Common (tea-util 0.2.13 API)

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

```
public class Common
extends Object
```

Constructor Summary

Constructors
Constructor and Description

Common()

Constructors
Constructor and Description
`Common()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static Map<String,Object>`	`anyifyMapValue(Map<String,?> map)` Anyify the value of map
`static List<Object>`	`assertAsArray(Object object)` Assert a value, if it is a array, return it, otherwise throws
`static Boolean`	`assertAsBoolean(Object object)` Assert a value, if it is a boolean, return it, otherwise throws
`static byte[]`	`assertAsBytes(Object object)` Assert a value, if it is a bytes, return it, otherwise throws
`static Map<String,Object>`	`assertAsMap(Object object)` Assert a value, if it is a map, it, otherwise throws
`static Number`	`assertAsNumber(Object object)` Assert a value, if it is a number, return it, otherwise throws
`static InputStream`	`assertAsReadable(Object value)` Assert a value, if it is a readable, return it, otherwise throws
`static String`	`assertAsString(Object object)` Assert a value, if it is a string, 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 void`	`sleep(int millisecond)` Suspends the current thread for the specified number of milliseconds.
`static Map<String,String>`	`stringifyMapValue(Map<String,?> map)` Stringify the value of map
`static List<Map<String,Object>>`	`toArray(Object input)` Transform input as array.
`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

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Common
```
public Common()
```
- Method Detail
  - toBytes
```
public static byte[] toBytes(String str)
```
    Convert a string(utf8) to bytes
    
    Returns:
    
    the return bytes
  - toString
```
public static String toString(byte[] bytes)
```
    Convert a bytes to string(utf8)
    
    Returns:
    
    the return string
  - parseJSON
```
public static Object parseJSON(String json)
```
    Parse it by JSON format
    
    Returns:
    
    the parsed result
  - assertAsMap
```
public static Map<String,Object> assertAsMap(Object object)
```
    Assert a value, if it is a map, it, otherwise throws
    
    Returns:
    
    the map value
  - assertAsArray
```
public static List<Object> assertAsArray(Object object)
```
    Assert a value, if it is a array, return it, otherwise throws
    
    Returns:
    
    the array
  - assertAsReadable
```
public static InputStream assertAsReadable(Object value)
```
    Assert a value, if it is a readable, return it, otherwise throws
    
    Returns:
    
    the readable value
  - assertAsBytes
```
public static byte[] assertAsBytes(Object object)
```
    Assert a value, if it is a bytes, return it, otherwise throws
    
    Returns:
    
    the bytes value
  - assertAsNumber
```
public static Number assertAsNumber(Object object)
```
    Assert a value, if it is a number, return it, otherwise throws
    
    Returns:
    
    the number value
  - assertAsString
```
public static String assertAsString(Object object)
```
    Assert a value, if it is a string, return it, otherwise throws
    
    Returns:
    
    the string value
  - assertAsBoolean
```
public static Boolean assertAsBoolean(Object object)
```
    Assert a value, if it is a boolean, return it, otherwise throws
    
    Returns:
    
    the boolean value
  - readAsBytes
```
public static byte[] readAsBytes(InputStream stream)
```
    Read data from a readable stream, and compose it to a bytes
    
    Parameters:
    
    stream - the readable stream
    
    Returns:
    
    the bytes result
  - readAsString
```
public static String readAsString(InputStream stream)
```
    Read data from a readable stream, and compose it to a string
    
    Parameters:
    
    stream - the readable stream
    
    Returns:
    
    the string result
  - readAsJSON
```
public static Object readAsJSON(InputStream stream)
```
    Read data from a readable stream, and parse it by JSON format
    
    Parameters:
    
    stream - the readable stream
    
    Returns:
    
    the parsed result
  - getNonce
```
public static String getNonce()
```
    Generate a nonce string
    
    Returns:
    
    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'
    
    Returns:
    
    the UTC format string
  - defaultString
```
public static String defaultString(String str,
                                   String defaultStr)
```
    If not set the real, use default value
    
    Returns:
    
    the return string
  - defaultNumber
```
public static Number defaultNumber(Number number,
                                   Number defaultNumber)
```
    If not set the real, use default value
    
    Returns:
    
    the return string
  - toFormString
```
public static String toFormString(Map<String,?> map)
```
    Format a map to form string, like a=a%20b%20c
    
    Returns:
    
    the form string
  - toJSONString
```
public static String toJSONString(Object object)
```
    If not set the real, use default value
    
    Returns:
    
    the return string
  - empty
```
public static boolean empty(String str)
```
    Check the string is empty?
    
    Returns:
    
    if string is null or zero length, return true
  - equalString
```
public static boolean equalString(String str,
                                  String val)
```
    Check one string equals another one?
    
    Returns:
    
    if equals, return true
  - equalNumber
```
public static boolean equalNumber(Number num,
                                  Number val)
```
    Check one number equals another one?
    
    Returns:
    
    if equals, return true
  - isUnset
```
public static boolean isUnset(Object object)
```
    Check one value is unset
    
    Returns:
    
    if unset, return true
  - stringifyMapValue
```
public static Map<String,String> stringifyMapValue(Map<String,?> map)
```
    Stringify the value of map
    
    Returns:
    
    the new stringified map
  - anyifyMapValue
```
public static Map<String,Object> anyifyMapValue(Map<String,?> map)
```
    Anyify the value of map
    
    Returns:
    
    the new anyfied map
  - getUserAgent
```
public static String getUserAgent(String val)
```
    Get user agent, if it userAgent is not null, splice it with defaultUserAgent and return, otherwise return defaultUserAgent
    
    Returns:
    
    the string value
  - is2xx
```
public static boolean is2xx(Number code)
```
    If the code between 200 and 300, return true, or return false
    
    Returns:
    
    boolean
  - is3xx
```
public static boolean is3xx(Number code)
```
    If the code between 300 and 400, return true, or return false
    
    Returns:
    
    boolean
  - is4xx
```
public static boolean is4xx(Number code)
```
    If the code between 400 and 500, return true, or return false
    
    Returns:
    
    boolean
  - is5xx
```
public static boolean is5xx(Number code)
```
    If the code between 500 and 600, return true, or return false
    
    Returns:
    
    boolean
  - validateModel
```
public static void validateModel(com.aliyun.tea.TeaModel m)
```
    Validate model
  - toMap
```
public static Map<String,Object> toMap(com.aliyun.tea.TeaModel in)
```
    Model transforms to map[string]any
    
    Returns:
    
    map[string]any
  - sleep
```
public static void sleep(int millisecond)
```
    Suspends the current thread for the specified number of milliseconds.
  - toArray
```
public static List<Map<String,Object>> toArray(Object input)
```
    Transform input as array.

Class Common

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Common

Method Detail

toBytes

toString

parseJSON

assertAsMap

assertAsArray

assertAsReadable

assertAsBytes

assertAsNumber

assertAsString

assertAsBoolean

readAsBytes

readAsString

readAsJSON

getNonce

getDateUTCString

defaultString

defaultNumber

toFormString

toJSONString

empty

equalString

equalNumber

isUnset

stringifyMapValue

anyifyMapValue

getUserAgent

is2xx

is3xx

is4xx

is5xx

validateModel

toMap

sleep

toArray