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
String md52 = md5ByBigFile(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
System.out.println(md5);
System.out.println(md52);
String crc32 = crc32(new File("C:\\Users\\Administrator\\Desktop\\a.html"));
System.out.println(crc32);
}*/
}

10
src/main/java/com/yexuejc/base/util/IdcardValidator.java
View File

@ -47,7 +47,7 @@ public class IdcardValidator {
/**
* 每位加权因子
*/
private static int power[] = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
private static int[] power = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
/**
* 验证所有的身份证的合法性
@ -167,9 +167,9 @@ public class IdcardValidator {
// 获取第18位
String idcard18Code = idcard.substring(17, 18);
char c[] = idcard17.toCharArray();
char[] c = idcard17.toCharArray();
int bit[] = converCharToInt(c);
int[] bit = converCharToInt(c);
int sum17 = 0;
@ -290,11 +290,11 @@ public class IdcardValidator {
String idcard17 = idcard.substring(0, 6) + year + idcard.substring(8);
char c[] = idcard17.toCharArray();
char[] c = idcard17.toCharArray();
String checkCode = "";
// 将字符数组转为整型数组
int bit[] = converCharToInt(c);
int[] bit = converCharToInt(c);
int sum17 = 0;
sum17 = getPowerSum(bit);

12
src/main/java/com/yexuejc/base/util/ImgUtil.java
View File

@ -310,8 +310,16 @@ public class ImgUtil {
* @throws IOException
*/
public static byte[] byteImage(String imgUrl) throws IOException {
FileInputStream fis = new FileInputStream(imgUrl);
byte[] rs = new byte[fis.available()];
byte[] rs;
FileInputStream fis = null;
try {
fis = new FileInputStream(imgUrl);
rs = new byte[fis.available()];
} finally {
if (fis != null) {
fis.close();
}
}
return rs;
}

20
src/main/java/com/yexuejc/base/util/MapRemoveNullUtil.java
View File

@ -3,7 +3,6 @@ package com.yexuejc.base.util;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
/**
* map相关工具
@ -36,10 +35,11 @@ public class MapRemoveNullUtil {
* @return
*/
public static Map removeNullKey(Map map) {
Set set = map.keySet();
for (Iterator iterator = set.iterator(); iterator.hasNext(); ) {
Object obj = (Object) iterator.next();
remove(obj, iterator);
for (Iterator it = map.entrySet().iterator(); it.hasNext(); ) {
Map.Entry item = (Map.Entry) it.next();
if (StrUtil.isEmpty(item.getKey())) {
it.remove();
}
}
return map;
}
@ -51,11 +51,11 @@ public class MapRemoveNullUtil {
* @return
*/
public static Map removeNullValue(Map map) {
Set set = map.keySet();
for (Iterator iterator = set.iterator(); iterator.hasNext(); ) {
Object obj = (Object) iterator.next();
Object value = (Object) map.get(obj);
remove(value, iterator);
for (Iterator it = map.entrySet().iterator(); it.hasNext(); ) {
Map.Entry item = (Map.Entry) it.next();
if (StrUtil.isEmpty(item.getValue())) {
it.remove();
}
}
return map;
}

20
src/main/java/com/yexuejc/base/util/StrUtil.java
View File

@ -126,7 +126,7 @@ public final class StrUtil {
return null;
}
Map<String, String> map = new HashMap<String, String>();
Map<String, String> map = new HashMap<String, String>(16);
String[] kv = null;
for (String entry : entrys) {
if (isEmpty(entry)) {
@ -151,7 +151,7 @@ public final class StrUtil {
* @param buf 初始字节数组
* @return 转换后字符串
*/
public static String toHex(byte buf[]) {
public static String toHex(byte[] buf) {
StringBuffer strbuf = new StringBuffer(buf.length * 2);
int i;
for (i = 0; i < buf.length; i++) {
@ -181,7 +181,7 @@ public final class StrUtil {
return null;
}
md.update(str.getBytes());
byte tmp[] = md.digest();
byte[] tmp = md.digest();
return toHex(tmp);
}
@ -215,7 +215,7 @@ public final class StrUtil {
return null;
}
messageDigest.update(str.getBytes());
byte tmp[] = messageDigest.digest();
byte[] tmp = messageDigest.digest();
return toHex(tmp);
}
@ -241,8 +241,9 @@ public final class StrUtil {
* @param str
* @return
*/
private static Pattern pattern = Pattern.compile("[0-9]*");
public static boolean isNumeric(String str) {
Pattern pattern = Pattern.compile("[0-9]*");
Matcher isNum = pattern.matcher(str);
if (!isNum.matches()) {
return false;
@ -262,16 +263,17 @@ public final class StrUtil {
}
StringBuilder coded = new StringBuilder();
Random random = new Random();
for (int i = 0; i < 13; i++) {
coded.append(HEX_CHAR[(int) (Math.random() * 15L) + 1]);
coded.append(HEX_CHAR[random.nextInt(16)]);
}
coded.append(id.substring(0, 11));
for (int i = 0; i < 7; i++) {
coded.append(HEX_CHAR[(int) (Math.random() * 15L) + 1]);
coded.append(HEX_CHAR[random.nextInt(16)]);
}
coded.append(id.substring(11));
for (int i = 0; i < 12; i++) {
coded.append(HEX_CHAR[(int) (Math.random() * 15L) + 1]);
coded.append(HEX_CHAR[random.nextInt(16)]);
}
return coded.toString();
@ -338,7 +340,7 @@ public final class StrUtil {
* @return
*/
public static Map<String, Object> mapSort(Map<String, ?> sortedParams) {
Map<String, Object> map = new HashMap<>();
Map<String, Object> map = new HashMap<>(16);
List<String> keys = new ArrayList<>(sortedParams.keySet());
Collections.sort(keys);
int index = 0;

5
src/main/java/com/yexuejc/base/util/SysUtil.java
View File

@ -71,9 +71,12 @@ public class SysUtil {
}
/**
* 异步执行代码块
* 异步执行接口
*/
public interface ThreadRun {
/**
* 执行代码块
*/
void execute();
}
}

8
src/main/java/com/yexuejc/base/util/ThreeDES.java
View File

@ -23,8 +23,8 @@ public class ThreeDES {
private ThreeDES() {
}
private static final String IV = "1234567-";
private final static String encoding = "utf-8";
public static String IV = "1234567-";
public static String ENCODING = "utf-8";
/**
* DESCBC加密
@ -46,7 +46,7 @@ public class ThreeDES {
Cipher cipher = Cipher.getInstance("desede/CBC/PKCS5Padding");
IvParameterSpec ips = new IvParameterSpec(IV.getBytes());
cipher.init(Cipher.ENCRYPT_MODE, deskey, ips);
byte[] encryptData = cipher.doFinal(src.getBytes(encoding));
byte[] encryptData = cipher.doFinal(src.getBytes(ENCODING));
return Base64.encodeBase64URLSafeString(encryptData);
}
@ -72,7 +72,7 @@ public class ThreeDES {
byte[] decryptData = cipher.doFinal(Base64.decodeBase64(src));
return new String(decryptData, encoding);
return new String(decryptData, ENCODING);
}
/**