JsonObject (myoss-starter-core 2.1.11-RC1 API)

java.lang.Object
- app.myoss.cloud.core.lang.json.JsonObject

All Implemented Interfaces:

Serializable, Map<String,Object>
```
public final class JsonObject
extends Object
implements Map<String,Object>, Serializable
```
A class representing an object type in Json.

Since:

2020年6月5日上午10:12:05

Author:

Jerry.Chen

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K,V>

Constructor Summary

Constructors
Constructor and Description
`JsonObject()` Constructs an empty insertion-ordered `LinkedHashMap` instance with the default initial capacity (16) and load factor (0.75).
`JsonObject(boolean ordered)` Constructs an empty `Map` instance with the default initial capacity (16) and load factor (0.75).
`JsonObject(int initialCapacity)` Constructs an empty insertion-ordered `LinkedHashMap` instance with the specified initial capacity, and a default load factor (0.75).
`JsonObject(int initialCapacity, boolean ordered)` Constructs an empty `Map` with the default initial capacity (16) and load factor (0.75).
`JsonObject(Map<String,Object> src)` Constructs an `Map` instance with the same mappings as the specified map.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`clear()`
`Object`	`clone()`
`boolean`	`containsKey(Object key)`
`boolean`	`containsValue(Object value)`
`Set<Map.Entry<String,Object>>`	`entrySet()`
`boolean`	`equals(Object obj)`
`Object`	`get(Object key)`
`BigDecimal`	`getAsBigDecimal(String key)` convenience method to get this element as a `BigDecimal`.
`BigInteger`	`getAsBigInteger(String key)` convenience method to get this element as a `BigInteger`.
`boolean`	`getAsBoolean(String key)` convenience method to get this element as a boolean value.
`Byte`	`getAsByte(String key)` convenience method to get this element as a primitive byte.
`char`	`getAsCharacter(String key)` convenience method to get this element as a primitive char.
`Double`	`getAsDouble(String key)` convenience method to get this element as a primitive double.
`Float`	`getAsFloat(String key)` convenience method to get this element as a Float.
`Integer`	`getAsInt(String key)` convenience method to get this element as a primitive integer.
`JsonArray`	`getAsJsonArray(String key)` Convenience method to get the specified key as a JsonArray.
`JsonObject`	`getAsJsonObject(String key)` Convenience method to get the specified key as a JsonObject.
`<T> List<T>`	`getAsList(String key)` Convenience method to get the specified key as a List.
`Long`	`getAsLong(String key)` convenience method to get this element as a primitive Long.
`Number`	`getAsNumber(String key)` convenience method to get this element as a Number.
`Short`	`getAsShort(String key)` convenience method to get this element as a primitive Short.
`String`	`getAsString(String key)` convenience method to get this element as a String.
`int`	`hashCode()`
`boolean`	`isEmpty()`
`Set<String>`	`keySet()`
`Object`	`put(String key, Object value)`
`void`	`putAll(Map<? extends String,?> src)`
`Object`	`remove(Object key)`
`int`	`size()`
`String`	`toJson()` 将对象序列化为JSON字符串
`void`	`toJson(Appendable writer)` 将对象序列化为JSON字符串
`String`	`toString()`
`Collection<Object>`	`values()`

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

- Constructor Detail
  - JsonObject
```
public JsonObject()
```
    Constructs an empty insertion-ordered LinkedHashMap instance with the default initial capacity (16) and load factor (0.75).
  - JsonObject
```
public JsonObject(Map<String,Object> src)
```
    Constructs an Map instance with the same mappings as the specified map.
    
    Parameters:
    
    src - the map whose mappings are to be placed in this map
    
    Throws:
    
    NullPointerException - if the specified map is null
  - JsonObject
```
public JsonObject(boolean ordered)
```
    Constructs an empty Map instance with the default initial capacity (16) and load factor (0.75).
    
    Parameters:
    
    ordered - true: create LinkedHashMap; false: create HashMap
  - JsonObject
```
public JsonObject(int initialCapacity)
```
    Constructs an empty insertion-ordered LinkedHashMap instance with the specified initial capacity, and a default load factor (0.75).
    
    Parameters:
    
    initialCapacity - the initial capacity
    
    Throws:
    
    IllegalArgumentException - if the initial capacity is negative
  - JsonObject
```
public JsonObject(int initialCapacity,
                  boolean ordered)
```
    Constructs an empty Map with the default initial capacity (16) and load factor (0.75).
    
    Parameters:
    
    initialCapacity - the initial capacity
    
    ordered - true: create LinkedHashMap; false: create HashMap
    
    Throws:
    
    IllegalArgumentException - if the initial capacity is negative
- Method Detail
  - size
```
public int size()
```
    Specified by:
    
    size in interface Map<String,Object>
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Map<String,Object>
  - containsKey
```
public boolean containsKey(Object key)
```
    Specified by:
    
    containsKey in interface Map<String,Object>
  - containsValue
```
public boolean containsValue(Object value)
```
    Specified by:
    
    containsValue in interface Map<String,Object>
  - get
```
public Object get(Object key)
```
    Specified by:
    
    get in interface Map<String,Object>
  - put
```
public Object put(String key,
                  Object value)
```
    Specified by:
    
    put in interface Map<String,Object>
  - remove
```
public Object remove(Object key)
```
    Specified by:
    
    remove in interface Map<String,Object>
  - putAll
```
public void putAll(Map<? extends String,?> src)
```
    Specified by:
    
    putAll in interface Map<String,Object>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface Map<String,Object>
  - keySet
```
public Set<String> keySet()
```
    Specified by:
    
    keySet in interface Map<String,Object>
  - values
```
public Collection<Object> values()
```
    Specified by:
    
    values in interface Map<String,Object>
  - entrySet
```
public Set<Map.Entry<String,Object>> entrySet()
```
    Specified by:
    
    entrySet in interface Map<String,Object>
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - clone
```
public Object clone()
```
    Overrides:
    
    clone in class Object
  - equals
```
public boolean equals(Object obj)
```
    Specified by:
    
    equals in interface Map<String,Object>
    
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface Map<String,Object>
    
    Overrides:
    
    hashCode in class Object
  - toJson
```
public String toJson()
```
    将对象序列化为JSON字符串
    
    Returns:
    
    JSON字符串
  - toJson
```
public void toJson(Appendable writer)
```
    将对象序列化为JSON字符串
    
    Parameters:
    
    writer - 将JSON字符串写入到 Appendable 中
  - getAsList
```
public <T> List<T> getAsList(String key)
```
    Convenience method to get the specified key as a List.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    the List corresponding to the specified key.
  - getAsJsonArray
```
public JsonArray getAsJsonArray(String key)
```
    Convenience method to get the specified key as a JsonArray.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    the JsonArray corresponding to the specified key.
  - getAsJsonObject
```
public JsonObject getAsJsonObject(String key)
```
    Convenience method to get the specified key as a JsonObject.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    the JsonObject corresponding to the specified key.
  - getAsBoolean
```
public boolean getAsBoolean(String key)
```
    convenience method to get this element as a boolean value.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a primitive boolean value.
  - getAsNumber
```
public Number getAsNumber(String key)
```
    convenience method to get this element as a Number.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a Number.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid Number.
  - getAsString
```
public String getAsString(String key)
```
    convenience method to get this element as a String.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a String.
  - getAsDouble
```
public Double getAsDouble(String key)
```
    convenience method to get this element as a primitive double.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a primitive double.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid double.
  - getAsBigDecimal
```
public BigDecimal getAsBigDecimal(String key)
```
    convenience method to get this element as a BigDecimal.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a BigDecimal.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid BigDecimal.
  - getAsBigInteger
```
public BigInteger getAsBigInteger(String key)
```
    convenience method to get this element as a BigInteger.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a BigInteger.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid BigInteger.
  - getAsFloat
```
public Float getAsFloat(String key)
```
    convenience method to get this element as a Float.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a Float.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid Float.
  - getAsLong
```
public Long getAsLong(String key)
```
    convenience method to get this element as a primitive Long.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a primitive Long.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid Long.
  - getAsShort
```
public Short getAsShort(String key)
```
    convenience method to get this element as a primitive Short.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a primitive Short.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid Short value.
  - getAsInt
```
public Integer getAsInt(String key)
```
    convenience method to get this element as a primitive integer.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a primitive integer.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid integer.
  - getAsByte
```
public Byte getAsByte(String key)
```
    convenience method to get this element as a primitive byte.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a primitive byte.
    
    Throws:
    
    NumberFormatException - if the value contained is not a valid byte.
  - getAsCharacter
```
public char getAsCharacter(String key)
```
    convenience method to get this element as a primitive char.
    
    Parameters:
    
    key - name of the element key.
    
    Returns:
    
    get this element as a primitive char.
    
    Throws:
    
    IndexOutOfBoundsException - if the index argument is negative or not less than the length of this string.

Class JsonObject

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Map

Constructor Detail

JsonObject

JsonObject

JsonObject

JsonObject

JsonObject

Method Detail

size

isEmpty

containsKey

containsValue

get

put

remove

putAll

clear

keySet

values

entrySet

toString

clone

equals

hashCode

toJson

toJson

getAsList

getAsJsonArray

getAsJsonObject

getAsBoolean

getAsNumber

getAsString

getAsDouble

getAsBigDecimal

getAsBigInteger

getAsFloat

getAsLong

getAsShort

getAsInt

getAsByte

getAsCharacter