Package io.opentelemetry.api.baggage.propagation

Class Parser

java.lang.Object

io.opentelemetry.api.baggage.propagation.Parser

class Parser
extends Object

Implements single-pass Baggage parsing in accordance with https://w3c.github.io/baggage/ Key / value are restricted in accordance with https://www.ietf.org/rfc/rfc2616.txt.

Note: following aspects are not specified in RFC: - some invalid elements (key or value) - parser will include valid ones, disregard invalid - empty "value" is regarded as invalid - meta - anything besides element terminator (comma).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static enum	Parser.State

Field Summary

Fields

Modifier and Type	Field	Description
private final String	baggageHeader
private final Element	key
private String	meta
private int	metaStart
private boolean	skipToNext
private Parser.State	state
private final Element	value

Constructor Summary

Constructors

Constructor	Description
Parser(String baggageHeader)

Method Summary

Modifier and Type	Method	Description
private static String	decodeValue(String value)
(package private) void	parseInto(BaggageBuilder baggageBuilder)
private static void	putBaggage(BaggageBuilder baggage, String key, String value, String metadataValue)
private void	reset(int index)	Resets parsing state, preparing to start a new list element (see spec).
private void	setState(Parser.State state, int start)	Switches parser state (element of a list member).

Methods inherited from class java.lang.Object

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

Field Details

baggageHeader

private final String baggageHeader

key

private final Element key

value

private final Element value

meta

private String meta

state

private Parser.State state

metaStart

private int metaStart

skipToNext

private boolean skipToNext

Constructor Details

Parser

Parser(String baggageHeader)

Method Details

parseInto

void parseInto(BaggageBuilder baggageBuilder)

putBaggage

private static void putBaggage(BaggageBuilder baggage,
 @Nullable
 String key,
 @Nullable
 String value,
 @Nullable
 String metadataValue)

decodeValue

@Nullable
private static String decodeValue(@Nullable
 String value)

reset

private void reset(int index)

Resets parsing state, preparing to start a new list element (see spec).

Parameters:

index - index where parser should start new element scan

setState

private void setState(Parser.State state,
 int start)

Switches parser state (element of a list member).