优化代码，增加日志

weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java

@@ -6,7 +6,7 @@ import java.util.Map;
 /**
  * 微信开发所使用到的常量类.
  *
- * @author chanjarster & binarywang
+ * @author Daniel Qian & binarywang
  */
 public class WxConsts {
   /**

weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxErrorExceptionHandler.java

@@ -4,6 +4,8 @@ import me.chanjar.weixin.common.error.WxErrorException;
 
 /**
  * WxErrorException处理器.
+ *
+ * @author Daniel Qian
  */
 public interface WxErrorExceptionHandler {
 

weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageDuplicateChecker.java

@@ -5,6 +5,8 @@ package me.chanjar.weixin.common.api;
  * 消息重复检查器.
  * 微信服务器在五秒内收不到响应会断掉连接，并且重新发起请求，总共重试三次
  * </pre>
+ *
+ * @author Daniel Qian
  */
 public interface WxMessageDuplicateChecker {
 

weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageInMemoryDuplicateChecker.java

@@ -9,6 +9,8 @@ import java.util.concurrent.atomic.AtomicBoolean;
  * 默认消息重复检查器.
  * 将每个消息id保存在内存里，每隔5秒清理已经过期的消息id，每个消息id的过期时间是15秒
  * </pre>
+ *
+ * @author Daniel Qian
  */
 public class WxMessageInMemoryDuplicateChecker implements WxMessageDuplicateChecker {
 

weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxAccessToken.java

@@ -1,10 +1,15 @@
 package me.chanjar.weixin.common.bean;
 
+import java.io.Serializable;
+
 import lombok.Data;
 import me.chanjar.weixin.common.util.json.WxGsonBuilder;
 
-import java.io.Serializable;
-
+/**
+ * access token.
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxAccessToken implements Serializable {
   private static final long serialVersionUID = 8709719312922168909L;

weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxJsapiSignature.java

@@ -1,16 +1,16 @@
 package me.chanjar.weixin.common.bean;
 
+import java.io.Serializable;
+
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
-import java.io.Serializable;
-
 /**
  * jspai signature.
  *
- * @author chanjarster
+ * @author Daniel Qian
  */
 @Data
 @Builder

weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuButton.java

@@ -10,6 +10,11 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import com.google.gson.annotations.SerializedName;
 import lombok.Data;
 
+/**
+ * menu button.
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxMenuButton implements Serializable {
   private static final long serialVersionUID = -1070939403109776555L;

weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuRule.java

@@ -8,6 +8,11 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import com.google.gson.annotations.SerializedName;
 import lombok.Data;
 
+/**
+ * menu rule.
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxMenuRule implements Serializable {
   private static final long serialVersionUID = -4587181819499286670L;

weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/result/WxMediaUploadResult.java

@@ -8,6 +8,10 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import lombok.Data;
 import me.chanjar.weixin.common.util.json.WxGsonBuilder;
 
+/**
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxMediaUploadResult implements Serializable {
   private static final long serialVersionUID = 330834334738622341L;

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSession.java

@@ -1,5 +1,9 @@
 package me.chanjar.weixin.common.session;
 
+/**
+ *
+ * @author Daniel Qian
+ */
 public interface InternalSession {
 
   /**

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSessionManager.java

@@ -1,5 +1,8 @@
 package me.chanjar.weixin.common.session;
 
+/**
+ * @author Daniel Qian
+ */
 public interface InternalSessionManager {
 
   /**

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSession.java

@@ -1,11 +1,18 @@
 package me.chanjar.weixin.common.session;
 
-import me.chanjar.weixin.common.util.res.StringManager;
-
-import java.util.*;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import me.chanjar.weixin.common.util.res.StringManager;
+
+/**
+ * @author Daniel Qian
+ */
 public class StandardSession implements WxSession, InternalSession {
 
   /**

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionFacade.java

@@ -2,6 +2,9 @@ package me.chanjar.weixin.common.session;
 
 import java.util.Enumeration;
 
+/**
+ * @author Daniel Qian
+ */
 public class StandardSessionFacade implements WxSession {
 
   /**

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionManager.java

@@ -1,15 +1,18 @@
 package me.chanjar.weixin.common.session;
 
-import me.chanjar.weixin.common.util.res.StringManager;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import me.chanjar.weixin.common.util.res.StringManager;
+
 /**
- * 基于内存的session manager
+ * 基于内存的session manager.
+ *
+ * @author Daniel Qian
  */
 public class StandardSessionManager implements WxSessionManager, InternalSessionManager {
 

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/TooManyActiveSessionsException.java

@@ -19,6 +19,8 @@ package me.chanjar.weixin.common.session;
 /**
  * An exception that indicates the maximum number of active sessions has been
  * reached and the server is refusing to create any new sessions.
+ *
+ * @author Daniel Qian
  */
 public class TooManyActiveSessionsException
   extends IllegalStateException {

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSession.java

@@ -2,6 +2,9 @@ package me.chanjar.weixin.common.session;
 
 import java.util.Enumeration;
 
+/**
+ * @author Daniel Qian
+ */
 public interface WxSession {
 
   Object getAttribute(String name);

weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSessionManager.java

@@ -1,5 +1,8 @@
 package me.chanjar.weixin.common.session;
 
+/**
+ * @author Daniel Qian
+ */
 public interface WxSessionManager {
 
   /**