Module io.helidon.http.media

Package io.helidon.http.media

Class EntityWriterBase<T>

java.lang.Object

io.helidon.http.media.EntityWriterBase<T>

Type Parameters:

T - type of the supported object

All Implemented Interfaces:

EntityWriter<T>

public abstract class EntityWriterBase<T>
extends Object
implements EntityWriter<T>

Base class for entity writers that care about charsets ands content types.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EntityWriterBase(MediaSupportConfig config)	Provide the media support config with default content type, and supported accepted media types.

Method Summary

Modifier and Type	Method	Description
protected Optional<Charset>	clientRequestContentTypeAndCharset(WritableHeaders<?> clientRequestHeaders)	Configure client request content type and return the charset to use.
protected Optional<Charset>	serverResponseContentTypeAndCharset(Headers serverRequestHeaders, WritableHeaders<?> serverResponseHeaders)	Configure server response content type and return charset to use.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.helidon.http.media.EntityWriter

instanceWriter, instanceWriter, supportsInstanceWriter, write, write

Constructor Details

EntityWriterBase

protected EntityWriterBase(MediaSupportConfig config)

Provide the media support config with default content type, and supported accepted media types.

Parameters:

config - Media Support configuration

Method Details

serverResponseContentTypeAndCharset

protected Optional<Charset> serverResponseContentTypeAndCharset(Headers serverRequestHeaders,
 WritableHeaders<?> serverResponseHeaders)

Configure server response content type and return charset to use.

Server response content type is handled as follows:

• If a content type is explicitly set, use it, and return its charset if configured
• If the default content type contains charset, set it, and return its charset
• Set the default content type and return an empty optional

Parameters:

serverRequestHeaders - server request header

serverResponseHeaders - server response headers (to configure content type)

Returns:

charset to use to write the response, if it could be guessed

clientRequestContentTypeAndCharset

protected Optional<Charset> clientRequestContentTypeAndCharset(WritableHeaders<?> clientRequestHeaders)

Configure client request content type and return the charset to use.

Parameters:

clientRequestHeaders - client request header (to get or configure content type)

Returns:

charset to use to write the request, if configured