util/java/src/main/java/com/aliyun/eventbridge/base/EventBridgeUtil.java
private static boolean isJsonContentType(Object contentType) {
        return contentType == null || Strings.isNullOrEmpty(contentType.toString()) || contentType.toString()
            .startsWith("application/json") || contentType.toString()
            .startsWith("text" + "/json");
    }
/**
     * return true if is json contentType
     *
     * @param contentType
     *
     * @return
     */
return true if is json contentType
@param contentType

@return
return true if is json contentType @param contentType @return
private static boolean isJsonContentType(Object contentType) {
        return contentType == null || Strings.isNullOrEmpty(contentType.toString()) || contentType.toString()
            .startsWith("application/json") || contentType.toString()
            .startsWith("text" + "/json");
    }
private static boolean isJsonContentType ( Object contentType ) { return contentType == null || Strings . isNullOrEmpty ( contentType . toString ( ) ) || contentType . toString ( ) . startsWith ( "application/json" ) || contentType . toString ( ) . startsWith ( "text" + "/json" ) ; }
return true if is json contentType
 @param contentType
return true if is json contentType @param contentType