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, java.io.Closeable, java.lang.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 deal with it.

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 java.lang.String	_currentAnchor Anchor for the value that parser currently points to: in case of structured types, value whose first token current token is.
protected java.lang.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 java.io.Reader	_reader Need to keep track of underlying Reader to be able to auto-close it (if required to)
protected java.lang.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_1, INT_2, INT_3, INT_4, INT_5, INT_6, INT_7, INT_8, INT_9, INT_DECIMAL_POINT, INT_e, INT_E, 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_APOSTROPHE, INT_ASTERISK, INT_b, INT_BACKSLASH, INT_COLON, INT_COMMA, INT_CR, INT_f, INT_LBRACKET, INT_LCURLY, INT_LF, INT_n, INT_QUOTE, INT_r, INT_RBRACKET, INT_RCURLY, INT_SLASH, INT_SPACE, INT_t, INT_TAB, INT_u

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, java.io.Reader reader)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	_closeInput()
protected com.fasterxml.jackson.core.JsonToken	_decodeNumberScalar(java.lang.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 java.lang.Boolean	_matchYAMLBoolean(java.lang.String value, int len)
protected void	_parseNumericValue(int expType)
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()
java.lang.String	getCurrentAnchor() Method that can be used to check if the current token has an associated anchor (id to reference via Alias)
com.fasterxml.jackson.core.JsonLocation	getCurrentLocation()
java.lang.String	getCurrentName()
java.lang.Object	getEmbeddedObject()
java.lang.String	getText()
char[]	getTextCharacters()
int	getTextLength()
int	getTextOffset()
com.fasterxml.jackson.core.JsonLocation	getTokenLocation()
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, _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

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

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

_constructError, _reportUnsupportedOperation, canUseSchema, configure, disable, enable, getBinaryValue, getBooleanValue, getByteValue, 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, 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 java.io.Reader _reader

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

_yamlParser

protected 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 java.lang.String _textValue

We need to keep track of text values.

_currentFieldName

protected java.lang.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 java.lang.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,
          java.io.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

public java.lang.String getCurrentAnchor()

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

Since:

2.1

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 java.io.IOException

Specified by:

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

Throws:

java.io.IOException

_finishString

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

Specified by:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

_closeInput

protected void _closeInput()
                    throws java.io.IOException

Specified by:

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

Throws:

java.io.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 java.io.IOException,
                                                      com.fasterxml.jackson.core.JsonParseException

Specified by:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

_decodeScalar

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

_matchYAMLBoolean

protected java.lang.Boolean _matchYAMLBoolean(java.lang.String value,
                                  int len)

_decodeNumberScalar

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

hasTextCharacters

public boolean hasTextCharacters()

Overrides:

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

getText

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

Specified by:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

getCurrentName

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

Overrides:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

getTextCharacters

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

Specified by:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

getTextLength

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

Specified by:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

getTextOffset

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

Specified by:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

getEmbeddedObject

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

Overrides:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

getBinaryValue

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

Specified by:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException

_parseNumericValue

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

Overrides:

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

Throws:

java.io.IOException

com.fasterxml.jackson.core.JsonParseException