com.fasterxml.jackson.jr.stree

Class JacksonJrsTreeCodec

java.lang.Object

com.fasterxml.jackson.core.TreeCodec

com.fasterxml.jackson.jr.stree.JacksonJrsTreeCodec

public class JacksonJrsTreeCodec
extends TreeCodec

TreeCodec implementation that can build "simple", immutable (read-only) trees out of JSON: these are represented as subtypes of JrsValue ("Jrs" from "jackson JR Simple").

Field Summary

Fields

Modifier and Type	Field and Description
protected ObjectCodec	_objectCodec
static JrsMissing	MISSING
static JacksonJrsTreeCodec	SINGLETON

Constructor Summary

Constructors

Constructor and Description
JacksonJrsTreeCodec()
JacksonJrsTreeCodec(ObjectCodec codec)

Method Summary

Modifier and Type	Method and Description
protected List<JrsValue>	_list()
protected Map<String,JrsValue>	_map()
JrsBoolean	booleanNode(boolean state) Factory method for constructing node to represent Boolean values.
JrsValue	createArrayNode()
JrsValue	createObjectNode()
JrsValue	missingNode()
JrsValue	nullNode()
JrsNumber	numberNode(Number nr) Factory method for constructing node to represent String values.
<T extends TreeNode> T	readTree(JsonParser p)
JrsString	stringNode(String text) Factory method for constructing node to represent String values.
JsonParser	treeAsTokens(TreeNode node)
void	writeTree(JsonGenerator g, TreeNode treeNode)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MISSING

public static JrsMissing MISSING

SINGLETON

public static final JacksonJrsTreeCodec SINGLETON

_objectCodec

protected ObjectCodec _objectCodec

Constructor Detail

JacksonJrsTreeCodec

public JacksonJrsTreeCodec()

JacksonJrsTreeCodec

public JacksonJrsTreeCodec(ObjectCodec codec)

Method Detail

readTree

public <T extends TreeNode> T readTree(JsonParser p)
                                throws IOException

Specified by:

readTree in class TreeCodec

Throws:

IOException

writeTree

public void writeTree(JsonGenerator g,
                      TreeNode treeNode)
               throws IOException

Specified by:

writeTree in class TreeCodec

Throws:

IOException

createArrayNode

public JrsValue createArrayNode()

Specified by:

createArrayNode in class TreeCodec

createObjectNode

public JrsValue createObjectNode()

Specified by:

createObjectNode in class TreeCodec

missingNode

public JrsValue missingNode()

Overrides:

missingNode in class TreeCodec

nullNode

public JrsValue nullNode()

Overrides:

nullNode in class TreeCodec

treeAsTokens

public JsonParser treeAsTokens(TreeNode node)

Specified by:

treeAsTokens in class TreeCodec

booleanNode

public JrsBoolean booleanNode(boolean state)

Factory method for constructing node to represent Boolean values.

Parameters:

state - Whether to create Boolean.TRUE or Boolean.FALSE node

Returns:

Node instance for given boolean value

Since:

2.8

stringNode

public JrsString stringNode(String text)

Factory method for constructing node to represent String values.

Parameters:

text - String value for constructed node to contain

Returns:

Node instance for given text value

Since:

2.8

numberNode

public JrsNumber numberNode(Number nr)

Factory method for constructing node to represent String values.

Parameters:

nr - Numeric value for constructed node to contain

Returns:

Node instance for given numeric value

Since:

2.8

_list

protected List<JrsValue> _list()

_map

protected Map<String,JrsValue> _map()