Package io.opentelemetry.api.baggage.propagation

Class Parser

java.lang.Object

io.opentelemetry.api.baggage.propagation.Parser

class Parser
extends java.lang.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 class	Parser.State

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
Parser(java.lang.String baggageHeader)

Method Summary

Modifier and Type	Method	Description
private static java.lang.String	decodeValue(java.lang.String value)
(package private) void	parseInto(BaggageBuilder baggageBuilder)
private static void	putBaggage(BaggageBuilder baggage, java.lang.String key, java.lang.String value, java.lang.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 Detail

baggageHeader

private final java.lang.String baggageHeader

key

private final Element key

value

private final Element value

meta

private java.lang.String meta

state

private Parser.State state

metaStart

private int metaStart

skipToNext

private boolean skipToNext

Constructor Detail

Parser

Parser(java.lang.String baggageHeader)

Method Detail

parseInto

void parseInto(BaggageBuilder baggageBuilder)

putBaggage

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

decodeValue

@Nullable
private static java.lang.String decodeValue(@Nullable
                                            java.lang.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).