[format] Fix formatting errors (#3380)

Signed-off-by: Nzhangyang <Git_Yang@163.com>

acl/src/main/java/org/apache/rocketmq/acl/common/AclUtils.java

@@ -23,7 +23,6 @@ import java.io.FileNotFoundException;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.PrintWriter;
-import java.util.ArrayList;
 import java.util.Map;
 import java.util.SortedMap;
 import org.apache.commons.lang3.StringUtils;
@@ -210,9 +209,9 @@ public class AclUtils {
         // expand netaddress
         int separatorCount = StringUtils.countMatches(netaddress, ":");
         int padCount = part - separatorCount;
-        if(padCount > 0){
+        if (padCount > 0) {
             StringBuilder padStr = new StringBuilder(":");
-            for(int i = 0; i < padCount; i++){
+            for (int i = 0; i < padCount; i++) {
                 padStr.append(":");
             }
             netaddress = StringUtils.replace(netaddress, "::", padStr.toString());
@@ -221,7 +220,7 @@ public class AclUtils {
         // pad netaddress
         String[] strArray = StringUtils.splitPreserveAllTokens(netaddress, ":");
         for (int i = 0; i < strArray.length; i++) {
-            if(strArray[i].length() < 4){
+            if (strArray[i].length() < 4) {
                 strArray[i] = StringUtils.leftPad(strArray[i], 4, '0');
             }
         }

example/src/main/java/org/apache/rocketmq/example/simple/PullConsumer.java

@@ -51,25 +51,26 @@ public class PullConsumer {
                 return new Thread(r, "PullConsumerThread");
             }
         });
-        for(String topic : consumer.getRegisterTopics()){
+        for (String topic : consumer.getRegisterTopics()) {
 
             executors.execute(new Runnable() {
 
-        		public void doSomething(List<MessageExt> msgs){
+                public void doSomething(List<MessageExt> msgs) {
                     //do you business
-        			System.out.println(msgs);
+
                 }
+
                 @Override
                 public void run() {
-					while(true){
+                    while (true) {
                         try {
                             Set<MessageQueue> messageQueues = consumer.fetchMessageQueuesInBalance(topic);
-							if(messageQueues == null || messageQueues.isEmpty()){
+                            if (messageQueues == null || messageQueues.isEmpty()) {
                                 Thread.sleep(1000);
                                 continue;
                             }
                             PullResult pullResult = null;
-							for(MessageQueue messageQueue : messageQueues){
+                            for (MessageQueue messageQueue : messageQueues) {
                                 try {
                                     long offset = this.consumeFromOffset(messageQueue);
                                     pullResult = consumer.pull(messageQueue, "*", offset, 32);
@@ -77,7 +78,7 @@ public class PullConsumer {
                                         case FOUND:
                                             List<MessageExt> msgs = pullResult.getMsgFoundList();
 
-			                        	if(msgs != null && !msgs.isEmpty()){
+                                            if (msgs != null && !msgs.isEmpty()) {
                                                 this.doSomething(msgs);
                                                 //update offset to broker
                                                 consumer.updateConsumeOffset(messageQueue, pullResult.getNextBeginOffset());
@@ -101,7 +102,7 @@ public class PullConsumer {
                                     e.printStackTrace();
                                 } catch (MQBrokerException e) {
                                     e.printStackTrace();
-								} catch (Exception e){
+                                } catch (Exception e) {
                                     e.printStackTrace();
                                 }
                             }
@@ -110,29 +111,30 @@ public class PullConsumer {
                             e.printStackTrace();
                         } catch (InterruptedException e) {
                             e.printStackTrace();
-						} catch (Exception e){
+                        } catch (Exception e) {
                             e.printStackTrace();
                         }
                     }
                 }
 
-				public long consumeFromOffset(MessageQueue messageQueue) throws MQClientException{
+                public long consumeFromOffset(MessageQueue messageQueue) throws MQClientException {
                     //-1 when started
                     long offset = consumer.getOffsetStore().readOffset(messageQueue, ReadOffsetType.READ_FROM_MEMORY);
-					if(offset < 0){
+                    if (offset < 0) {
                         //query from broker
                         offset = consumer.getOffsetStore().readOffset(messageQueue, ReadOffsetType.READ_FROM_STORE);
                     }
-                    if (offset < 0){
+                    if (offset < 0) {
                         //first time start from last offset
                         offset = consumer.maxOffset(messageQueue);
                     }
                     //make sure
-                    if (offset < 0){
+                    if (offset < 0) {
                         offset = 0;
                     }
                     return offset;
                 }
+
                 public void incPullTPS(String topic, int pullSize) {
                     consumer.getDefaultMQPullConsumerImpl().getRebalanceImpl().getmQClientFactory()
                             .getConsumerStatsManager().incPullTPS(consumer.getConsumerGroup(), topic, pullSize);