suggestion improvement

Author: Parachuteuk

framework/src/main/java/org/tron/core/services/http/GetBlockByLatestNumServlet.java

@@ -23,7 +23,7 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) {
     try {
       boolean visible = Util.getVisible(request);
       long getNum = Long.parseLong(request.getParameter("num"));
-      writeRes(getNum, visible, response);
+      writeResponse(getNum, visible, response);
     } catch (Exception e) {
       Util.processError(e, response);
     }
@@ -38,13 +38,14 @@ protected void doPost(HttpServletRequest request, HttpServletResponse response)
       NumberMessage.Builder build = NumberMessage.newBuilder();
       JsonFormat.merge(input, build, visible);
       long getNum = build.getNum();
-      writeRes(getNum, visible, response);
+      writeResponse(getNum, visible, response);
     } catch (Exception e) {
       Util.processError(e, response);
     }
   }
 
-  private void writeRes(long getNum, boolean visible, HttpServletResponse response)
+  private void writeResponse(long getNum, boolean visible,
+                             HttpServletResponse response)
           throws Exception {
     if (getNum > 0 && getNum < BLOCK_LIMIT_NUM) {
       BlockList reply = wallet.getBlockByLatestNum(getNum);

framework/src/main/java/org/tron/core/services/http/GetBlockByLimitNextServlet.java

@@ -24,7 +24,7 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) {
       boolean visible = Util.getVisible(request);
       long startNum = Long.parseLong(request.getParameter("startNum"));
       long endNum = Long.parseLong(request.getParameter("endNum"));
-      writeRes(endNum, startNum, visible, response);
+      writeResponse(endNum, startNum, visible, response);
     } catch (Exception e) {
       Util.processError(e, response);
     }
@@ -40,13 +40,14 @@ protected void doPost(HttpServletRequest request, HttpServletResponse response)
       JsonFormat.merge(input, build, visible);
       long startNum = build.getStartNum();
       long endNum = build.getEndNum();
-      writeRes(endNum, startNum, visible, response);
+      writeResponse(endNum, startNum, visible, response);
     } catch (Exception e) {
       Util.processError(e, response);
     }
   }
 
-  private void writeRes(long endNum, long startNum, boolean visible, HttpServletResponse response)
+  private void writeResponse(long endNum, long startNum, boolean visible,
+                             HttpServletResponse response)
           throws Exception {
     if (endNum > 0 && endNum > startNum && endNum - startNum <= BLOCK_LIMIT_NUM) {
       BlockList reply = wallet.getBlocksByLimitNext(startNum, endNum - startNum);

framework/src/main/java/org/tron/core/services/http/Util.java

@@ -45,6 +45,7 @@
 import org.tron.protos.Protocol.Transaction.Contract.ContractType;
 import org.tron.protos.contract.SmartContractOuterClass.CreateSmartContract;
 
+
 @Slf4j(topic = "API")
 public class Util {
 
@@ -439,16 +440,15 @@ public static byte[] getAddress(HttpServletRequest request) throws Exception {
     byte[] address = null;
     String addressParam = "address";
     String addressStr = request.getParameter(addressParam);
-    if (org.apache.commons.lang3.StringUtils.isBlank(addressStr)) {
+    if (addressStr == null) {
       String input = request.getReader().lines()
               .collect(Collectors.joining(System.lineSeparator()));
       Util.checkBodySize(input);
       JSONObject jsonObject = JSONObject.parseObject(input);
       addressStr = jsonObject.getString(addressParam);
     }
-    if (org.apache.commons.lang3.StringUtils.isNotBlank(addressStr)) {
-      if (org.apache.commons.lang3.StringUtils.startsWith(addressStr,
-              Constant.ADD_PRE_FIX_STRING_MAINNET)) {
+    if (addressStr != null) {
+      if (addressStr.startsWith(Constant.ADD_PRE_FIX_STRING_MAINNET)) {
         address = Hex.decode(addressStr);
       } else {
         address = Wallet.decodeFromBase58Check(addressStr);