Module tools.jackson.dataformat.protobuf

Package tools.jackson.dataformat.protobuf

Class ProtobufReadContext

java.lang.Object

tools.jackson.core.TokenStreamContext

tools.jackson.dataformat.protobuf.ProtobufReadContext

public final class ProtobufReadContext
extends tools.jackson.core.TokenStreamContext

Extension of TokenStreamContext to support features needed to decode nested Protobuf messages.

Field Summary

Fields

Modifier and Type	Field	Description
protected ProtobufReadContext	_child
protected String	_currentName
protected Object	_currentValue
protected int	_endOffset	Offset within input buffer where the message represented by this context (if message context) ends.
protected ProtobufField	_field	For array contexts: field that defines type of array values.
protected ProtobufMessage	_messageType	Type of current context.
protected final ProtobufReadContext	_parent	Parent context for this context; null for root context.

Fields inherited from class tools.jackson.core.TokenStreamContext

_index, _nestingDepth, _type, TYPE_ARRAY, TYPE_OBJECT, TYPE_ROOT

Constructor Summary

Constructors

Constructor	Description
ProtobufReadContext(ProtobufReadContext parent, ProtobufMessage messageType, int type, int endOffset)

Method Summary

Modifier and Type	Method	Description
int	adjustEnd(int bytesConsumed)	Method called when loading more input, or moving existing data; this requires adjusting relative end offset as well, except for root context.
void	assignCurrentValue(Object v)
ProtobufReadContext	createChildArrayContext(ProtobufField f)
ProtobufReadContext	createChildArrayContext(ProtobufField f, int endOffset)
ProtobufReadContext	createChildObjectContext(ProtobufMessage messageType, ProtobufField f, int endOffset)
static ProtobufReadContext	createRootContext()
String	currentName()
Object	currentValue()
int	getEndOffset()
ProtobufField	getField()
ProtobufMessage	getMessageType()
ProtobufReadContext	getParent()
protected void	reset(ProtobufMessage messageType, int type, int endOffset)
void	setCurrentName(String name)
void	setMessageType(ProtobufMessage mt)
tools.jackson.core.TokenStreamLocation	startLocation(tools.jackson.core.io.ContentReference srcRef, long byteOffset)
String	toString()	Overridden to provide developer readable "JsonPath" representation of the context.

Methods inherited from class tools.jackson.core.TokenStreamContext

getCurrentIndex, getEntryCount, getNestingDepth, hasCurrentIndex, hasCurrentName, hasPathSegment, inArray, inObject, inRoot, pathAsPointer, pathAsPointer, startLocation, typeDesc

Methods inherited from class java.lang.Object

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

Field Details

_parent

protected final ProtobufReadContext _parent

Parent context for this context; null for root context.

_messageType

protected ProtobufMessage _messageType

Type of current context.

_field

protected ProtobufField _field

For array contexts: field that defines type of array values.

_currentName

protected String _currentName

_currentValue

protected Object _currentValue

Since:

2.9

_endOffset

protected int _endOffset

Offset within input buffer where the message represented by this context (if message context) ends.

_child

protected ProtobufReadContext _child

Constructor Details

ProtobufReadContext

public ProtobufReadContext(ProtobufReadContext parent,
 ProtobufMessage messageType,
 int type,
 int endOffset)

Method Details

reset

protected void reset(ProtobufMessage messageType,
 int type,
 int endOffset)

currentValue

public Object currentValue()

Overrides:

currentValue in class tools.jackson.core.TokenStreamContext

assignCurrentValue

public void assignCurrentValue(Object v)

Overrides:

assignCurrentValue in class tools.jackson.core.TokenStreamContext

createRootContext

public static ProtobufReadContext createRootContext()

createChildArrayContext

public ProtobufReadContext createChildArrayContext(ProtobufField f)

createChildArrayContext

public ProtobufReadContext createChildArrayContext(ProtobufField f,
 int endOffset)

createChildObjectContext

public ProtobufReadContext createChildObjectContext(ProtobufMessage messageType,
 ProtobufField f,
 int endOffset)

currentName

public String currentName()

Specified by:

currentName in class tools.jackson.core.TokenStreamContext

getParent

public ProtobufReadContext getParent()

Specified by:

getParent in class tools.jackson.core.TokenStreamContext

adjustEnd

public int adjustEnd(int bytesConsumed)

Method called when loading more input, or moving existing data; this requires adjusting relative end offset as well, except for root context.

getEndOffset

public int getEndOffset()

getMessageType

public ProtobufMessage getMessageType()

getField

public ProtobufField getField()

setMessageType

public void setMessageType(ProtobufMessage mt)

startLocation

public tools.jackson.core.TokenStreamLocation startLocation(tools.jackson.core.io.ContentReference srcRef,
 long byteOffset)

Returns:

Location pointing to the point where the context start marker was found

setCurrentName

public void setCurrentName(String name)

toString

public String toString()

Overridden to provide developer readable "JsonPath" representation of the context.

Overrides:

toString in class tools.jackson.core.TokenStreamContext