com.fasterxml.jackson.dataformat.yaml

Class YAMLParser

java.lang.Object

com.fasterxml.jackson.core.JsonParser

com.fasterxml.jackson.core.base.ParserMinimalBase

com.fasterxml.jackson.core.base.ParserBase

com.fasterxml.jackson.dataformat.yaml.YAMLParser

All Implemented Interfaces:

com.fasterxml.jackson.core.Versioned, Closeable, AutoCloseable

public class YAMLParser
extends com.fasterxml.jackson.core.base.ParserBase

JsonParser implementation used to expose YAML documents in form that allows other Jackson functionality to process YAML content, such as binding POJOs to and from it, and building tree representations.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	YAMLParser.Feature Enumeration that defines all togglable features for YAML parsers.

Nested classes/interfaces inherited from class com.fasterxml.jackson.core.JsonParser

com.fasterxml.jackson.core.JsonParser.NumberType

Field Summary

Fields

Modifier and Type	Field and Description
protected String	_currentAnchor Anchor for the value that parser currently points to: in case of structured types, value whose first token current token is.
protected String	_currentFieldName Let's also have a local copy of the current field name
protected boolean	_currentIsAlias Flag that is set when current token was derived from an Alias (reference to another value's anchor)
protected org.yaml.snakeyaml.events.Event	_lastEvent Keep track of the last event read, to get access to Location info
protected com.fasterxml.jackson.core.ObjectCodec	_objectCodec Codec used for data binding when (if) requested.
protected Reader	_reader Need to keep track of underlying Reader to be able to auto-close it (if required to)
protected String	_textValue We need to keep track of text values.
protected int	_yamlFeatures
protected org.yaml.snakeyaml.parser.ParserImpl	_yamlParser

Fields inherited from class com.fasterxml.jackson.core.base.ParserBase

_binaryValue, _byteArrayBuilder, _closed, _currInputProcessed, _currInputRow, _currInputRowStart, _expLength, _fractLength, _inputEnd, _inputPtr, _intLength, _ioContext, _nameCopied, _nameCopyBuffer, _nextToken, _numberBigDecimal, _numberBigInt, _numberDouble, _numberInt, _numberLong, _numberNegative, _numTypesValid, _parsingContext, _textBuffer, _tokenInputCol, _tokenInputRow, _tokenInputTotal, CHAR_NULL, INT_0, INT_9, INT_MINUS, INT_PLUS, NR_BIGDECIMAL, NR_BIGINT, NR_DOUBLE, NR_INT, NR_LONG, NR_UNKNOWN

Fields inherited from class com.fasterxml.jackson.core.base.ParserMinimalBase

_currToken, _lastClearedToken, INT_BACKSLASH, INT_COLON, INT_COMMA, INT_CR, INT_e, INT_E, INT_HASH, INT_LBRACKET, INT_LCURLY, INT_LF, INT_PERIOD, INT_QUOTE, INT_RBRACKET, INT_RCURLY, INT_SLASH, INT_SPACE, INT_TAB

Fields inherited from class com.fasterxml.jackson.core.JsonParser

_features

Constructor Summary

Constructors

Constructor and Description
YAMLParser(com.fasterxml.jackson.core.io.IOContext ctxt, com.fasterxml.jackson.core.util.BufferRecycler br, int parserFeatures, int csvFeatures, com.fasterxml.jackson.core.ObjectCodec codec, Reader reader)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	_closeInput()
protected com.fasterxml.jackson.core.JsonToken	_decodeNumberScalar(String value, int len)
protected com.fasterxml.jackson.core.JsonToken	_decodeScalar(org.yaml.snakeyaml.events.ScalarEvent scalar)
protected void	_finishString()
protected com.fasterxml.jackson.core.JsonLocation	_locationFor(org.yaml.snakeyaml.error.Mark m)
protected Boolean	_matchYAMLBoolean(String value, int len)
protected void	_parseNumericValue(int expType)
boolean	canReadObjectId()
boolean	canReadTypeId()
com.fasterxml.jackson.core.JsonParser	configure(YAMLParser.Feature f, boolean state) Method for enabling or disabling specified CSV feature (check YAMLParser.Feature for list of features)
com.fasterxml.jackson.core.JsonParser	disable(YAMLParser.Feature f) Method for disabling specified CSV feature (check YAMLParser.Feature for list of features)
com.fasterxml.jackson.core.JsonParser	enable(YAMLParser.Feature f) Method for enabling specified CSV feature (check YAMLParser.Feature for list of features)
byte[]	getBinaryValue(com.fasterxml.jackson.core.Base64Variant variant)
com.fasterxml.jackson.core.ObjectCodec	getCodec()
String	getCurrentAnchor() Deprecated. Since 2.3 (was added in 2.1) -- use getObjectId() instead
com.fasterxml.jackson.core.JsonLocation	getCurrentLocation()
String	getCurrentName()
Object	getEmbeddedObject()
String	getObjectId()
String	getText()
char[]	getTextCharacters()
int	getTextLength()
int	getTextOffset()
com.fasterxml.jackson.core.JsonLocation	getTokenLocation()
String	getTypeId()
boolean	hasTextCharacters()
boolean	isCurrentAlias() Method that can be used to check whether current token was created from YAML Alias token (reference to an anchor).
boolean	isEnabled(YAMLParser.Feature f) Method for checking whether specified CSV YAMLParser.Feature is enabled.
protected boolean	loadMore()
com.fasterxml.jackson.core.JsonToken	nextToken()
void	setCodec(com.fasterxml.jackson.core.ObjectCodec c)
com.fasterxml.jackson.core.Version	version()

Methods inherited from class com.fasterxml.jackson.core.base.ParserBase

_decodeBase64Escape, _decodeBase64Escape, _decodeEscaped, _eofAsNextChar, _getByteArrayBuilder, _handleEOF, _releaseBuffers, _reportMismatchedEndMarker, close, convertNumberToBigDecimal, convertNumberToBigInteger, convertNumberToDouble, convertNumberToInt, convertNumberToLong, getBigIntegerValue, getDecimalValue, getDoubleValue, getFloatValue, getIntValue, getLongValue, getNumberType, getNumberValue, getParsingContext, getTokenCharacterOffset, getTokenColumnNr, getTokenLineNr, isClosed, loadMoreGuaranteed, overrideCurrentName, reportInvalidBase64Char, reportInvalidBase64Char, reportInvalidNumber, reportOverflowInt, reportOverflowLong, reportUnexpectedNumberChar, reset, resetAsNaN, resetFloat, resetInt

Methods inherited from class com.fasterxml.jackson.core.base.ParserMinimalBase

_ascii, _asciiBytes, _constructError, _decodeBase64, _getCharDesc, _handleUnrecognizedCharacterEscape, _hasTextualNull, _reportBase64EOF, _reportError, _reportInvalidBase64, _reportInvalidEOF, _reportInvalidEOF, _reportInvalidEOFInValue, _reportMissingRootWS, _reportUnexpectedChar, _throwInternal, _throwInvalidSpace, _throwUnquotedSpace, _wrapError, clearCurrentToken, getCurrentToken, getCurrentTokenId, getLastClearedToken, getValueAsBoolean, getValueAsDouble, getValueAsInt, getValueAsLong, getValueAsString, hasCurrentToken, nextValue, skipChildren

Methods inherited from class com.fasterxml.jackson.core.JsonParser

_codec, _constructError, _reportUnsupportedOperation, canUseSchema, configure, disable, enable, getBinaryValue, getBooleanValue, getByteValue, getFeatureMask, getInputSource, getSchema, getShortValue, getValueAsBoolean, getValueAsDouble, getValueAsInt, getValueAsLong, getValueAsString, isEnabled, isExpectedStartArrayToken, nextBooleanValue, nextFieldName, nextIntValue, nextLongValue, nextTextValue, readBinaryValue, readBinaryValue, readValueAs, readValueAs, readValueAsTree, readValuesAs, readValuesAs, releaseBuffered, releaseBuffered, requiresCustomCodec, setFeatureMask, setSchema

Methods inherited from class java.lang.Object

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

Field Detail

_objectCodec

protected com.fasterxml.jackson.core.ObjectCodec _objectCodec

Codec used for data binding when (if) requested.

_yamlFeatures

protected int _yamlFeatures

_reader

protected final Reader _reader

Need to keep track of underlying Reader to be able to auto-close it (if required to)

_yamlParser

protected final org.yaml.snakeyaml.parser.ParserImpl _yamlParser

_lastEvent

protected org.yaml.snakeyaml.events.Event _lastEvent

Keep track of the last event read, to get access to Location info

_textValue

protected String _textValue

We need to keep track of text values.

_currentFieldName

protected String _currentFieldName

Let's also have a local copy of the current field name

_currentIsAlias

protected boolean _currentIsAlias

Flag that is set when current token was derived from an Alias (reference to another value's anchor)

Since:

2.1

_currentAnchor

protected String _currentAnchor

Anchor for the value that parser currently points to: in case of structured types, value whose first token current token is.

Constructor Detail

YAMLParser

public YAMLParser(com.fasterxml.jackson.core.io.IOContext ctxt,
          com.fasterxml.jackson.core.util.BufferRecycler br,
          int parserFeatures,
          int csvFeatures,
          com.fasterxml.jackson.core.ObjectCodec codec,
          Reader reader)

Method Detail

getCodec

public com.fasterxml.jackson.core.ObjectCodec getCodec()

Specified by:

getCodec in class com.fasterxml.jackson.core.JsonParser

setCodec

public void setCodec(com.fasterxml.jackson.core.ObjectCodec c)

Specified by:

setCodec in class com.fasterxml.jackson.core.JsonParser

isCurrentAlias

public boolean isCurrentAlias()

Method that can be used to check whether current token was created from YAML Alias token (reference to an anchor).

Since:

2.1

getCurrentAnchor

@Deprecated
public String getCurrentAnchor()

Deprecated. Since 2.3 (was added in 2.1) -- use getObjectId() instead

Method that can be used to check if the current token has an associated anchor (id to reference via Alias)

version

public com.fasterxml.jackson.core.Version version()

Specified by:

version in interface com.fasterxml.jackson.core.Versioned

Overrides:

version in class com.fasterxml.jackson.core.base.ParserBase

loadMore

protected boolean loadMore()
                    throws IOException

Specified by:

loadMore in class com.fasterxml.jackson.core.base.ParserBase

Throws:

IOException

_finishString

protected void _finishString()
                      throws IOException,
                             com.fasterxml.jackson.core.JsonParseException

Specified by:

_finishString in class com.fasterxml.jackson.core.base.ParserBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

_closeInput

protected void _closeInput()
                    throws IOException

Specified by:

_closeInput in class com.fasterxml.jackson.core.base.ParserBase

Throws:

IOException

enable

public com.fasterxml.jackson.core.JsonParser enable(YAMLParser.Feature f)

Method for enabling specified CSV feature (check YAMLParser.Feature for list of features)

disable

public com.fasterxml.jackson.core.JsonParser disable(YAMLParser.Feature f)

Method for disabling specified CSV feature (check YAMLParser.Feature for list of features)

configure

public com.fasterxml.jackson.core.JsonParser configure(YAMLParser.Feature f,
                                              boolean state)

Method for enabling or disabling specified CSV feature (check YAMLParser.Feature for list of features)

isEnabled

public boolean isEnabled(YAMLParser.Feature f)

Method for checking whether specified CSV YAMLParser.Feature is enabled.

getTokenLocation

public com.fasterxml.jackson.core.JsonLocation getTokenLocation()

Overrides:

getTokenLocation in class com.fasterxml.jackson.core.base.ParserBase

getCurrentLocation

public com.fasterxml.jackson.core.JsonLocation getCurrentLocation()

Overrides:

getCurrentLocation in class com.fasterxml.jackson.core.base.ParserBase

_locationFor

protected com.fasterxml.jackson.core.JsonLocation _locationFor(org.yaml.snakeyaml.error.Mark m)

nextToken

public com.fasterxml.jackson.core.JsonToken nextToken()
                                               throws IOException,
                                                      com.fasterxml.jackson.core.JsonParseException

Specified by:

nextToken in class com.fasterxml.jackson.core.base.ParserMinimalBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

_decodeScalar

protected com.fasterxml.jackson.core.JsonToken _decodeScalar(org.yaml.snakeyaml.events.ScalarEvent scalar)

_matchYAMLBoolean

protected Boolean _matchYAMLBoolean(String value,
                        int len)

_decodeNumberScalar

protected com.fasterxml.jackson.core.JsonToken _decodeNumberScalar(String value,
                                                       int len)

hasTextCharacters

public boolean hasTextCharacters()

Overrides:

hasTextCharacters in class com.fasterxml.jackson.core.base.ParserBase

getText

public String getText()
               throws IOException,
                      com.fasterxml.jackson.core.JsonParseException

Specified by:

getText in class com.fasterxml.jackson.core.base.ParserMinimalBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

getCurrentName

public String getCurrentName()
                      throws IOException,
                             com.fasterxml.jackson.core.JsonParseException

Overrides:

getCurrentName in class com.fasterxml.jackson.core.base.ParserBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

getTextCharacters

public char[] getTextCharacters()
                         throws IOException,
                                com.fasterxml.jackson.core.JsonParseException

Specified by:

getTextCharacters in class com.fasterxml.jackson.core.base.ParserMinimalBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

getTextLength

public int getTextLength()
                  throws IOException,
                         com.fasterxml.jackson.core.JsonParseException

Specified by:

getTextLength in class com.fasterxml.jackson.core.base.ParserMinimalBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

getTextOffset

public int getTextOffset()
                  throws IOException,
                         com.fasterxml.jackson.core.JsonParseException

Specified by:

getTextOffset in class com.fasterxml.jackson.core.base.ParserMinimalBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

getEmbeddedObject

public Object getEmbeddedObject()
                         throws IOException,
                                com.fasterxml.jackson.core.JsonParseException

Overrides:

getEmbeddedObject in class com.fasterxml.jackson.core.base.ParserBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

getBinaryValue

public byte[] getBinaryValue(com.fasterxml.jackson.core.Base64Variant variant)
                      throws IOException,
                             com.fasterxml.jackson.core.JsonParseException

Specified by:

getBinaryValue in class com.fasterxml.jackson.core.base.ParserMinimalBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

_parseNumericValue

protected void _parseNumericValue(int expType)
                           throws IOException,
                                  com.fasterxml.jackson.core.JsonParseException

Overrides:

_parseNumericValue in class com.fasterxml.jackson.core.base.ParserBase

Throws:

IOException

com.fasterxml.jackson.core.JsonParseException

canReadObjectId

public boolean canReadObjectId()

Overrides:

canReadObjectId in class com.fasterxml.jackson.core.JsonParser

canReadTypeId

public boolean canReadTypeId()

Overrides:

canReadTypeId in class com.fasterxml.jackson.core.JsonParser

getObjectId

public String getObjectId()
                   throws IOException,
                          com.fasterxml.jackson.core.JsonGenerationException

Overrides:

getObjectId in class com.fasterxml.jackson.core.JsonParser

Throws:

IOException

com.fasterxml.jackson.core.JsonGenerationException

getTypeId

public String getTypeId()
                 throws IOException,
                        com.fasterxml.jackson.core.JsonGenerationException

Overrides:

getTypeId in class com.fasterxml.jackson.core.JsonParser

Throws:

IOException

com.fasterxml.jackson.core.JsonGenerationException