New Adapter: ReVantage

src/main/java/org/prebid/server/bidder/revantage/RevantageBidder.java

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+package org.prebid.server.bidder.revantage;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.iab.openrtb.request.BidRequest;
+import com.iab.openrtb.request.Imp;
+import com.iab.openrtb.response.Bid;
+import com.iab.openrtb.response.BidResponse;
+import com.iab.openrtb.response.SeatBid;
+import io.vertx.core.MultiMap;
+import io.vertx.core.http.HttpMethod;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.prebid.server.bidder.Bidder;
+import org.prebid.server.bidder.model.BidderBid;
+import org.prebid.server.bidder.model.BidderCall;
+import org.prebid.server.bidder.model.BidderError;
+import org.prebid.server.bidder.model.HttpRequest;
+import org.prebid.server.bidder.model.Result;
+import org.prebid.server.exception.PreBidException;
+import org.prebid.server.json.DecodeException;
+import org.prebid.server.json.JacksonMapper;
+import org.prebid.server.proto.openrtb.ext.ExtPrebid;
+import org.prebid.server.proto.openrtb.ext.request.revantage.ExtImpRevantage;
+import org.prebid.server.proto.openrtb.ext.response.BidType;
+import org.prebid.server.util.HttpUtil;
+
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+/**
+ * Prebid Server adapter for Revantage SSP.
+ *
+ * <p>Mirrors the Prebid.js client adapter (revantageBidAdapter.js): impressions
+ * are grouped by feedId and each feed becomes a separate POST to
+ * {@code https://bid.revantage.io/bid?feed=<feedId>}. The imp.ext payload is
+ * rewritten to the shape expected by the upstream endpoint:
+ *
+ * <pre>
+ * {
+ *   "feedId": "...",
+ *   "bidder": {
+ *     "placementId": "...",   // optional
+ *     "publisherId": "..."    // optional
+ *   }
+ * }
+ * </pre>
+ */
+public class RevantageBidder implements Bidder<BidRequest> {
+
+    private static final TypeReference<ExtPrebid<?, ExtImpRevantage>> REVANTAGE_EXT_TYPE_REFERENCE =
+            new TypeReference<>() {};
+
+    private static final String DEFAULT_CURRENCY = "USD";
+
+    private final String endpointUrl;
+    private final JacksonMapper mapper;
+
+    public RevantageBidder(String endpointUrl, JacksonMapper mapper) {
+        this.endpointUrl = HttpUtil.validateUrl(Objects.requireNonNull(endpointUrl));
+        this.mapper = Objects.requireNonNull(mapper);
+    }
+
+    @Override
+    public Result<List<HttpRequest<BidRequest>>> makeHttpRequests(BidRequest request) {
+        final List<BidderError> errors = new ArrayList<>();
+        // LinkedHashMap preserves first-seen feedId order for deterministic output.
+        final Map<String, List<Imp>> impsByFeed = new LinkedHashMap<>();
+
+        for (Imp imp : request.getImp()) {
+            try {
+                final ExtImpRevantage ext = parseImpExt(imp);
+                final String feedId = StringUtils.trimToNull(ext.getFeedId());
+                if (feedId == null) {
+                    throw new PreBidException("imp %s: missing required param feedId".formatted(imp.getId()));
+                }
+                final Imp rewrittenImp = rewriteImpExt(imp, feedId, ext);
+                impsByFeed.computeIfAbsent(feedId, k -> new ArrayList<>()).add(rewrittenImp);
+            } catch (PreBidException e) {
+                errors.add(BidderError.badInput(e.getMessage()));
+            }
+        }
+
+        if (impsByFeed.isEmpty()) {
+            return Result.withErrors(errors);
+        }
+
+        final List<HttpRequest<BidRequest>> requests = new ArrayList<>(impsByFeed.size());
+        for (Map.Entry<String, List<Imp>> entry : impsByFeed.entrySet()) {
+            final BidRequest outgoing = request.toBuilder().imp(entry.getValue()).build();
+            requests.add(buildHttpRequest(outgoing, entry.getKey()));
+        }
+        return Result.of(requests, errors);
+    }
+
+    private ExtImpRevantage parseImpExt(Imp imp) {
+        try {
+            final ExtPrebid<?, ExtImpRevantage> wrapper =
+                    mapper.mapper().convertValue(imp.getExt(), REVANTAGE_EXT_TYPE_REFERENCE);
+            if (wrapper == null || wrapper.getBidder() == null) {
+                throw new PreBidException("imp %s: missing imp.ext.bidder".formatted(imp.getId()));
+            }
+            return wrapper.getBidder();
+        } catch (IllegalArgumentException e) {
+            throw new PreBidException(
+                    "imp %s: invalid imp.ext: %s".formatted(imp.getId(), e.getMessage()));
+        }
+    }
+
+    private Imp rewriteImpExt(Imp imp, String feedId, ExtImpRevantage ext) {
+        final ObjectNode bidderNode = mapper.mapper().createObjectNode();
+        if (StringUtils.isNotBlank(ext.getPlacementId())) {
+            bidderNode.put("placementId", ext.getPlacementId());
+        }
+        if (StringUtils.isNotBlank(ext.getPublisherId())) {
+            bidderNode.put("publisherId", ext.getPublisherId());
+        }
+
+        final ObjectNode rewritten = mapper.mapper().createObjectNode();
+        rewritten.put("feedId", feedId);
+        rewritten.set("bidder", bidderNode);
+
+        return imp.toBuilder().ext(rewritten).build();
+    }
+
+    private HttpRequest<BidRequest> buildHttpRequest(BidRequest request, String feedId) {
+        final String uri = endpointUrl + "?feed=" + URLEncoder.encode(feedId, StandardCharsets.UTF_8);
+
+        final MultiMap headers = HttpUtil.headers();
+        headers.set(HttpUtil.ACCEPT_HEADER, "application/json");
+
+        return HttpRequest.<BidRequest>builder()
+                .method(HttpMethod.POST)
+                .uri(uri)
+                .headers(headers)
+                .body(mapper.encodeToBytes(request))
+                .impIds(collectImpIds(request))
+                .payload(request)
+                .build();
+    }
+
+    private static List<String> collectImpIds(BidRequest request) {
+        final List<String> ids = new ArrayList<>(request.getImp().size());
+        for (Imp imp : request.getImp()) {
+            ids.add(imp.getId());
+        }
+        return ids;
+    }
+
+    @Override
+    public Result<List<BidderBid>> makeBids(BidderCall<BidRequest> httpCall, BidRequest bidRequest) {
+        try {
+            final BidResponse response = mapper.decodeValue(httpCall.getResponse().getBody(), BidResponse.class);
+            return Result.withValues(extractBids(response, bidRequest));
+        } catch (DecodeException | PreBidException e) {
+            return Result.withError(BidderError.badServerResponse(e.getMessage()));
+        }
+    }
+
+    private static List<BidderBid> extractBids(BidResponse response, BidRequest request) {
+        if (response == null || CollectionUtils.isEmpty(response.getSeatbid())) {
+            return List.of();
+        }
+        final String currency = StringUtils.defaultIfBlank(response.getCur(), DEFAULT_CURRENCY);
+        final List<BidderBid> bids = new ArrayList<>();
+        for (SeatBid seatBid : response.getSeatbid()) {
+            if (seatBid == null || CollectionUtils.isEmpty(seatBid.getBid())) {
+                continue;
+            }
+            for (Bid bid : seatBid.getBid()) {
+                final BidType type = resolveMediaType(bid, request.getImp());
+                bids.add(BidderBid.of(bid, type, seatBid.getSeat(), currency));
+            }
+        }
+        return bids;
+    }
+
+    private static BidType resolveMediaType(Bid bid, List<Imp> imps) {
+        if (bid.getMtype() != null) {
+            switch (bid.getMtype()) {
+                case 1:
+                    return BidType.banner;
+                case 2:
+                    return BidType.video;
+                default:
+                    // fall through
+            }
+        }
+
+        final JsonNode ext = bid.getExt();
+        if (ext != null) {
+            final JsonNode mediaTypeNode = ext.get("mediaType");
+            if (mediaTypeNode != null && mediaTypeNode.isTextual()) {
+                final String value = mediaTypeNode.asText().toLowerCase();
+                if ("banner".equals(value)) {
+                    return BidType.banner;
+                }
+                if ("video".equals(value)) {
+                    return BidType.video;
+                }
+            }
+        }
+
+        if (isVastMarkup(bid.getAdm())) {
+            return BidType.video;
+        }
+
+        for (Imp imp : imps) {
+            if (!Objects.equals(imp.getId(), bid.getImpid())) {
+                continue;
+            }
+            final boolean hasBanner = imp.getBanner() != null;
+            final boolean hasVideo = imp.getVideo() != null;
+            if (hasVideo && !hasBanner) {
+                return BidType.video;
+            }
+            if (hasBanner) {
+                // banner-only or multi-format with no signal — default to banner
+                return BidType.banner;
+            }
+            break;
+        }
+
+        throw new PreBidException(
+                "Cannot determine media type for bid %s on imp %s".formatted(bid.getId(), bid.getImpid()));
+    }
+
+    private static boolean isVastMarkup(String adm) {
+        if (StringUtils.isBlank(adm)) {
+            return false;
+        }
+        final String trimmed = adm.trim().toUpperCase();
+        return trimmed.startsWith("<VAST") || trimmed.startsWith("<?XML");
+    }
+}

src/main/java/org/prebid/server/proto/openrtb/ext/request/revantage/ExtImpRevantage.java

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+package org.prebid.server.proto.openrtb.ext.request.revantage;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Value;
+
+/**
+ * Bidder-specific portion of imp.ext.bidder for the Revantage adapter.
+ *
+ * <p>{@code feedId} is required. {@code placementId} and {@code publisherId}
+ * are optional pass-through identifiers.
+ */
+@Value(staticConstructor = "of")
+public class ExtImpRevantage {
+
+    @JsonProperty("feedId")
+    String feedId;
+
+    @JsonProperty("placementId")
+    String placementId;
+
+    @JsonProperty("publisherId")
+    String publisherId;
+}

src/main/java/org/prebid/server/spring/config/bidder/RevantageConfiguration.java

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+package org.prebid.server.spring.config.bidder;
+
+import org.prebid.server.bidder.BidderDeps;
+import org.prebid.server.bidder.revantage.RevantageBidder;
+import org.prebid.server.json.JacksonMapper;
+import org.prebid.server.spring.config.bidder.model.BidderConfigurationProperties;
+import org.prebid.server.spring.config.bidder.util.BidderDepsAssembler;
+import org.prebid.server.spring.config.bidder.util.UsersyncerCreator;
+import org.prebid.server.spring.env.YamlPropertySourceFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.validation.annotation.Validated;
+
+import jakarta.validation.constraints.NotBlank;
+
+@Configuration
+@PropertySource(value = "classpath:/bidder-config/revantage.yaml", factory = YamlPropertySourceFactory.class)
+public class RevantageConfiguration {
+
+    private static final String BIDDER_NAME = "revantage";
+
+    @Bean("revantageConfigurationProperties")
+    @ConfigurationProperties("adapters.revantage")
+    @Validated
+    BidderConfigurationProperties configurationProperties() {
+        return new BidderConfigurationProperties();
+    }
+
+    @Bean
+    BidderDeps revantageBidderDeps(
+            BidderConfigurationProperties revantageConfigurationProperties,
+            @NotBlank @Value("${external-url}") String externalUrl,
+            JacksonMapper mapper) {
+
+        return BidderDepsAssembler.forBidder(BIDDER_NAME)
+                .withConfig(revantageConfigurationProperties)
+                .usersyncerCreator(UsersyncerCreator.create(externalUrl))
+                .bidderCreator(config -> new RevantageBidder(config.getEndpoint(), mapper))
+                .assemble();
+    }
+}

src/main/resources/bidder-config/revantage.yaml

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+adapters:
+  revantage:
+    endpoint: https://bid.revantage.io/bid
+    geoscope:
+      - GLOBAL
+    meta-info:
+      maintainer-email: prebid@revantage.io
+      app-media-types:
+        - banner
+        - video
+      site-media-types:
+        - banner
+        - video
+      supported-vendors:
+      vendor-id: 0
+    usersync:
+      redirect:
+        url: "https://sync.revantage.io/pbs/usersync?gdpr={{gdpr}}&gdpr_consent={{gdpr_consent}}&us_privacy={{us_privacy}}&gpp={{gpp}}&gpp_sid={{gpp_sid}}&r={{redirect_url}}"
+        uid-macro: "$UID"

src/main/resources/static/bidder-params/revantage.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Revantage Adapter Params",
+  "description": "A schema which validates params accepted by the Revantage adapter",
+  "type": "object",
+  "properties": {
+    "feedId": {
+      "type": "string",
+      "description": "Revantage feed identifier (required)",
+      "minLength": 1
+    },
+    "placementId": {
+      "type": "string",
+      "description": "Optional placement identifier"
+    },
+    "publisherId": {
+      "type": "string",
+      "description": "Optional publisher identifier"
+    }
+  },
+  "required": ["feedId"]
+}