Package io.micronaut.http.util

Class HttpHeadersUtil

java.lang.Object

io.micronaut.http.util.HttpHeadersUtil

public final class HttpHeadersUtil
extends Object

Utility class to work with HttpHeaders or HTTP Headers.

Since:

3.8.0

Author:

Sergio del Amo

Method Summary

Modifier and Type	Method	Description
static @NonNull Charset	parseAcceptCharset(@NonNull String acceptCharsetHeaderValue)
static @NonNull Charset	parseCharacterEncoding(@Nullable MediaType contentType, @NonNull Charset acceptCharset)	Resolve the Charset to use for the request.
static @NonNull Charset	parseCharacterEncoding(@Nullable String contentTypeHeaderValue, @Nullable String acceptCharsetHeaderValue)	Resolve the Charset to use for request identified by the Content-Type HTTP Header value and the Accept-Charset HTTP Header value.
static @Nullable String	splitAcceptHeader(@NonNull String text)	Split an accept-x header and get the first component.
static void	trace(@NonNull org.slf4j.Logger log, @NonNull HttpHeaders httpHeaders)	Trace HTTP Headers.
static void	trace(@NonNull org.slf4j.Logger log, @NonNull String name, @NonNull Function<String,List<String>> getAllHeaders)	Trace HTTP Headers.
static void	trace(@NonNull org.slf4j.Logger log, @NonNull Supplier<Set<String>> namesSupplier, @NonNull Function<String,List<String>> getAllHeaders)	Trace HTTP Headers.
static void	trace(@NonNull org.slf4j.Logger log, @NonNull Set<String> names, @NonNull Function<String,List<String>> getAllHeaders)	Trace HTTP Headers.

Methods inherited from class java.lang.Object

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

Method Details

trace

public static void trace(@NonNull
 @NonNull org.slf4j.Logger log,
 @NonNull
 @NonNull HttpHeaders httpHeaders)

Trace HTTP Headers.

Parameters:

log - Logger

httpHeaders - HTTP Headers

trace

public static void trace(@NonNull
 @NonNull org.slf4j.Logger log,
 @NonNull
 @NonNull Set<String> names,
 @NonNull
 @NonNull Function<String,List<String>> getAllHeaders)

Trace HTTP Headers.

Parameters:

log - Logger

names - HTTP Header names

getAllHeaders - Function to get all the header values for a particular header name

trace

public static void trace(@NonNull
 @NonNull org.slf4j.Logger log,
 @NonNull
 @NonNull Supplier<Set<String>> namesSupplier,
 @NonNull
 @NonNull Function<String,List<String>> getAllHeaders)

Trace HTTP Headers.

Parameters:

log - Logger

namesSupplier - HTTP Header names Provider

getAllHeaders - Function to get all the header values for a particular header name

trace

public static void trace(@NonNull
 @NonNull org.slf4j.Logger log,
 @NonNull
 @NonNull String name,
 @NonNull
 @NonNull Function<String,List<String>> getAllHeaders)

Trace HTTP Headers.

Parameters:

log - Logger

name - HTTP Header name

getAllHeaders - Function to get all the header values for a particular header name

splitAcceptHeader

@Internal
@Nullable
public static @Nullable String splitAcceptHeader(@NonNull
 @NonNull String text)

Split an accept-x header and get the first component. If the header is *, return null.

Parameters:

text - The input header

Returns:

The first part of the header, or null if the header is *

Since:

4.0.0

parseCharacterEncoding

@NonNull
public static @NonNull Charset parseCharacterEncoding(@Nullable
 @Nullable String contentTypeHeaderValue,
 @Nullable
 @Nullable String acceptCharsetHeaderValue)

Resolve the Charset to use for request identified by the Content-Type HTTP Header value and the Accept-Charset HTTP Header value.

Parameters:

contentTypeHeaderValue - Content-Type HTTP Header Value

acceptCharsetHeaderValue - Accept-Charset HTTP Header Value

Returns:

A Charset

Since:

4.8.8

parseCharacterEncoding

@NonNull
public static @NonNull Charset parseCharacterEncoding(@Nullable
 @Nullable MediaType contentType,
 @NonNull
 @NonNull Charset acceptCharset)

Resolve the Charset to use for the request.

Parameters:

contentType - ContenType

acceptCharset - Accept Charset

Returns:

An Optional of Charset

Since:

4.8.8

parseAcceptCharset

@NonNull
public static @NonNull Charset parseAcceptCharset(@NonNull
 @NonNull String acceptCharsetHeaderValue)

Parameters:

acceptCharsetHeaderValue - Accept-Charset HeaderValue

Returns:

Accept Charset

Since:

4.8.8