sk.antons.json

Interface JsonObject

All Superinterfaces:

JsonValue

All Known Implementing Classes:

JsonObjectImpl

public interface JsonObject
extends JsonValue

Json object.

Author:

antons

Method Summary

Modifier and Type	Method and Description
JsonObject	add(String name, JsonValue value) Adds attribute ti this json object at last position.
JsonObject	add(String name, JsonValue value, int index) Adds attribute ti this json object at specified position.
List<JsonValue>	all(String name) Values of all attributes with specidied name
JsonAttribute	attr(int index) Reads n'th attribute of this json object
JsonAttribute	attr(String name) Reads first attribute of this json object with specified name
List<JsonAttribute>	attrs(String name) Reads all attributes of this json object with specified name
void	clear() Clears all attributes from this json object.
JsonValue	first() Returns value of first attribute.
JsonValue	first(String name) Value of first attribute with specidied name
int	firstIndex(String name) Index of first attribute with specidied name
boolean	isEmpty() Checks if object has any attribute.
JsonValue	last() Returns value of last attribute.
JsonObject	removeAll(String name) Removes all values with specified name.
JsonAttribute	removeAttr(int index) Removes n'th attribute from this json object.
int	size() Size of json object.
List<JsonAttribute>	toList() Converts attributes to regular list.

Methods inherited from interface sk.antons.json.JsonValue

asArray, asBoolLiteral, asExpLiteral, asFracLiteral, asIntLiteral, asLiteral, asNullLiteral, asObject, asStringLiteral, findAll, findAllLiterals, findFirst, findFirstLiteral, isArray, isBoolLiteral, isExpLiteral, isFracLiteral, isIntLiteral, isLiteral, isNullLiteral, isObject, isStringLiteral, parent, parentIndex, path, remove, toCompactString, toPrettyString

Method Detail

isEmpty

boolean isEmpty()

Checks if object has any attribute.

Returns:

true if object has no attribute

size

int size()

Size of json object.

Returns:

number of attributes.

clear

void clear()

Clears all attributes from this json object.

attr

JsonAttribute attr(int index)

Reads n'th attribute of this json object

Parameters:

index - of the attribute which is read (first attribute has index=0)

Returns:

attribute at index position

attr

JsonAttribute attr(String name)

Reads first attribute of this json object with specified name

Parameters:

name - of the attribute which is read (first attribute with the name will be returned)

Returns:

first attribute with the name

attrs

List<JsonAttribute> attrs(String name)

Reads all attributes of this json object with specified name

Parameters:

name - of the attributes which is read (all attributes with the name will be returned)

Returns:

all attributes with the name

removeAttr

JsonAttribute removeAttr(int index)

Removes n'th attribute from this json object.

Parameters:

index - position of attribute which should be removed

Returns:

remoced attribute

toList

List<JsonAttribute> toList()

Converts attributes to regular list.

Returns:

first

JsonValue first()

Returns value of first attribute.

Returns:

first attribute value or null if json object is empty

last

JsonValue last()

Returns value of last attribute.

Returns:

last attribute value or null if json object is empty

add

JsonObject add(String name,
               JsonValue value)

Adds attribute ti this json object at last position.

Parameters:

name - name of the attribute

value - value of the attribute

Returns:

this json object

add

JsonObject add(String name,
               JsonValue value,
               int index)

Adds attribute ti this json object at specified position.

Parameters:

name - name of the attribute

value - value of the attribute

index - position of the attribute

Returns:

this json object

firstIndex

int firstIndex(String name)

Index of first attribute with specidied name

Parameters:

name - name of the attribute which should be found

Returns:

index fist attribute with the name of null if it is not found

first

JsonValue first(String name)

Value of first attribute with specidied name

Parameters:

name - name of the attribute which should be found

Returns:

value of fist attribute with the name of null if it is not found

all

List<JsonValue> all(String name)

Values of all attributes with specidied name

Parameters:

name - name of the attributes which should be found

Returns:

values of all attributes with the name

removeAll

JsonObject removeAll(String name)

Removes all values with specified name.

Parameters:

name - of attributes to be removed

Returns:

this json object