Examples of org.apache.http.impl.client.DefaultConnectionKeepAliveStrategy

org.apache.http.impl.client.DefaultConnectionKeepAliveStrategy
Default implementation of a strategy deciding duration that a connection can remain idle. The default implementation looks solely at the 'Keep-Alive' header's timeout token. @author Sam Berlin @version $Revision: $ @since 4.0

    @Test
    public void usesKeepAliveForPersistentConnections() throws Exception {
        configuration.setKeepAlive(Duration.seconds(1));
        assertThat(builder.using(configuration).createClient(apacheBuilder, connectionManager, "test")).isNotNull();


        final DefaultConnectionKeepAliveStrategy strategy =
                (DefaultConnectionKeepAliveStrategy) spyHttpClientBuilderField("keepAliveStrategy", apacheBuilder);
        final HttpContext context = mock(HttpContext.class);
        final HttpResponse response = mock(HttpResponse.class);
        when(response.headerIterator(HTTP.CONN_KEEP_ALIVE)).thenReturn(mock(HeaderIterator.class));


        assertThat(strategy.getKeepAliveDuration(response, context)).isEqualTo(1000);
    }

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    public void usesDefaultForNonPersistentConnections() throws Exception {
        configuration.setKeepAlive(Duration.seconds(1));
        assertThat(builder.using(configuration).createClient(apacheBuilder, connectionManager, "test")).isNotNull();


        final Field field = FieldUtils.getField(httpClientBuilderClass, "keepAliveStrategy", true);
        final DefaultConnectionKeepAliveStrategy strategy = (DefaultConnectionKeepAliveStrategy) field.get(apacheBuilder);
        final HttpContext context = mock(HttpContext.class);
        final HttpResponse response = mock(HttpResponse.class);
        final HeaderIterator iterator = new BasicListHeaderIterator(
                ImmutableList.<Header>of(new BasicHeader(HttpHeaders.CONNECTION, "timeout=50")),
                HttpHeaders.CONNECTION
        );
        when(response.headerIterator(HTTP.CONN_KEEP_ALIVE)).thenReturn(iterator);


        assertThat(strategy.getKeepAliveDuration(response, context)).isEqualTo(50000);
    }

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    protected ConnectionReuseStrategy createConnectionReuseStrategy() {
        return new DefaultConnectionReuseStrategy();
    }


    protected ConnectionKeepAliveStrategy createConnectionKeepAliveStrategy() {
        return new DefaultConnectionKeepAliveStrategy();
    }

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          }
        }
      }
    });


    client.setKeepAliveStrategy(new DefaultConnectionKeepAliveStrategy()
    {
      @Override
      public long getKeepAliveDuration(HttpResponse response, HttpContext context)
      {
        // Honor 'keep-alive' header

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            httpClientBuilder.setConnectionReuseStrategy(new NoConnectionReuseStrategy());
        } else {
            httpClientBuilder.setConnectionReuseStrategy(new DefaultConnectionReuseStrategy());
            // either keep alive based on response header Keep-Alive,
            // or if the server can keep a persistent connection (-1), then override based on client's configuration
            httpClientBuilder.setKeepAliveStrategy(new DefaultConnectionKeepAliveStrategy() {
                @Override
                public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
                    final long duration = super.getKeepAliveDuration(response, context);
                    return (duration == -1) ? keepAlive : duration;
                }

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