x

src/main/java/com/egolm/sso/util/StringUtil.java

@@ -14,22 +14,20 @@ import org.dom4j.Element;
 public class StringUtil {
 
 	public static Double toDouble(String value) {
-		Double res;
-		if(value==null||value.equals("")) {
-			res = 0.0;
-		}else {
-			res = Double.valueOf(value);
+		if (value == null || value.equals("")) {
+			return null;
+		} else {
+			return Double.valueOf(value);
 		}
-		return res;
 	}
 
 	public static String prependZero(int Num, int length) {
-		return prependZero(Num+"", length);
+		return prependZero(Num + "", length);
 	}
 
 	public static String prependZero(String Num, int length) {
 		String prepend = "";
-		for(int i=Num.length(); i<length; i++) {
+		for (int i = Num.length(); i < length; i++) {
 			prepend = prepend + "0";
 		}
 		return prepend + Num;
@@ -59,7 +57,9 @@ public class StringUtil {
 			StringBuffer sb = new StringBuffer("");
 			for (int i = 0; i < strs.length; i++) {
 				String str = String.valueOf(strs[i]);
-				sb.append((i == 0 && before != null) ? before : "").append(str == null ? "" : str).append(i < strs.length - 1 ? (sign == null ? "" : sign) : "").append((i == strs.length - 1 && after != null) ? after : "");
+				sb.append((i == 0 && before != null) ? before : "").append(str == null ? "" : str)
+						.append(i < strs.length - 1 ? (sign == null ? "" : sign) : "")
+						.append((i == strs.length - 1 && after != null) ? after : "");
 			}
 			return String.valueOf(sb);
 		}
@@ -71,7 +71,9 @@ public class StringUtil {
 		} else {
 			StringBuffer sb = new StringBuffer("");
 			for (int i = 0; i < count; i++) {
-				sb.append(i == 0 && before != null ? before : "").append(str).append(i < count - 1 ? (sign == null ? "" : sign) : "").append(i == count - 1 && after != null ? after : "");
+				sb.append(i == 0 && before != null ? before : "").append(str)
+						.append(i < count - 1 ? (sign == null ? "" : sign) : "")
+						.append(i == count - 1 && after != null ? after : "");
 			}
 			return String.valueOf(sb);
 		}