JsonValue (libGDX Core 1.5.1 API)

java.lang.Object
- com.badlogic.gdx.utils.JsonValue

All Implemented Interfaces:

Iterable<JsonValue>
```
public class JsonValue
extends Object
implements Iterable<JsonValue>
```
Container for a JSON object, array, string, double, long, boolean, or null.
JsonValue children are a linked list. Iteration of arrays or objects is easily done using a for loop, either with the enhanced for loop syntactic sugar or like the example below. This is much more efficient than accessing children by index when there are many children.
```
 JsonValue map = ...;
 for (JsonValue entry = map.child; entry != null; entry = entry.next)
        System.out.println(entry.name + " = " + entry.asString());
 
```
Author:

Nathan Sweet

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

class JsonValue.JsonIterator

static class JsonValue.PrettyPrintSettings

static class JsonValue.ValueType

Nested Classes
Modifier and Type	Class and Description
`class`	`JsonValue.JsonIterator`
`static class`	`JsonValue.PrettyPrintSettings`
`static class`	`JsonValue.ValueType`

Field Summary

Fields
Modifier and Type Field and Description

JsonValue child
May be null.

String name

JsonValue next
May be null.

JsonValue prev
May be null.

int size

Fields
Modifier and Type	Field and Description
`JsonValue`	`child` May be null.
`String`	`name`
`JsonValue`	`next` May be null.
`JsonValue`	`prev` May be null.
`int`	`size`

Constructor Summary

Constructors
Constructor and Description
`JsonValue(boolean value)`
`JsonValue(double value)`
`JsonValue(JsonValue.ValueType type)`
`JsonValue(long value)`
`JsonValue(String value)`

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`asBoolean()` Returns this value as a boolean.
`boolean[]`	`asBooleanArray()` Returns the children of this value as a newly allocated boolean array.
`byte`	`asByte()` Returns this value as a byte.
`byte[]`	`asByteArray()` Returns the children of this value as a newly allocated byte array.
`char`	`asChar()` Returns this value as a char.
`char[]`	`asCharArray()` Returns the children of this value as a newly allocated char array.
`double`	`asDouble()` Returns this value as a double.
`double[]`	`asDoubleArray()` Returns the children of this value as a newly allocated double array.
`float`	`asFloat()` Returns this value as a float.
`float[]`	`asFloatArray()` Returns the children of this value as a newly allocated float array.
`int`	`asInt()` Returns this value as an int.
`int[]`	`asIntArray()` Returns the children of this value as a newly allocated int array.
`long`	`asLong()` Returns this value as a long.
`long[]`	`asLongArray()` Returns the children of this value as a newly allocated long array.
`short`	`asShort()` Returns this value as a short.
`short[]`	`asShortArray()` Returns the children of this value as a newly allocated short array.
`String`	`asString()` Returns this value as a string.
`String[]`	`asStringArray()` Returns the children of this value as a newly allocated String array.
`JsonValue`	`child()` Returns the first child for this object or array.
`JsonValue`	`get(int index)` Returns the child at the specified index.
`JsonValue`	`get(String name)` Returns the child with the specified name.
`boolean`	`getBoolean(int index)` Finds the child with the specified index and returns it as a boolean.
`boolean`	`getBoolean(String name)` Finds the child with the specified name and returns it as a boolean.
`boolean`	`getBoolean(String name, boolean defaultValue)` Finds the child with the specified name and returns it as a boolean.
`byte`	`getByte(int index)` Finds the child with the specified index and returns it as a byte.
`byte`	`getByte(String name)` Finds the child with the specified name and returns it as a byte.
`byte`	`getByte(String name, byte defaultValue)` Finds the child with the specified name and returns it as a byte.
`char`	`getChar(int index)` Finds the child with the specified index and returns it as a char.
`char`	`getChar(String name)` Finds the child with the specified name and returns it as a char.
`char`	`getChar(String name, char defaultValue)` Finds the child with the specified name and returns it as a char.
`JsonValue`	`getChild(String name)` Finds the child with the specified name and returns its first child.
`double`	`getDouble(int index)` Finds the child with the specified index and returns it as a double.
`double`	`getDouble(String name)` Finds the child with the specified name and returns it as a double.
`double`	`getDouble(String name, double defaultValue)` Finds the child with the specified name and returns it as a double.
`float`	`getFloat(int index)` Finds the child with the specified index and returns it as a float.
`float`	`getFloat(String name)` Finds the child with the specified name and returns it as a float.
`float`	`getFloat(String name, float defaultValue)` Finds the child with the specified name and returns it as a float.
`int`	`getInt(int index)` Finds the child with the specified index and returns it as an int.
`int`	`getInt(String name)` Finds the child with the specified name and returns it as an int.
`int`	`getInt(String name, int defaultValue)` Finds the child with the specified name and returns it as an int.
`long`	`getLong(int index)` Finds the child with the specified index and returns it as a long.
`long`	`getLong(String name)` Finds the child with the specified name and returns it as a long.
`long`	`getLong(String name, long defaultValue)` Finds the child with the specified name and returns it as a long.
`short`	`getShort(int index)` Finds the child with the specified index and returns it as a short.
`short`	`getShort(String name)` Finds the child with the specified name and returns it as a short.
`short`	`getShort(String name, short defaultValue)` Finds the child with the specified name and returns it as a short.
`String`	`getString(int index)` Finds the child with the specified index and returns it as a string.
`String`	`getString(String name)` Finds the child with the specified name and returns it as a string.
`String`	`getString(String name, String defaultValue)` Finds the child with the specified name and returns it as a string.
`boolean`	`has(String name)` Returns true if a child with the specified name exists.
`boolean`	`hasChild(String name)` Returns true if a child with the specified name exists and has a child.
`boolean`	`isArray()`
`boolean`	`isBoolean()`
`boolean`	`isDouble()`
`boolean`	`isLong()`
`boolean`	`isNull()`
`boolean`	`isNumber()` Returns true if this is a double or long value.
`boolean`	`isObject()`
`boolean`	`isString()`
`boolean`	`isValue()` Returns true if this is not an array or object.
`JsonValue.JsonIterator`	`iterator()`
`String`	`name()` Returns the name for this object value.
`JsonValue`	`next()` Returns the next sibling of this value.
`String`	`prettyPrint(JsonValue.PrettyPrintSettings settings)`
`String`	`prettyPrint(JsonWriter.OutputType outputType, int singleLineColumns)`
`JsonValue`	`prev()` Returns the previous sibling of this value.
`JsonValue`	`remove(int index)` Removes the child with the specified index.
`JsonValue`	`remove(String name)` Removes the child with the specified name.
`JsonValue`	`require(int index)` Returns the child at the specified index.
`JsonValue`	`require(String name)` Returns the child with the specified name.
`void`	`set(boolean value)`
`void`	`set(double value)`
`void`	`set(long value)`
`void`	`set(String value)`
`void`	`setName(String name)`
`void`	`setNext(JsonValue next)`
`void`	`setPrev(JsonValue prev)`
`void`	`setType(JsonValue.ValueType type)`
`int`	`size()` Deprecated. Use the size property instead. Returns this number of children in the array or object.
`String`	`toString()`
`JsonValue.ValueType`	`type()`

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

- Field Detail
  - name
```
public String name
```
  - child
```
public JsonValue child
```
    May be null.
  - next
```
public JsonValue next
```
    May be null.
  - prev
```
public JsonValue prev
```
    May be null.
  - size
```
public int size
```
- Constructor Detail
  - JsonValue
```
public JsonValue(JsonValue.ValueType type)
```
  - JsonValue
```
public JsonValue(String value)
```
    Parameters:
    value - May be null.
  - JsonValue
```
public JsonValue(double value)
```
  - JsonValue
```
public JsonValue(long value)
```
  - JsonValue
```
public JsonValue(boolean value)
```
- Method Detail
  - get
```
public JsonValue get(int index)
```
    Returns the child at the specified index. This requires walking the linked list to the specified entry, see JsonValue for how to iterate efficiently.
    
    Returns:
    May be null.
  - get
```
public JsonValue get(String name)
```
    Returns the child with the specified name.
    
    Returns:
    May be null.
  - has
```
public boolean has(String name)
```
    Returns true if a child with the specified name exists.
  - require
```
public JsonValue require(int index)
```
    Returns the child at the specified index. This requires walking the linked list to the specified entry, see JsonValue for how to iterate efficiently.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - require
```
public JsonValue require(String name)
```
    Returns the child with the specified name.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - remove
```
public JsonValue remove(int index)
```
    Removes the child with the specified index. This requires walking the linked list to the specified entry, see JsonValue for how to iterate efficiently.
    
    Returns:
    May be null.
  - remove
```
public JsonValue remove(String name)
```
    Removes the child with the specified name.
    
    Returns:
    May be null.
  - size
```
@Deprecated
public int size()
```
    Deprecated. Use the size property instead. Returns this number of children in the array or object.
  - asString
```
public String asString()
```
    Returns this value as a string.
    
    Returns:
    May be null if this value is null.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asFloat
```
public float asFloat()
```
    Returns this value as a float.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asDouble
```
public double asDouble()
```
    Returns this value as a double.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asLong
```
public long asLong()
```
    Returns this value as a long.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asInt
```
public int asInt()
```
    Returns this value as an int.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asBoolean
```
public boolean asBoolean()
```
    Returns this value as a boolean.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asByte
```
public byte asByte()
```
    Returns this value as a byte.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asShort
```
public short asShort()
```
    Returns this value as a short.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asChar
```
public char asChar()
```
    Returns this value as a char.
    
    Throws:
    
    IllegalStateException - if this an array or object.
  - asStringArray
```
public String[] asStringArray()
```
    Returns the children of this value as a newly allocated String array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asFloatArray
```
public float[] asFloatArray()
```
    Returns the children of this value as a newly allocated float array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asDoubleArray
```
public double[] asDoubleArray()
```
    Returns the children of this value as a newly allocated double array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asLongArray
```
public long[] asLongArray()
```
    Returns the children of this value as a newly allocated long array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asIntArray
```
public int[] asIntArray()
```
    Returns the children of this value as a newly allocated int array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asBooleanArray
```
public boolean[] asBooleanArray()
```
    Returns the children of this value as a newly allocated boolean array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asByteArray
```
public byte[] asByteArray()
```
    Returns the children of this value as a newly allocated byte array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asShortArray
```
public short[] asShortArray()
```
    Returns the children of this value as a newly allocated short array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - asCharArray
```
public char[] asCharArray()
```
    Returns the children of this value as a newly allocated char array.
    
    Throws:
    
    IllegalStateException - if this is not an array.
  - hasChild
```
public boolean hasChild(String name)
```
    Returns true if a child with the specified name exists and has a child.
  - getChild
```
public JsonValue getChild(String name)
```
    Finds the child with the specified name and returns its first child.
    
    Returns:
    May be null.
  - getString
```
public String getString(String name,
               String defaultValue)
```
    Finds the child with the specified name and returns it as a string. Returns defaultValue if not found.
    
    Parameters:
    defaultValue - May be null.
  - getFloat
```
public float getFloat(String name,
             float defaultValue)
```
    Finds the child with the specified name and returns it as a float. Returns defaultValue if not found.
  - getDouble
```
public double getDouble(String name,
               double defaultValue)
```
    Finds the child with the specified name and returns it as a double. Returns defaultValue if not found.
  - getLong
```
public long getLong(String name,
           long defaultValue)
```
    Finds the child with the specified name and returns it as a long. Returns defaultValue if not found.
  - getInt
```
public int getInt(String name,
         int defaultValue)
```
    Finds the child with the specified name and returns it as an int. Returns defaultValue if not found.
  - getBoolean
```
public boolean getBoolean(String name,
                 boolean defaultValue)
```
    Finds the child with the specified name and returns it as a boolean. Returns defaultValue if not found.
  - getByte
```
public byte getByte(String name,
           byte defaultValue)
```
    Finds the child with the specified name and returns it as a byte. Returns defaultValue if not found.
  - getShort
```
public short getShort(String name,
             short defaultValue)
```
    Finds the child with the specified name and returns it as a short. Returns defaultValue if not found.
  - getChar
```
public char getChar(String name,
           char defaultValue)
```
    Finds the child with the specified name and returns it as a char. Returns defaultValue if not found.
  - getString
```
public String getString(String name)
```
    Finds the child with the specified name and returns it as a string.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getFloat
```
public float getFloat(String name)
```
    Finds the child with the specified name and returns it as a float.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getDouble
```
public double getDouble(String name)
```
    Finds the child with the specified name and returns it as a double.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getLong
```
public long getLong(String name)
```
    Finds the child with the specified name and returns it as a long.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getInt
```
public int getInt(String name)
```
    Finds the child with the specified name and returns it as an int.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getBoolean
```
public boolean getBoolean(String name)
```
    Finds the child with the specified name and returns it as a boolean.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getByte
```
public byte getByte(String name)
```
    Finds the child with the specified name and returns it as a byte.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getShort
```
public short getShort(String name)
```
    Finds the child with the specified name and returns it as a short.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getChar
```
public char getChar(String name)
```
    Finds the child with the specified name and returns it as a char.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getString
```
public String getString(int index)
```
    Finds the child with the specified index and returns it as a string.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getFloat
```
public float getFloat(int index)
```
    Finds the child with the specified index and returns it as a float.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getDouble
```
public double getDouble(int index)
```
    Finds the child with the specified index and returns it as a double.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getLong
```
public long getLong(int index)
```
    Finds the child with the specified index and returns it as a long.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getInt
```
public int getInt(int index)
```
    Finds the child with the specified index and returns it as an int.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getBoolean
```
public boolean getBoolean(int index)
```
    Finds the child with the specified index and returns it as a boolean.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getByte
```
public byte getByte(int index)
```
    Finds the child with the specified index and returns it as a byte.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getShort
```
public short getShort(int index)
```
    Finds the child with the specified index and returns it as a short.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - getChar
```
public char getChar(int index)
```
    Finds the child with the specified index and returns it as a char.
    
    Throws:
    
    IllegalArgumentException - if the child was not found.
  - type
```
public JsonValue.ValueType type()
```
  - setType
```
public void setType(JsonValue.ValueType type)
```
  - isArray
```
public boolean isArray()
```
  - isObject
```
public boolean isObject()
```
  - isString
```
public boolean isString()
```
  - isNumber
```
public boolean isNumber()
```
    Returns true if this is a double or long value.
  - isDouble
```
public boolean isDouble()
```
  - isLong
```
public boolean isLong()
```
  - isBoolean
```
public boolean isBoolean()
```
  - isNull
```
public boolean isNull()
```
  - isValue
```
public boolean isValue()
```
    Returns true if this is not an array or object.
  - name
```
public String name()
```
    Returns the name for this object value.
    
    Returns:
    May be null.
  - setName
```
public void setName(String name)
```
  - child
```
public JsonValue child()
```
    Returns the first child for this object or array.
    
    Returns:
    May be null.
  - next
```
public JsonValue next()
```
    Returns the next sibling of this value.
    
    Returns:
    May be null.
  - setNext
```
public void setNext(JsonValue next)
```
  - prev
```
public JsonValue prev()
```
    Returns the previous sibling of this value.
    
    Returns:
    May be null.
  - setPrev
```
public void setPrev(JsonValue prev)
```
  - set
```
public void set(String value)
```
    Parameters:
    value - May be null.
  - set
```
public void set(double value)
```
  - set
```
public void set(long value)
```
  - set
```
public void set(boolean value)
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - prettyPrint
```
public String prettyPrint(JsonWriter.OutputType outputType,
                 int singleLineColumns)
```
  - prettyPrint
```
public String prettyPrint(JsonValue.PrettyPrintSettings settings)
```
  - iterator
```
public JsonValue.JsonIterator iterator()
```
    Specified by:
    
    iterator in interface Iterable<JsonValue>

Class JsonValue

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

name

child

next

prev

size

Constructor Detail

JsonValue

JsonValue

JsonValue

JsonValue

JsonValue

Method Detail

get

get

has

require

require

remove

remove

size

asString

asFloat

asDouble

asLong

asInt

asBoolean

asByte

asShort

asChar

asStringArray

asFloatArray

asDoubleArray

asLongArray

asIntArray

asBooleanArray

asByteArray

asShortArray

asCharArray

hasChild

getChild

getString

getFloat

getDouble

getLong

getInt

getBoolean

getByte

getShort

getChar

getString

getFloat

getDouble

getLong

getInt

getBoolean

getByte

getShort

getChar

getString

getFloat

getDouble

getLong

getInt

getBoolean

getByte

getShort

getChar

type

setType

isArray

isObject

isString

isNumber