【fix sonar】oConvertUtils文件

jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/oConvertUtils.java

@@ -2,6 +2,7 @@ package com.jero.common.util;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.io.IOUtils;
+import org.apache.poi.ss.formula.functions.T;
 import org.springframework.beans.BeanUtils;
 
 import javax.servlet.http.HttpServletRequest;
@@ -15,12 +16,11 @@ import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.net.UnknownHostException;
+import java.nio.charset.StandardCharsets;
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.sql.Date;
 import java.util.*;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 /**
  *
@@ -54,14 +54,13 @@ public class oConvertUtils {
 	}
 
 	public static String decode(String strIn, String sourceCode, String targetCode) {
-		String temp = code2code(strIn, sourceCode, targetCode);
-		return temp;
+		return code2code(strIn, sourceCode, targetCode);
 	}
 
 	public static String StrToUTF() {
 		String strIn = "";
 		try {
-			strIn = new String(strIn.getBytes("ISO-8859-1"), "GBK");
+			strIn = new String(strIn.getBytes(StandardCharsets.ISO_8859_1), "GBK");
 		} catch (UnsupportedEncodingException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
@@ -148,14 +147,6 @@ public class oConvertUtils {
 		return s;
 	}
 
-	/*public static Short getShort(String s) {
-		if (StringUtil.isNotEmpty(s)) {
-			return (Short.parseShort(s));
-		} else {
-			return null;
-		}
-	}*/
-
 	public static int getInt(Object object, int defval) {
 		if (isEmpty(object)) {
 			return (defval);
@@ -202,15 +193,6 @@ public class oConvertUtils {
 		return (getString(s, ""));
 	}
 
-	/**
-	 * 转义成Unicode编码
-	 * @param s
-	 * @return
-	 */
-	/*public static String escapeJava(Object s) {
-		return StringEscapeUtils.escapeJava(getString(s));
-	}*/
-
 	public static String getString(Object object) {
 		if (isEmpty(object)) {
 			return "";
@@ -338,9 +320,9 @@ public class oConvertUtils {
 	public static String replaceBlank(String str) {
 		String dest = "";
 		if (str != null) {
-			Pattern p = Pattern.compile("\\s*|\t|\r|\n");
-			Matcher m = p.matcher(str);
-			dest = m.replaceAll("");
+			dest = str.replace("\\s*","").replace(" ","")
+					.replace("\\t","").replace("\\r","")
+					.replace("\\n","");
 		}
 		return dest;
 
@@ -370,7 +352,7 @@ public class oConvertUtils {
 	 * 获取Map对象
 	 */
 	public static Map<Object, Object> getHashMap() {
-		return new HashMap<Object, Object>();
+		return new HashMap<>();
 	}
 
 	/**
@@ -381,7 +363,7 @@ public class oConvertUtils {
 	 */
 	public static Map<Object, Object> SetToMap(Set<Object> setobj) {
 		Map<Object, Object> map = getHashMap();
-		for (Iterator iterator = setobj.iterator(); iterator.hasNext();) {
+		for (Iterator<Object> iterator = setobj.iterator(); iterator.hasNext();) {
 			Map.Entry<Object, Object> entry = (Map.Entry<Object, Object>) iterator.next();
 			map.put(entry.getKey().toString(), entry.getValue() == null ? "" : entry.getValue().toString().trim());
 		}
@@ -412,8 +394,7 @@ public class oConvertUtils {
 		long c = Integer.parseInt(ip[2]);
 		long d = Integer.parseInt(ip[3]);
 
-		long ipNum = a * 256 * 256 * 256 + b * 256 * 256 + c * 256 + d;
-		return ipNum;
+		return a * 256 * 256 * 256 + b * 256 * 256 + c * 256 + d;
 	}
 
 	private static boolean isInner(long userIp, long begin, long end) {
@@ -443,7 +424,7 @@ public class oConvertUtils {
 			//update-end--Author:zhoujf  Date:20180503 for：TASK #2500 【代码生成器】代码生成器开发一通用模板生成功能
 		}
 		// 用下划线将原始字符串分割
-		String camels[] = name.split("_");
+		String[] camels = name.split("_");
 		for (String camel : camels) {
 			// 跳过原始字符串中开头、结尾的下换线或双重下划线
 			if (camel.isEmpty()) {
@@ -506,7 +487,7 @@ public class oConvertUtils {
 			return name.substring(0, 1).toUpperCase() + name.substring(1).toLowerCase();
 		}
 		// 用下划线将原始字符串分割
-		String camels[] = name.split("_");
+		String[] camels = name.split("_");
 		for (String camel : camels) {
 			// 跳过原始字符串中开头、结尾的下换线或双重下划线
 			if (camel.isEmpty()) {
@@ -646,8 +627,8 @@ public class oConvertUtils {
 	 * list == null		: true
 	 * list.size() == 0	: true
 	 */
-	public static boolean listIsEmpty(Collection list) {
-		return (list == null || list.size() == 0);
+	public static boolean listIsEmpty(Collection<T> list) {
+		return (list == null || list.isEmpty());
 	}
 
 	/**
@@ -658,7 +639,7 @@ public class oConvertUtils {
 	 * list == null		: false
 	 * list.size() == 0	: false
 	 */
-	public static boolean listIsNotEmpty(Collection list) {
+	public static boolean listIsNotEmpty(Collection<T> list) {
 		return !listIsEmpty(list);
 	}
 
@@ -672,7 +653,7 @@ public class oConvertUtils {
 		try {
 			//换个写法，解决springboot读取jar包中文件的问题
 			InputStream stream = oConvertUtils.class.getClassLoader().getResourceAsStream(url.replace("classpath:", ""));
-			json = IOUtils.toString(stream,"UTF-8");
+			json = IOUtils.toString(stream,StandardCharsets.UTF_8);
 		} catch (IOException e) {
 			log.error(e.getMessage(),e);
 		}