x

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

@@ -14,44 +14,42 @@ 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;
 	}
-	
+
 	public static Element getDataElement(String xml, String eName) {
 		Document doc = null;
 		Element el = null;
 		try {
-			doc = DocumentHelper.parseText(xml); 
+			doc = DocumentHelper.parseText(xml);
 			Element root = doc.getRootElement();
 			el = root.element(eName);
 		} catch (DocumentException e) {
-            e.printStackTrace();
-        }
+			e.printStackTrace();
+		}
 		return el;
 	}
-	
+
 	public static String join(String sign, String before, String after, String def, List<String> strs) {
 		return join(sign, before, after, def, strs.toArray(new String[strs.size()]));
 	}
-	
+
 	public static String join(String sign, String before, String after, String def, String[] strs) {
 		if (strs == null || strs.length == 0) {
 			return def == null ? "" : def;
@@ -59,30 +57,34 @@ 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);
 		}
 	}
-	
+
 	public static String join(String str, String sign, int count, String before, String after) {
 		if (str == null || count == 0) {
 			return "";
 		} 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);
 		}
 	}
-	
+
 	public static String format(Object no, String format) {
 		String strno = String.valueOf(no);
 		Integer index = format.length() - strno.length();
 		return format.substring(0, index) + strno;
 	}
-	
+
 	public static String readText(String path) throws IOException {
 		BufferedReader br = null;
 		try {