Package software.amazon.awssdk.http

Interface SdkHttpHeaders

All Known Subinterfaces:

SdkHttpFullRequest, SdkHttpFullRequest.Builder, SdkHttpFullResponse, SdkHttpRequest, SdkHttpResponse

All Known Implementing Classes:

DefaultSdkHttpFullRequest, DefaultSdkHttpFullRequest.Builder

public interface SdkHttpHeaders

Method Summary

Modifier and Type	Method	Description
default Optional<String>	getFirstHeaderValue(String header)	Gets the first value of the given header, if it's present.
Map<String,List<String>>	getHeaders()	Returns the HTTP headers returned with this object.
default Collection<String>	getValuesForHeader(String header)	Returns the list of values for a given header.

Method Detail

getHeaders

Map<String,List<String>> getHeaders()

Returns the HTTP headers returned with this object.
Should never be null, if there are no headers an empty map is returned

Returns:

The HTTP headers.

getValuesForHeader

default Collection<String> getValuesForHeader(String header)

Returns the list of values for a given header.
Ignores the case of the header when performing the get

Parameters:

header - the header to look for

Returns:

the list of values associated with the header

getFirstHeaderValue

default Optional<String> getFirstHeaderValue(String header)

Gets the first value of the given header, if it's present.
This is useful for headers like 'Content-Type' or 'Content-Length' of which there is expected to be only one value if present.

Parameters:

header - Name of header to get first value for.

Returns:

Empty optional if header is not present, otherwise fulfilled optional containing first value of the header.