Java Http2Headers.add方法代码示例

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
/**
 * Converts the specified Armeria HTTP/2 headers into Netty HTTP/2 headers.
 */
public static Http2Headers toNettyHttp2(HttpHeaders in) {
    final Http2Headers out = new DefaultHttp2Headers(false, in.size());
    out.set(in);
    out.remove(HttpHeaderNames.CONNECTION);
    out.remove(HttpHeaderNames.TRANSFER_ENCODING);
    out.remove(HttpHeaderNames.TRAILER);

    if (!out.contains(HttpHeaderNames.COOKIE)) {
        return out;
    }

    // Split up cookies to allow for better compression.
    // https://tools.ietf.org/html/rfc7540#section-8.1.2.5
    final List<CharSequence> cookies = out.getAllAndRemove(HttpHeaderNames.COOKIE);
    for (CharSequence c : cookies) {
        out.add(HttpHeaderNames.COOKIE, COOKIE_SPLITTER.split(c));
    }

    return out;
}
 

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
private void respondWithHttpError(
    ChannelHandlerContext ctx, int streamId, int code, Status.Code statusCode, String msg) {
  Metadata metadata = new Metadata();
  metadata.put(InternalStatus.CODE_KEY, statusCode.toStatus());
  metadata.put(InternalStatus.MESSAGE_KEY, msg);
  byte[][] serialized = InternalMetadata.serialize(metadata);

  Http2Headers headers = new DefaultHttp2Headers(true, serialized.length / 2)
      .status("" + code)
      .set(CONTENT_TYPE_HEADER, "text/plain; encoding=utf-8");
  for (int i = 0; i < serialized.length; i += 2) {
    headers.add(new AsciiString(serialized[i], false), new AsciiString(serialized[i + 1], false));
  }
  encoder().writeHeaders(ctx, streamId, headers, 0, false, ctx.newPromise());
  ByteBuf msgBuf = ByteBufUtil.writeUtf8(ctx.alloc(), msg);
  encoder().writeData(ctx, streamId, msgBuf, 0, true, ctx.newPromise());
}
 

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
@Test
public void basicCorrectness() {
  Http2Headers headers = new GrpcHttp2RequestHeaders(1);
  headers.add(of(":method"), of("POST"));
  headers.add(of("content-type"), of("application/grpc+proto"));
  headers.add(of(":path"), of("/google.pubsub.v2.PublisherService/CreateTopic"));
  headers.add(of(":scheme"), of("https"));
  headers.add(of("te"), of("trailers"));
  headers.add(of(":authority"), of("pubsub.googleapis.com"));
  headers.add(of("foo"), of("bar"));

  assertEquals(7, headers.size());
  // Number of headers without the pseudo headers and 'te' header.
  assertEquals(2, ((GrpcHttp2InboundHeaders)headers).numHeaders());

  assertEquals(of("application/grpc+proto"), headers.get(of("content-type")));
  assertEquals(of("/google.pubsub.v2.PublisherService/CreateTopic"), headers.path());
  assertEquals(of("https"), headers.scheme());
  assertEquals(of("POST"), headers.method());
  assertEquals(of("pubsub.googleapis.com"), headers.authority());
  assertEquals(of("trailers"), headers.get(of("te")));
  assertEquals(of("bar"), headers.get(of("foo")));
}
 

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
@Test
public void binaryHeadersShouldBeBase64Decoded() {
  Http2Headers headers = new GrpcHttp2RequestHeaders(1);

  byte[] data = new byte[100];
  new Random().nextBytes(data);
  headers.add(of("foo-bin"), of(BaseEncoding.base64().encode(data)));

  assertEquals(1, headers.size());

  byte[][] namesAndValues = ((GrpcHttp2InboundHeaders)headers).namesAndValues();

  assertEquals(of("foo-bin"), new AsciiString(namesAndValues[0]));
  assertNotSame(data, namesAndValues[1]);
  assertArrayEquals(data, namesAndValues[1]);
}
 

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
private static Http2Headers createResponseHeadersFromRequestHeaders(
        Http2Headers requestHeaders) {
    // Create response headers by echoing request headers.
    Http2Headers responseHeaders = new DefaultHttp2Headers().status(OK.codeAsText());
    for (Map.Entry<CharSequence, CharSequence> header : requestHeaders) {
        if (!header.getKey().toString().startsWith(":")) {
            responseHeaders.add("echo-" + header.getKey(), header.getValue());
        }
    }

    responseHeaders.add("echo-method", requestHeaders.get(":method").toString());
    return responseHeaders;
}
 

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
@Test
public void inboundCookiesMustBeMergedForHttp2() {
    final Http2Headers in = new DefaultHttp2Headers();

    in.add(HttpHeaderNames.COOKIE, "a=b; c=d");
    in.add(HttpHeaderNames.COOKIE, "e=f;g=h");
    in.addObject(HttpHeaderNames.CONTENT_TYPE, MediaType.PLAIN_TEXT_UTF_8);
    in.add(HttpHeaderNames.COOKIE, "i=j");
    in.add(HttpHeaderNames.COOKIE, "k=l;");

    final HttpHeaders out = toArmeria(in);

    assertThat(out.getAll(HttpHeaderNames.COOKIE))
            .containsExactly("a=b; c=d; e=f; g=h; i=j; k=l");
}
 

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
default Http2Headers http2Headers() {
  Http2Headers result = new DefaultHttp2Headers();
  for (Entry<CharSequence, CharSequence> entry : this) {
    result.add(entry.getKey(), entry.getValue());
  }
  return result;
}
 

import io.netty.handler.codec.http2.Http2Headers; //导入方法依赖的package包/类
@Test
public void testAddHeaders() {
  Http2Headers other = new DefaultHttp2Headers();
  other.add("header", "value");
  headers.add(other);
  assertEquals(other, headers.delegate());
  assertEquals("value", headers.delegate().get("header"));
}