Package io.opentelemetry.api.baggage.propagation

Class Element

java.lang.Object

io.opentelemetry.api.baggage.propagation.Element

class Element
extends java.lang.Object

Represents single element of a W3C baggage header (key or value). Allows tracking parsing of a header string, keeping the state and validating allowed characters. Parsing state can be reset with reset(int) allowing instance re-use.

Field Summary

Fields

Modifier and Type	Field	Description
private int	end
private java.util.BitSet	excluded
private static java.util.BitSet	EXCLUDED_KEY_CHARS
private static java.util.BitSet	EXCLUDED_VALUE_CHARS
private boolean	leadingSpace
private boolean	readingValue
private int	start
private boolean	trailingSpace
private java.lang.String	value

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Element(java.util.BitSet excluded)	Constructs element instance.

Method Summary

Modifier and Type	Method	Description
(package private) static Element	createKeyElement()
(package private) static Element	createValueElement()
(package private) java.lang.String	getValue()
private boolean	isExcluded(char character)
private static boolean	isWhitespace(char character)
private void	markEnd(int end)
private void	markStart(int start)
(package private) void	reset(int start)
private void	setValue(java.lang.String header)
(package private) boolean	tryNextChar(char character, int index)
private boolean	tryNextTokenChar(int index)
private boolean	tryNextWhitespace(int index)
(package private) boolean	tryTerminating(int index, java.lang.String header)

Methods inherited from class java.lang.Object

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

Field Detail

EXCLUDED_KEY_CHARS

private static final java.util.BitSet EXCLUDED_KEY_CHARS

EXCLUDED_VALUE_CHARS

private static final java.util.BitSet EXCLUDED_VALUE_CHARS

excluded

private final java.util.BitSet excluded

leadingSpace

private boolean leadingSpace

readingValue

private boolean readingValue

trailingSpace

private boolean trailingSpace

start

private int start

end

private int end

value

@Nullable
private java.lang.String value

Constructor Detail

Element

private Element(java.util.BitSet excluded)

Constructs element instance.

Parameters:

excluded - characters that are not allowed for this type of an element

Method Detail

createKeyElement

static Element createKeyElement()

createValueElement

static Element createValueElement()

getValue

@Nullable
java.lang.String getValue()

reset

void reset(int start)

tryTerminating

boolean tryTerminating(int index,
                       java.lang.String header)

markEnd

private void markEnd(int end)

setValue

private void setValue(java.lang.String header)

tryNextChar

boolean tryNextChar(char character,
                    int index)

isWhitespace

private static boolean isWhitespace(char character)

tryNextWhitespace

private boolean tryNextWhitespace(int index)

isExcluded

private boolean isExcluded(char character)

tryNextTokenChar

private boolean tryNextTokenChar(int index)

markStart

private void markStart(int start)