Common (tea-util 0.1.11 API)

java.lang.Object
- com.aliyun.teautil.Common

```
public class Common
extends Object
```

构造器概要

构造器
构造器和说明

Common()

构造器
构造器和说明
`Common()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static Map<String,Object>`	`anyifyMapValue(Map<String,?> map)` Anyify the value of map
`static Map<String,Object>`	`assertAsMap(Object object)` Assert a value, if it is a map, return it, otherwise throws
`static Number`	`defaultNumber(Number number, Number defaultNumber)` If not set the real, use default value
`static String`	`defaultString(String str, String defaultStr)` If not set the real, use default value
`static boolean`	`empty(String str)` Check the string is empty?
`static boolean`	`equalNumber(Number num, Number val)` Check one number equals another one?
`static boolean`	`equalString(String str, String val)` Check one string equals another one?
`static String`	`getDateUTCString()` Get an UTC format string by current date, e.g.
`static String`	`getNonce()` Generate a nonce string
`static String`	`getUserAgent(String val)` Get user agent, if it userAgent is not null, splice it with defaultUserAgent and return, otherwise return defaultUserAgent
`static boolean`	`is2xx(Number code)` If the code between 200 and 300, return true, or return false
`static boolean`	`is3xx(Number code)` If the code between 300 and 400, return true, or return false
`static boolean`	`is4xx(Number code)` If the code between 400 and 500, return true, or return false
`static boolean`	`is5xx(Number code)` If the code between 500 and 600, return true, or return false
`static boolean`	`isUnset(Object object)` Check one value is unset
`static Object`	`parseJSON(String json)` Parse it by JSON format
`static byte[]`	`readAsBytes(InputStream stream)` Read data from a readable stream, and compose it to a bytes
`static Object`	`readAsJSON(InputStream stream)` Read data from a readable stream, and parse it by JSON format
`static String`	`readAsString(InputStream stream)` Read data from a readable stream, and compose it to a string
`static Map<String,String>`	`stringifyMapValue(Map<String,?> map)` Stringify the value of map
`static byte[]`	`toBytes(String str)` Convert a string(utf8) to bytes
`static String`	`toFormString(Map<String,?> map)` Format a map to form string, like a=a%20b%20c
`static String`	`toJSONString(Object object)` If not set the real, use default value
`static Map<String,Object>`	`toMap(com.aliyun.tea.TeaModel in)` Model transforms to map[string]any
`static String`	`toString(byte[] bytes)` Convert a bytes to string(utf8)
`static void`	`validateModel(com.aliyun.tea.TeaModel m)` Validate model

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - Common
```
public Common()
```
- 方法详细资料
  - toBytes
```
public static byte[] toBytes(String str)
                      throws UnsupportedEncodingException
```
    Convert a string(utf8) to bytes
    
    返回:
    
    the return bytes
    
    抛出:
    
    UnsupportedEncodingException
  - toString
```
public static String toString(byte[] bytes)
                       throws UnsupportedEncodingException
```
    Convert a bytes to string(utf8)
    
    返回:
    
    the return string
    
    抛出:
    
    UnsupportedEncodingException
  - parseJSON
```
public static Object parseJSON(String json)
```
    Parse it by JSON format
    
    返回:
    
    the parsed result
  - assertAsMap
```
public static Map<String,Object> assertAsMap(Object object)
```
    Assert a value, if it is a map, return it, otherwise throws
    
    返回:
    
    the map value
  - readAsBytes
```
public static byte[] readAsBytes(InputStream stream)
                          throws IOException
```
    Read data from a readable stream, and compose it to a bytes
    
    参数:
    
    stream - the readable stream
    
    返回:
    
    the bytes result
    
    抛出:
    
    IOException
  - readAsString
```
public static String readAsString(InputStream stream)
                           throws IOException
```
    Read data from a readable stream, and compose it to a string
    
    参数:
    
    stream - the readable stream
    
    返回:
    
    the string result
    
    抛出:
    
    IOException
  - readAsJSON
```
public static Object readAsJSON(InputStream stream)
                         throws IOException
```
    Read data from a readable stream, and parse it by JSON format
    
    参数:
    
    stream - the readable stream
    
    返回:
    
    the parsed result
    
    抛出:
    
    IOException
  - getNonce
```
public static String getNonce()
```
    Generate a nonce string
    
    返回:
    
    the nonce string
  - getDateUTCString
```
public static String getDateUTCString()
```
    Get an UTC format string by current date, e.g. 'Thu, 06 Feb 2020 07:32:54 GMT'
    
    返回:
    
    the UTC format string
  - defaultString
```
public static String defaultString(String str,
                                   String defaultStr)
```
    If not set the real, use default value
    
    返回:
    
    the return string
  - defaultNumber
```
public static Number defaultNumber(Number number,
                                   Number defaultNumber)
```
    If not set the real, use default value
    
    返回:
    
    the return string
  - toFormString
```
public static String toFormString(Map<String,?> map)
                           throws UnsupportedEncodingException
```
    Format a map to form string, like a=a%20b%20c
    
    返回:
    
    the form string
    
    抛出:
    
    UnsupportedEncodingException
  - toJSONString
```
public static String toJSONString(Object object)
```
    If not set the real, use default value
    
    返回:
    
    the return string
  - empty
```
public static boolean empty(String str)
```
    Check the string is empty?
    
    返回:
    
    if string is null or zero length, return true
  - equalString
```
public static boolean equalString(String str,
                                  String val)
```
    Check one string equals another one?
    
    返回:
    
    if equals, return true
  - equalNumber
```
public static boolean equalNumber(Number num,
                                  Number val)
```
    Check one number equals another one?
    
    返回:
    
    if equals, return true
  - isUnset
```
public static boolean isUnset(Object object)
```
    Check one value is unset
    
    返回:
    
    if unset, return true
  - stringifyMapValue
```
public static Map<String,String> stringifyMapValue(Map<String,?> map)
```
    Stringify the value of map
    
    返回:
    
    the new stringified map
  - anyifyMapValue
```
public static Map<String,Object> anyifyMapValue(Map<String,?> map)
```
    Anyify the value of map
    
    返回:
    
    the new anyfied map
  - getUserAgent
```
public static String getUserAgent(String val)
                           throws Exception
```
    Get user agent, if it userAgent is not null, splice it with defaultUserAgent and return, otherwise return defaultUserAgent
    
    返回:
    
    the string value
    
    抛出:
    
    Exception
  - is2xx
```
public static boolean is2xx(Number code)
                     throws Exception
```
    If the code between 200 and 300, return true, or return false
    
    返回:
    
    boolean
    
    抛出:
    
    Exception
  - is3xx
```
public static boolean is3xx(Number code)
                     throws Exception
```
    If the code between 300 and 400, return true, or return false
    
    返回:
    
    boolean
    
    抛出:
    
    Exception
  - is4xx
```
public static boolean is4xx(Number code)
                     throws Exception
```
    If the code between 400 and 500, return true, or return false
    
    返回:
    
    boolean
    
    抛出:
    
    Exception
  - is5xx
```
public static boolean is5xx(Number code)
                     throws Exception
```
    If the code between 500 and 600, return true, or return false
    
    返回:
    
    boolean
    
    抛出:
    
    Exception
  - validateModel
```
public static void validateModel(com.aliyun.tea.TeaModel m)
                          throws Exception
```
    Validate model
    
    抛出:
    
    Exception
  - toMap
```
public static Map<String,Object> toMap(com.aliyun.tea.TeaModel in)
                                throws Exception
```
    Model transforms to map[string]any
    
    返回:
    
    map[string]any
    
    抛出:
    
    Exception

类 Common

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

Common

方法详细资料

toBytes

toString

parseJSON

assertAsMap

readAsBytes

readAsString

readAsJSON

getNonce

getDateUTCString

defaultString

defaultNumber

toFormString

toJSONString

empty

equalString

equalNumber

isUnset

stringifyMapValue

anyifyMapValue

getUserAgent

is2xx

is3xx

is4xx

is5xx

validateModel

toMap