Package com.fasterxml.jackson.core

Class TreeCodec

java.lang.Object

com.fasterxml.jackson.core.TreeCodec

Direct Known Subclasses:

ObjectCodec

public abstract class TreeCodec
extends java.lang.Object

Interface that defines objects that can read and write TreeNode instances using Streaming API.

Since:

2.3

Constructor Summary

Constructors

Constructor	Description
TreeCodec()

Method Summary

Modifier and Type	Method	Description
abstract TreeNode	createArrayNode()
abstract TreeNode	createObjectNode()
TreeNode	missingNode()
TreeNode	nullNode()
abstract <T extends TreeNode> T	readTree(JsonParser p)
abstract JsonParser	treeAsTokens(TreeNode node)
abstract void	writeTree(JsonGenerator g, TreeNode tree)

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeCodec

public TreeCodec()

Method Detail

readTree

public abstract <T extends TreeNode> T readTree(JsonParser p)
                                         throws java.io.IOException,
                                                JsonProcessingException

Throws:

java.io.IOException

JsonProcessingException

writeTree

public abstract void writeTree(JsonGenerator g,
                               TreeNode tree)
                        throws java.io.IOException,
                               JsonProcessingException

Throws:

java.io.IOException

JsonProcessingException

missingNode

public TreeNode missingNode()

Returns:

Node that represents "missing" node during traversal: something referenced but that does not exist in content model

Since:

2.10

nullNode

public TreeNode nullNode()

Returns:

Node that represents explict null value in content

Since:

2.10

createArrayNode

public abstract TreeNode createArrayNode()

createObjectNode

public abstract TreeNode createObjectNode()

treeAsTokens

public abstract JsonParser treeAsTokens(TreeNode node)