org.aoju.bus.http.internal.http.second

Interface PushObserver

public interface PushObserver

HTTP/2 only. Processes server-initiated HTTP requests on the client. Implementations must quickly dispatch callbacks to avoid creating a bottleneck.

While onReset(int, org.aoju.bus.http.internal.http.second.ErrorCode) may occur at any time, the following callbacks are expected in order, correlated by stream ID.

• onRequest(int, java.util.List<org.aoju.bus.http.internal.http.second.Header>)
• onHeaders(int, java.util.List<org.aoju.bus.http.internal.http.second.Header>, boolean) (unless canceled)
• onData(int, org.aoju.bus.core.io.segment.BufferSource, int, boolean) (optional sequence of data frames)

As a stream ID is scoped to a single HTTP/2 connection, implementations which target multiple connections should expect repetition of stream IDs.

Return true to request cancellation of a pushed stream. Note that this does not guarantee future frames won't arrive on the stream ID.

Since:

JDK 1.8+

Version:

5.2.8

Author:

Kimi Liu

Field Summary

Fields

Modifier and Type	Field and Description
static PushObserver	CANCEL

Method Summary

Modifier and Type	Method and Description
boolean	onData(int streamId, BufferSource source, int byteCount, boolean last)
boolean	onHeaders(int streamId, List<Header> responseHeaders, boolean last)
boolean	onRequest(int streamId, List<Header> requestHeaders)
void	onReset(int streamId, ErrorCode errorCode)

Field Detail

CANCEL

static final PushObserver CANCEL

Method Detail

onRequest

boolean onRequest(int streamId,
                  List<Header> requestHeaders)

onHeaders

boolean onHeaders(int streamId,
                  List<Header> responseHeaders,
                  boolean last)

onData

boolean onData(int streamId,
               BufferSource source,
               int byteCount,
               boolean last)
        throws IOException

Throws:

IOException

onReset

void onReset(int streamId,
             ErrorCode errorCode)