Example usage for io.netty.handler.codec.http DefaultFullHttpResponse trailingHeaders

Introduction

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Prototype

HttpHeaders trailingHeaders

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Usage

From source file:org.ebayopensource.scc.cache.NettyResponseDeserializer.java

License:Apache License

@Override
public FullHttpResponse deserialize(CacheResponse cacheResp) {
    CompositeByteBuf byteBuf = UnpooledByteBufAllocator.DEFAULT.compositeBuffer();
    if (cacheResp.getContent() != null) {
        byteBuf.capacity(cacheResp.getContent().length);
        byteBuf.setBytes(0, cacheResp.getContent());
        byteBuf.writerIndex(cacheResp.getContent().length);
    }/*w  ww.  ja va 2  s .  co  m*/
    DefaultFullHttpResponse response = new DefaultFullHttpResponse(
            HttpVersion.valueOf(cacheResp.getProtocalVersion()),
            new HttpResponseStatus(cacheResp.getCode(), cacheResp.getReasonPhrase()), byteBuf, true);
    HttpHeaders headers = response.headers();
    List<CacheEntry<String, String>> cacheHeaders = cacheResp.getHeaders();
    for (Entry<String, String> entry : cacheHeaders) {
        headers.add(entry.getKey(), entry.getValue());
    }

    HttpHeaders trailingHeaders = response.trailingHeaders();
    List<CacheEntry<String, String>> cacheTrailingHeaders = cacheResp.getTrailingHeaders();
    for (Entry<String, String> entry : cacheTrailingHeaders) {
        trailingHeaders.add(entry.getKey(), entry.getValue());
    }

    return response;
}

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From source file:org.ebayopensource.scc.cache.NettyResponseSerializerTest.java

License:Apache License

@Test
public void testSerialize() {
    NettyResponseSerializer serializer = new NettyResponseSerializer();

    DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_0, HttpResponseStatus.OK);
    CacheResponse cacheRes = serializer.serialize(response);
    assertNotNull(cacheRes);//from www. ja  v  a  2s  . c om
    assertEquals(HttpVersion.HTTP_1_0.toString(), cacheRes.getProtocalVersion());
    assertEquals(HttpResponseStatus.OK.code(), cacheRes.getCode());
    assertEquals(0, cacheRes.getContent().length);
    assertTrue(cacheRes.getHeaders().get(0).getKey().equals("Content-Length"));
    assertTrue(cacheRes.getTrailingHeaders().isEmpty());

    ByteBuf content = new EmptyByteBuf(ByteBufAllocator.DEFAULT);
    response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_0, HttpResponseStatus.OK, content);
    cacheRes = serializer.serialize(response);
    assertEquals(0, cacheRes.getContent().length);

    content = UnpooledByteBufAllocator.DEFAULT.buffer();
    content.writeBytes("Hello, World!".getBytes());
    response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_0, HttpResponseStatus.OK, content);
    cacheRes = serializer.serialize(response);
    assertEquals("Hello, World!", new String(cacheRes.getContent()));

    HttpHeaders headers = response.headers();
    headers.add("header1", "value1");

    HttpHeaders trailingHeaders = response.trailingHeaders();
    trailingHeaders.add("tHeader2", "value2");

    cacheRes = serializer.serialize(response);
    Entry<String, String> header = cacheRes.getHeaders().get(0);
    assertEquals("header1", header.getKey());
    assertEquals("value1", header.getValue());

    Entry<String, String> tHeader = cacheRes.getTrailingHeaders().get(0);
    assertEquals("tHeader2", tHeader.getKey());
    assertEquals("value2", tHeader.getValue());
}

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