fix WeixinAccessTokenServiceImpl

@@ -36,17 +36,27 @@ public class WeixinAccessTokenServiceImpl implements IWeixinAccessTokenService {
 
 	@Override
 	public AccessToken queryWeixinAccessToken() {
-		String accessTokenString = null;
-		String accessTokenKey = KeyBuilder.getAccesstokenKey();
 		try {
-			String value = pushRedisService.value_get(accessTokenKey);
-			if (StringUtils.isNotBlank(value)) {
-				return toObject(accessTokenString);
+			String accessTokenKey = KeyBuilder.getAccesstokenKey();
+			String redisValue = pushRedisService.value_get(accessTokenKey);
+			if (StringUtils.isNotBlank(redisValue)) {
+				return toAccessToken(redisValue);
 			} else {
 				return getAccessTokenFromUrl(accessTokenKey);
 			}
 		} catch (Exception e) {
 			logger.info("get access_token from redis fail,error message {}", e);
+			return null;
+		}
+	}
+
+	private static AccessToken toAccessToken(String tokenValue) {
+		if (StringUtils.isNotBlank(tokenValue)) {
+			String[] data = tokenValue.split(",");
+			AccessToken accessToken = new AccessToken();
+			accessToken.setToken(data[0]);
+			accessToken.setExpiresIn(Integer.valueOf(data[1]));
+			return accessToken;
 		}
 		return null;
 	}
@@ -68,15 +78,4 @@ public class WeixinAccessTokenServiceImpl implements IWeixinAccessTokenService {
 		}
 		return null;
 	}
-
-	public static AccessToken toObject(String tokenValue) {
-		if (StringUtils.isNotBlank(tokenValue)) {
-			String[] data = tokenValue.split(",");
-			AccessToken accessToken = new AccessToken();
-			accessToken.setToken(data[0]);
-			accessToken.setExpiresIn(Integer.valueOf(String.valueOf(Long.valueOf(data[1]))));
-			return accessToken;
-		}
-		return null;
-	}
 }