Si una request entrante no se valida correctamente, se enviará un response `400`.

## `GZipMiddleware` { #gzipmiddleware }

Maneja responses GZip para cualquier request que incluya `"gzip"` en el header `Accept-Encoding`.

El middleware manejará tanto responses estándar como en streaming.

{* ../../docs_src/advanced_middleware/tutorial003_py39.py hl[2,6] *}

Se soportan los siguientes argumentos:

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected AccessTokenCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends AccessToken> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected ElevateWordToLabelCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends ElevateWordToLabel> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected KeyMatchCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends KeyMatch> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected RelatedContentCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends RelatedContent> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected RelatedQueryCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends RelatedQuery> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected FavoriteLogCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends FavoriteLog> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected GroupCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends Group> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }

 *
 * <p>Duplicate hosts allow administrators to define hostname patterns that should
 * be treated as equivalent during crawling, helping to avoid duplicate content
 * from the same logical site accessed via different hostnames.</p>
 */
public class DuplicateHostPager implements Serializable {

    private static final long serialVersionUID = 1L;

    /** Default page size for pagination. */

        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected CrawlingInfoCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    protected <ENTITY extends CrawlingInfo> OptionalEntity<ENTITY> doSelectOptionalByPK(String id, Class<? extends ENTITY> tp) {
        return createOptionalEntity(doSelectByPK(id, tp), id);
    }