Module io.helidon.common.http

Package io.helidon.common.http

Class Tokenizer

java.lang.Object

io.helidon.common.http.Tokenizer

public final class Tokenizer
extends Object

String tokenizer for parsing headers.

Constructor Summary

Constructors

Constructor	Description
Tokenizer(String input)	Create a new instance.

Method Summary

Modifier and Type	Method	Description
char	consumeCharacter(char c)	Get the one character at the current position and matches it with the specified character and update the position to the next character.
char	consumeCharacter(CharMatcher matcher)	Get the one character at the current position and matches it with the specified matcher, then update the position to the next character.
String	consumeToken(CharMatcher matcher)	Get the token represented by the specified matcher and advance the position the to next character.
String	consumeTokenIfPresent(CharMatcher matcher)	Get the token represented by the specified matcher and advance the position the to next character if matched.
boolean	hasMore()	Test if there are more characters to process.
static String	normalize(CharMatcher matcher, String token)	Verify that the given token matches the specified matcher and return a lower case only token string.
char	previewChar()	Get the character at the current position.

Methods inherited from class java.lang.Object

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

Constructor Detail

Tokenizer

public Tokenizer(String input)

Create a new instance.

Parameters:

input - string to parse

Method Detail

consumeTokenIfPresent

public String consumeTokenIfPresent(CharMatcher matcher)

Get the token represented by the specified matcher and advance the position the to next character if matched.

Parameters:

matcher - matcher to use

Returns:

token matched, or null if not matched

Throws:

IllegalStateException - if hasMore() returns false

consumeToken

public String consumeToken(CharMatcher matcher)

Get the token represented by the specified matcher and advance the position the to next character.

Parameters:

matcher - matcher to use

Returns:

IllegalStateException if hasMore() returns false or if the matcher wasn't matched.

consumeCharacter

public char consumeCharacter(CharMatcher matcher)

Get the one character at the current position and matches it with the specified matcher, then update the position to the next character.

Parameters:

matcher - matcher to use

Returns:

consumed character

Throws:

IllegalStateException - if hasMore() returns false or if the specified matcher does not match the character at the current position

consumeCharacter

public char consumeCharacter(char c)

Get the one character at the current position and matches it with the specified character and update the position to the next character.

Parameters:

c - character to match

Returns:

matched character

Throws:

IllegalStateException - if hasMore() returns false or if the specified character does not match the character at the current position

previewChar

public char previewChar()

Get the character at the current position.

Returns:

char

Throws:

IllegalStateException - if hasMore() returns false

hasMore

public boolean hasMore()

Test if there are more characters to process.

Returns:

true if there are more characters to process, false otherwise

normalize

public static String normalize(CharMatcher matcher,
                               String token)

Verify that the given token matches the specified matcher and return a lower case only token string.

Parameters:

matcher - matcher to use

token - input token

Returns:

normalized token string (lower case only)