xds: migrate EnvoyServerProtoData.Listener data types to AutoValue

xds/src/main/java/io/grpc/xds/ClientXdsClient.java

@@ -111,7 +111,6 @@ import java.net.InetSocketAddress;
 import java.net.URI;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.EnumSet;
@@ -398,7 +397,7 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
       }
     }
 
-    List<FilterChain> filterChains = new ArrayList<>();
+    ImmutableList.Builder<FilterChain> filterChains = ImmutableList.builder();
     Set<FilterChainMatch> uniqueSet = new HashSet<>();
     for (io.envoyproxy.envoy.config.listener.v3.FilterChain fc : proto.getFilterChainsList()) {
       filterChains.add(
@@ -412,8 +411,8 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
           null, certProviderInstances, parseHttpFilter);
     }
 
-    return new EnvoyServerProtoData.Listener(
+    return EnvoyServerProtoData.Listener.create(
-        proto.getName(), address, Collections.unmodifiableList(filterChains), defaultFilterChain);
+        proto.getName(), address, filterChains.build(), defaultFilterChain);
   }
 
   @VisibleForTesting
@@ -470,7 +469,7 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
 
     FilterChainMatch filterChainMatch = parseFilterChainMatch(proto.getFilterChainMatch());
     checkForUniqueness(uniqueSet, filterChainMatch);
-    return new FilterChain(
+    return FilterChain.create(
         proto.getName(),
         filterChainMatch,
         httpConnectionManager,
@@ -673,18 +672,18 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
 
   private static List<FilterChainMatch> expandOnPrefixRange(FilterChainMatch filterChainMatch) {
     ArrayList<FilterChainMatch> expandedList = new ArrayList<>();
-    if (filterChainMatch.getPrefixRanges().isEmpty()) {
+    if (filterChainMatch.prefixRanges().isEmpty()) {
       expandedList.add(filterChainMatch);
     } else {
-      for (EnvoyServerProtoData.CidrRange cidrRange : filterChainMatch.getPrefixRanges()) {
+      for (EnvoyServerProtoData.CidrRange cidrRange : filterChainMatch.prefixRanges()) {
-        expandedList.add(new FilterChainMatch(filterChainMatch.getDestinationPort(),
+        expandedList.add(FilterChainMatch.create(filterChainMatch.destinationPort(),
-            Arrays.asList(cidrRange),
+            ImmutableList.of(cidrRange),
-            Collections.unmodifiableList(filterChainMatch.getApplicationProtocols()),
+            filterChainMatch.applicationProtocols(),
-            Collections.unmodifiableList(filterChainMatch.getSourcePrefixRanges()),
+            filterChainMatch.sourcePrefixRanges(),
-            filterChainMatch.getConnectionSourceType(),
+            filterChainMatch.connectionSourceType(),
-            Collections.unmodifiableList(filterChainMatch.getSourcePorts()),
+            filterChainMatch.sourcePorts(),
-            Collections.unmodifiableList(filterChainMatch.getServerNames()),
+            filterChainMatch.serverNames(),
-            filterChainMatch.getTransportProtocol()));
+            filterChainMatch.transportProtocol()));
       }
     }
     return expandedList;
@@ -694,18 +693,18 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
       Collection<FilterChainMatch> set) {
     ArrayList<FilterChainMatch> expandedList = new ArrayList<>();
     for (FilterChainMatch filterChainMatch : set) {
-      if (filterChainMatch.getApplicationProtocols().isEmpty()) {
+      if (filterChainMatch.applicationProtocols().isEmpty()) {
         expandedList.add(filterChainMatch);
       } else {
-        for (String applicationProtocol : filterChainMatch.getApplicationProtocols()) {
+        for (String applicationProtocol : filterChainMatch.applicationProtocols()) {
-          expandedList.add(new FilterChainMatch(filterChainMatch.getDestinationPort(),
+          expandedList.add(FilterChainMatch.create(filterChainMatch.destinationPort(),
-              Collections.unmodifiableList(filterChainMatch.getPrefixRanges()),
+              filterChainMatch.prefixRanges(),
-              Arrays.asList(applicationProtocol),
+              ImmutableList.of(applicationProtocol),
-              Collections.unmodifiableList(filterChainMatch.getSourcePrefixRanges()),
+              filterChainMatch.sourcePrefixRanges(),
-              filterChainMatch.getConnectionSourceType(),
+              filterChainMatch.connectionSourceType(),
-              Collections.unmodifiableList(filterChainMatch.getSourcePorts()),
+              filterChainMatch.sourcePorts(),
-              Collections.unmodifiableList(filterChainMatch.getServerNames()),
+              filterChainMatch.serverNames(),
-              filterChainMatch.getTransportProtocol()));
+              filterChainMatch.transportProtocol()));
         }
       }
     }
@@ -716,18 +715,18 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
       Collection<FilterChainMatch> set) {
     ArrayList<FilterChainMatch> expandedList = new ArrayList<>();
     for (FilterChainMatch filterChainMatch : set) {
-      if (filterChainMatch.getSourcePrefixRanges().isEmpty()) {
+      if (filterChainMatch.sourcePrefixRanges().isEmpty()) {
         expandedList.add(filterChainMatch);
       } else {
-        for (EnvoyServerProtoData.CidrRange cidrRange : filterChainMatch.getSourcePrefixRanges()) {
+        for (EnvoyServerProtoData.CidrRange cidrRange : filterChainMatch.sourcePrefixRanges()) {
-          expandedList.add(new FilterChainMatch(filterChainMatch.getDestinationPort(),
+          expandedList.add(FilterChainMatch.create(filterChainMatch.destinationPort(),
-              Collections.unmodifiableList(filterChainMatch.getPrefixRanges()),
+              filterChainMatch.prefixRanges(),
-              Collections.unmodifiableList(filterChainMatch.getApplicationProtocols()),
+              filterChainMatch.applicationProtocols(),
-              Arrays.asList(cidrRange),
+              ImmutableList.of(cidrRange),
-              filterChainMatch.getConnectionSourceType(),
+              filterChainMatch.connectionSourceType(),
-              Collections.unmodifiableList(filterChainMatch.getSourcePorts()),
+              filterChainMatch.sourcePorts(),
-              Collections.unmodifiableList(filterChainMatch.getServerNames()),
+              filterChainMatch.serverNames(),
-              filterChainMatch.getTransportProtocol()));
+              filterChainMatch.transportProtocol()));
         }
       }
     }
@@ -737,18 +736,18 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
   private static List<FilterChainMatch> expandOnSourcePorts(Collection<FilterChainMatch> set) {
     ArrayList<FilterChainMatch> expandedList = new ArrayList<>();
     for (FilterChainMatch filterChainMatch : set) {
-      if (filterChainMatch.getSourcePorts().isEmpty()) {
+      if (filterChainMatch.sourcePorts().isEmpty()) {
         expandedList.add(filterChainMatch);
       } else {
-        for (Integer sourcePort : filterChainMatch.getSourcePorts()) {
+        for (Integer sourcePort : filterChainMatch.sourcePorts()) {
-          expandedList.add(new FilterChainMatch(filterChainMatch.getDestinationPort(),
+          expandedList.add(FilterChainMatch.create(filterChainMatch.destinationPort(),
-              Collections.unmodifiableList(filterChainMatch.getPrefixRanges()),
+              filterChainMatch.prefixRanges(),
-              Collections.unmodifiableList(filterChainMatch.getApplicationProtocols()),
+              filterChainMatch.applicationProtocols(),
-              Collections.unmodifiableList(filterChainMatch.getSourcePrefixRanges()),
+              filterChainMatch.sourcePrefixRanges(),
-              filterChainMatch.getConnectionSourceType(),
+              filterChainMatch.connectionSourceType(),
-              Arrays.asList(sourcePort),
+              ImmutableList.of(sourcePort),
-              Collections.unmodifiableList(filterChainMatch.getServerNames()),
+              filterChainMatch.serverNames(),
-              filterChainMatch.getTransportProtocol()));
+              filterChainMatch.transportProtocol()));
         }
       }
     }
@@ -758,18 +757,18 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
   private static List<FilterChainMatch> expandOnServerNames(Collection<FilterChainMatch> set) {
     ArrayList<FilterChainMatch> expandedList = new ArrayList<>();
     for (FilterChainMatch filterChainMatch : set) {
-      if (filterChainMatch.getServerNames().isEmpty()) {
+      if (filterChainMatch.serverNames().isEmpty()) {
         expandedList.add(filterChainMatch);
       } else {
-        for (String serverName : filterChainMatch.getServerNames()) {
+        for (String serverName : filterChainMatch.serverNames()) {
-          expandedList.add(new FilterChainMatch(filterChainMatch.getDestinationPort(),
+          expandedList.add(FilterChainMatch.create(filterChainMatch.destinationPort(),
-              Collections.unmodifiableList(filterChainMatch.getPrefixRanges()),
+              filterChainMatch.prefixRanges(),
-              Collections.unmodifiableList(filterChainMatch.getApplicationProtocols()),
+              filterChainMatch.applicationProtocols(),
-              Collections.unmodifiableList(filterChainMatch.getSourcePrefixRanges()),
+              filterChainMatch.sourcePrefixRanges(),
-              filterChainMatch.getConnectionSourceType(),
+              filterChainMatch.connectionSourceType(),
-              Collections.unmodifiableList(filterChainMatch.getSourcePorts()),
+              filterChainMatch.sourcePorts(),
-              Arrays.asList(serverName),
+              ImmutableList.of(serverName),
-              filterChainMatch.getTransportProtocol()));
+              filterChainMatch.transportProtocol()));
         }
       }
     }
@@ -779,16 +778,17 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
   private static FilterChainMatch parseFilterChainMatch(
       io.envoyproxy.envoy.config.listener.v3.FilterChainMatch proto)
       throws ResourceInvalidException {
-    List<CidrRange> prefixRanges = new ArrayList<>();
+    ImmutableList.Builder<CidrRange> prefixRanges = ImmutableList.builder();
-    List<CidrRange> sourcePrefixRanges = new ArrayList<>();
+    ImmutableList.Builder<CidrRange> sourcePrefixRanges = ImmutableList.builder();
     try {
       for (io.envoyproxy.envoy.config.core.v3.CidrRange range : proto.getPrefixRangesList()) {
-        prefixRanges.add(new CidrRange(range.getAddressPrefix(), range.getPrefixLen().getValue()));
+        prefixRanges.add(
+            CidrRange.create(range.getAddressPrefix(), range.getPrefixLen().getValue()));
       }
       for (io.envoyproxy.envoy.config.core.v3.CidrRange range
           : proto.getSourcePrefixRangesList()) {
         sourcePrefixRanges.add(
-            new CidrRange(range.getAddressPrefix(), range.getPrefixLen().getValue()));
+            CidrRange.create(range.getAddressPrefix(), range.getPrefixLen().getValue()));
       }
     } catch (UnknownHostException e) {
       throw new ResourceInvalidException("Failed to create CidrRange", e);
@@ -807,14 +807,14 @@ final class ClientXdsClient extends XdsClient implements XdsResponseHandler, Res
       default:
         throw new ResourceInvalidException("Unknown source-type: " + proto.getSourceType());
     }
-    return new FilterChainMatch(
+    return FilterChainMatch.create(
         proto.getDestinationPort().getValue(),
-        prefixRanges,
+        prefixRanges.build(),
-        proto.getApplicationProtocolsList(),
+        ImmutableList.copyOf(proto.getApplicationProtocolsList()),
-        sourcePrefixRanges,
+        sourcePrefixRanges.build(),
         sourceType,
-        proto.getSourcePortsList(),
+        ImmutableList.copyOf(proto.getSourcePortsList()),
-        proto.getServerNamesList(),
+        ImmutableList.copyOf(proto.getServerNamesList()),
         proto.getTransportProtocol());
   }
 

xds/src/main/java/io/grpc/xds/EnvoyServerProtoData.java

@@ -16,17 +16,14 @@
 
 package io.grpc.xds;
 
-import static com.google.common.base.Preconditions.checkNotNull;
+import com.google.auto.value.AutoValue;
-
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableList;
 import io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.CommonTlsContext;
 import io.grpc.Internal;
 import io.grpc.xds.internal.sds.SslContextProviderSupplier;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
-import java.util.Collections;
-import java.util.List;
 import java.util.Objects;
 import javax.annotation.Nullable;
 
@@ -142,47 +139,16 @@ public final class EnvoyServerProtoData {
     }
   }
 
-  static final class CidrRange {
+  @AutoValue
-    private final InetAddress addressPrefix;
+  abstract static class CidrRange {
-    private final int prefixLen;
 
-    CidrRange(String addressPrefix, int prefixLen) throws UnknownHostException {
+    abstract InetAddress addressPrefix();
-      this.addressPrefix = InetAddress.getByName(addressPrefix);
-      this.prefixLen = prefixLen;
-    }
 
-    public InetAddress getAddressPrefix() {
+    abstract int prefixLen();
-      return addressPrefix;
-    }
 
-    public int getPrefixLen() {
+    static CidrRange create(String addressPrefix, int prefixLen) throws UnknownHostException {
-      return prefixLen;
+      return new AutoValue_EnvoyServerProtoData_CidrRange(
-    }
+          InetAddress.getByName(addressPrefix), prefixLen);
-
-    @Override
-    public boolean equals(Object o) {
-      if (this == o) {
-        return true;
-      }
-      if (o == null || getClass() != o.getClass()) {
-        return false;
-      }
-      CidrRange cidrRange = (CidrRange) o;
-      return prefixLen == cidrRange.prefixLen
-          && java.util.Objects.equals(addressPrefix, cidrRange.addressPrefix);
-    }
-
-    @Override
-    public int hashCode() {
-      return java.util.Objects.hash(addressPrefix, prefixLen);
-    }
-
-    @Override
-    public String toString() {
-      return "CidrRange{"
-          + "addressPrefix='" + addressPrefix + '\''
-          + ", prefixLen=" + prefixLen
-          + '}';
     }
   }
 
@@ -201,259 +167,91 @@ public final class EnvoyServerProtoData {
    * Corresponds to Envoy proto message
    * {@link io.envoyproxy.envoy.api.v2.listener.FilterChainMatch}.
    */
-  static final class FilterChainMatch {
+  @AutoValue
-    private final int destinationPort;
+  abstract static class FilterChainMatch {
-    private final List<CidrRange> prefixRanges;
-    private final List<String> applicationProtocols;
-    private final List<CidrRange> sourcePrefixRanges;
-    private final ConnectionSourceType sourceType;
-    private final List<Integer> sourcePorts;
-    private final List<String> serverNames;
-    private final String transportProtocol;
 
-    @VisibleForTesting
+    abstract int destinationPort();
-    FilterChainMatch(
-        int destinationPort,
-        List<CidrRange> prefixRanges,
-        List<String> applicationProtocols,
-        List<CidrRange> sourcePrefixRanges,
-        ConnectionSourceType sourceType,
-        List<Integer> sourcePorts,
-        List<String> serverNames,
-        String transportProtocol) {
-      this.destinationPort = destinationPort;
-      this.prefixRanges = Collections.unmodifiableList(prefixRanges);
-      this.applicationProtocols = Collections.unmodifiableList(applicationProtocols);
-      this.sourcePrefixRanges = sourcePrefixRanges;
-      this.sourceType = sourceType;
-      this.sourcePorts = sourcePorts;
-      this.serverNames = Collections.unmodifiableList(serverNames);
-      this.transportProtocol = transportProtocol;
-    }
 
-    public int getDestinationPort() {
+    abstract ImmutableList<CidrRange> prefixRanges();
-      return destinationPort;
-    }
 
-    public List<CidrRange> getPrefixRanges() {
+    abstract ImmutableList<String> applicationProtocols();
-      return prefixRanges;
-    }
 
-    public List<String> getApplicationProtocols() {
+    abstract ImmutableList<CidrRange> sourcePrefixRanges();
-      return applicationProtocols;
-    }
 
-    public List<CidrRange> getSourcePrefixRanges() {
+    abstract ConnectionSourceType connectionSourceType();
-      return sourcePrefixRanges;
-    }
 
-    public ConnectionSourceType getConnectionSourceType() {
+    abstract ImmutableList<Integer> sourcePorts();
-      return sourceType;
-    }
 
-    public List<Integer> getSourcePorts() {
+    abstract ImmutableList<String> serverNames();
-      return sourcePorts;
-    }
 
-    public List<String> getServerNames() {
+    abstract String transportProtocol();
-      return serverNames;
-    }
 
-    public String getTransportProtocol() {
+    public static FilterChainMatch create(int destinationPort,
-      return transportProtocol;
+        ImmutableList<CidrRange> prefixRanges,
-    }
+        ImmutableList<String> applicationProtocols, ImmutableList<CidrRange> sourcePrefixRanges,
-
+        ConnectionSourceType connectionSourceType, ImmutableList<Integer> sourcePorts,
-    @Override
+        ImmutableList<String> serverNames, String transportProtocol) {
-    public boolean equals(Object o) {
+      return new AutoValue_EnvoyServerProtoData_FilterChainMatch(
-      if (this == o) {
+          destinationPort, prefixRanges, applicationProtocols, sourcePrefixRanges,
-        return true;
+          connectionSourceType, sourcePorts, serverNames, transportProtocol);
-      }
-      if (o == null || getClass() != o.getClass()) {
-        return false;
-      }
-      FilterChainMatch that = (FilterChainMatch) o;
-      return destinationPort == that.destinationPort
-          && Objects.equals(prefixRanges, that.prefixRanges)
-          && Objects.equals(applicationProtocols, that.applicationProtocols)
-          && Objects.equals(sourcePrefixRanges, that.sourcePrefixRanges)
-          && sourceType == that.sourceType
-          && Objects.equals(sourcePorts, that.sourcePorts)
-          && Objects.equals(serverNames, that.serverNames)
-          && Objects.equals(transportProtocol, that.transportProtocol);
-    }
-
-    @Override
-    public int hashCode() {
-      return Objects.hash(
-          destinationPort,
-          prefixRanges,
-          applicationProtocols,
-          sourcePrefixRanges,
-          sourceType,
-          sourcePorts,
-          serverNames,
-          transportProtocol);
-    }
-
-    @Override
-    public String toString() {
-      return MoreObjects.toStringHelper(this)
-              .add("destinationPort", destinationPort)
-              .add("prefixRanges", prefixRanges)
-              .add("applicationProtocols", applicationProtocols)
-              .add("sourcePrefixRanges", sourcePrefixRanges)
-              .add("sourceType", sourceType)
-              .add("sourcePorts", sourcePorts)
-              .add("serverNames", serverNames)
-              .add("transportProtocol", transportProtocol)
-              .toString();
     }
   }
 
   /**
    * Corresponds to Envoy proto message {@link io.envoyproxy.envoy.api.v2.listener.FilterChain}.
    */
-  static final class FilterChain {
+  @AutoValue
-    // possibly empty
+  abstract static class FilterChain {
-    private final String name;
-    // TODO(sanjaypujare): flatten structure by moving FilterChainMatch class members here.
-    private final FilterChainMatch filterChainMatch;
-    private final HttpConnectionManager httpConnectionManager;
-    @Nullable
-    private final SslContextProviderSupplier sslContextProviderSupplier;
 
-    FilterChain(
+    // possibly empty
+    abstract String name();
+
+    // TODO(sanjaypujare): flatten structure by moving FilterChainMatch class members here.
+    abstract FilterChainMatch filterChainMatch();
+
+    abstract HttpConnectionManager httpConnectionManager();
+
+    @Nullable
+    abstract SslContextProviderSupplier sslContextProviderSupplier();
+
+    static FilterChain create(
         String name,
         FilterChainMatch filterChainMatch,
         HttpConnectionManager httpConnectionManager,
         @Nullable DownstreamTlsContext downstreamTlsContext,
         TlsContextManager tlsContextManager) {
-      SslContextProviderSupplier sslContextProviderSupplier1 = downstreamTlsContext == null ? null
+      SslContextProviderSupplier sslContextProviderSupplier =
-          : new SslContextProviderSupplier(downstreamTlsContext, tlsContextManager);
+          downstreamTlsContext == null
-      this.name = checkNotNull(name, "name");
+              ? null : new SslContextProviderSupplier(downstreamTlsContext, tlsContextManager);
-      // TODO(chengyuanzhang): enforce non-null, change tests to use a default/empty
+      return new AutoValue_EnvoyServerProtoData_FilterChain(
-      //  FilterChainMatch instead of null, as that's how the proto is converted.
-      this.filterChainMatch = filterChainMatch;
-      this.sslContextProviderSupplier = sslContextProviderSupplier1;
-      this.httpConnectionManager = checkNotNull(httpConnectionManager, "httpConnectionManager");
-    }
-
-    String getName() {
-      return name;
-    }
-
-    public FilterChainMatch getFilterChainMatch() {
-      return filterChainMatch;
-    }
-
-    HttpConnectionManager getHttpConnectionManager() {
-      return httpConnectionManager;
-    }
-
-    @Nullable
-    public SslContextProviderSupplier getSslContextProviderSupplier() {
-      return sslContextProviderSupplier;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-      if (this == o) {
-        return true;
-      }
-      if (o == null || getClass() != o.getClass()) {
-        return false;
-      }
-      FilterChain that = (FilterChain) o;
-      return Objects.equals(name, that.name)
-          && Objects.equals(filterChainMatch, that.filterChainMatch)
-          && Objects.equals(httpConnectionManager, that.httpConnectionManager)
-          && Objects.equals(sslContextProviderSupplier, that.sslContextProviderSupplier);
-    }
-
-    @Override
-    public int hashCode() {
-      return Objects.hash(
           name, filterChainMatch, httpConnectionManager, sslContextProviderSupplier);
     }
-
-    @Override
-    public String toString() {
-      return MoreObjects.toStringHelper(this)
-          .add("name", name)
-          .add("filterChainMatch", filterChainMatch)
-          .add("httpConnectionManager", httpConnectionManager)
-          .add("sslContextProviderSupplier", sslContextProviderSupplier)
-          .toString();
-    }
   }
 
   /**
    * Corresponds to Envoy proto message {@link io.envoyproxy.envoy.api.v2.Listener} & related
    * classes.
    */
-  public static final class Listener {
+  @AutoValue
-    private final String name;
+  abstract static class Listener {
-    @Nullable
-    private final String address;
-    private final List<FilterChain> filterChains;
-    @Nullable
-    private final FilterChain defaultFilterChain;
 
-    /** Construct a Listener. */
+    abstract String name();
-    public Listener(String name, @Nullable String address,
-        List<FilterChain> filterChains, @Nullable FilterChain defaultFilterChain) {
-      this.name = checkNotNull(name, "name");
-      this.address = address;
-      this.filterChains = Collections.unmodifiableList(checkNotNull(filterChains, "filterChains"));
-      this.defaultFilterChain = defaultFilterChain;
-    }
-
-    public String getName() {
-      return name;
-    }
 
     @Nullable
-    public String getAddress() {
+    abstract String address();
-      return address;
-    }
 
-    public List<FilterChain> getFilterChains() {
+    abstract ImmutableList<FilterChain> filterChains();
-      return filterChains;
-    }
 
     @Nullable
-    public FilterChain getDefaultFilterChain() {
+    abstract FilterChain defaultFilterChain();
-      return defaultFilterChain;
-    }
 
-    @Override
+    static Listener create(
-    public boolean equals(Object o) {
+        String name,
-      if (this == o) {
+        @Nullable String address,
-        return true;
+        ImmutableList<FilterChain> filterChains,
-      }
+        @Nullable FilterChain defaultFilterChain) {
-      if (o == null || getClass() != o.getClass()) {
+      return new AutoValue_EnvoyServerProtoData_Listener(name, address, filterChains,
-        return false;
+          defaultFilterChain);
-      }
-      Listener listener = (Listener) o;
-      return Objects.equals(name, listener.name)
-          && Objects.equals(address, listener.address)
-          && Objects.equals(filterChains, listener.filterChains)
-          && Objects.equals(defaultFilterChain, listener.defaultFilterChain);
-    }
-
-    @Override
-    public int hashCode() {
-      return Objects.hash(name, address, filterChains, defaultFilterChain);
-    }
-
-    @Override
-    public String toString() {
-      return MoreObjects.toStringHelper(this)
-          .add("name", name)
-          .add("address", address)
-          .add("filterChains", filterChains)
-          .add("defaultFilterChain", defaultFilterChain)
-          .toString();
     }
   }
 }

xds/src/main/java/io/grpc/xds/FilterChainMatchingProtocolNegotiators.java

@@ -39,7 +39,6 @@ import io.grpc.xds.EnvoyServerProtoData.CidrRange;
 import io.grpc.xds.EnvoyServerProtoData.ConnectionSourceType;
 import io.grpc.xds.EnvoyServerProtoData.FilterChain;
 import io.grpc.xds.EnvoyServerProtoData.FilterChainMatch;
-import io.grpc.xds.FilterChainMatchingProtocolNegotiators.FilterChainMatchingHandler.FilterChainSelector;
 import io.grpc.xds.XdsServerWrapper.ServerRoutingConfig;
 import io.grpc.xds.internal.Matchers.CidrMatcher;
 import io.grpc.xds.internal.sds.SslContextProviderSupplier;
@@ -189,7 +188,7 @@ final class FilterChainMatchingProtocolNegotiators {
         if (filterChains.size() == 1) {
           FilterChain selected = Iterables.getOnlyElement(filterChains);
           return new SelectedConfig(
-                  routingConfigs.get(selected), selected.getSslContextProviderSupplier());
+                  routingConfigs.get(selected), selected.sslContextProviderSupplier());
         }
         if (defaultRoutingConfig.get() != null) {
           return new SelectedConfig(defaultRoutingConfig, defaultSslContextProviderSupplier);
@@ -202,9 +201,9 @@ final class FilterChainMatchingProtocolNegotiators {
               Collection<FilterChain> filterChains) {
         ArrayList<FilterChain> filtered = new ArrayList<>(filterChains.size());
         for (FilterChain filterChain : filterChains) {
-          FilterChainMatch filterChainMatch = filterChain.getFilterChainMatch();
+          FilterChainMatch filterChainMatch = filterChain.filterChainMatch();
 
-          if (filterChainMatch.getApplicationProtocols().isEmpty()) {
+          if (filterChainMatch.applicationProtocols().isEmpty()) {
             filtered.add(filterChain);
           }
         }
@@ -216,9 +215,9 @@ final class FilterChainMatchingProtocolNegotiators {
               Collection<FilterChain> filterChains) {
         ArrayList<FilterChain> filtered = new ArrayList<>(filterChains.size());
         for (FilterChain filterChain : filterChains) {
-          FilterChainMatch filterChainMatch = filterChain.getFilterChainMatch();
+          FilterChainMatch filterChainMatch = filterChain.filterChainMatch();
 
-          String transportProtocol = filterChainMatch.getTransportProtocol();
+          String transportProtocol = filterChainMatch.transportProtocol();
           if (Strings.isNullOrEmpty(transportProtocol) || "raw_buffer".equals(transportProtocol)) {
             filtered.add(filterChain);
           }
@@ -231,9 +230,9 @@ final class FilterChainMatchingProtocolNegotiators {
               Collection<FilterChain> filterChains) {
         ArrayList<FilterChain> filtered = new ArrayList<>(filterChains.size());
         for (FilterChain filterChain : filterChains) {
-          FilterChainMatch filterChainMatch = filterChain.getFilterChainMatch();
+          FilterChainMatch filterChainMatch = filterChain.filterChainMatch();
 
-          if (filterChainMatch.getServerNames().isEmpty()) {
+          if (filterChainMatch.serverNames().isEmpty()) {
             filtered.add(filterChain);
           }
         }
@@ -245,9 +244,9 @@ final class FilterChainMatchingProtocolNegotiators {
               Collection<FilterChain> filterChains) {
         ArrayList<FilterChain> filtered = new ArrayList<>(filterChains.size());
         for (FilterChain filterChain : filterChains) {
-          FilterChainMatch filterChainMatch = filterChain.getFilterChainMatch();
+          FilterChainMatch filterChainMatch = filterChain.filterChainMatch();
 
-          if (filterChainMatch.getDestinationPort()
+          if (filterChainMatch.destinationPort()
                   == UInt32Value.getDefaultInstance().getValue()) {
             filtered.add(filterChain);
           }
@@ -260,9 +259,9 @@ final class FilterChainMatchingProtocolNegotiators {
         ArrayList<FilterChain> filteredOnMatch = new ArrayList<>(filterChains.size());
         ArrayList<FilterChain> filteredOnEmpty = new ArrayList<>(filterChains.size());
         for (FilterChain filterChain : filterChains) {
-          FilterChainMatch filterChainMatch = filterChain.getFilterChainMatch();
+          FilterChainMatch filterChainMatch = filterChain.filterChainMatch();
 
-          List<Integer> sourcePortsToMatch = filterChainMatch.getSourcePorts();
+          List<Integer> sourcePortsToMatch = filterChainMatch.sourcePorts();
           if (sourcePortsToMatch.isEmpty()) {
             filteredOnEmpty.add(filterChain);
           } else if (sourcePortsToMatch.contains(sourcePort)) {
@@ -278,9 +277,9 @@ final class FilterChainMatchingProtocolNegotiators {
               InetAddress destAddress) {
         ArrayList<FilterChain> filtered = new ArrayList<>(filterChains.size());
         for (FilterChain filterChain : filterChains) {
-          FilterChainMatch filterChainMatch = filterChain.getFilterChainMatch();
+          FilterChainMatch filterChainMatch = filterChain.filterChainMatch();
           ConnectionSourceType sourceType =
-                  filterChainMatch.getConnectionSourceType();
+                  filterChainMatch.connectionSourceType();
 
           boolean matching = false;
           if (sourceType == ConnectionSourceType.SAME_IP_OR_LOOPBACK) {
@@ -305,18 +304,18 @@ final class FilterChainMatchingProtocolNegotiators {
         boolean isIPv6 = address instanceof Inet6Address;
         List<CidrRange> cidrRanges =
                 forDestination
-                        ? filterChainMatch.getPrefixRanges()
+                        ? filterChainMatch.prefixRanges()
-                        : filterChainMatch.getSourcePrefixRanges();
+                        : filterChainMatch.sourcePrefixRanges();
         int matchingPrefixLength;
         if (cidrRanges.isEmpty()) { // if there is no CidrRange assume 0-length match
           matchingPrefixLength = 0;
         } else {
           matchingPrefixLength = -1;
           for (CidrRange cidrRange : cidrRanges) {
-            InetAddress cidrAddr = cidrRange.getAddressPrefix();
+            InetAddress cidrAddr = cidrRange.addressPrefix();
             boolean cidrIsIpv6 = cidrAddr instanceof Inet6Address;
             if (isIPv6 == cidrIsIpv6) {
-              int prefixLen = cidrRange.getPrefixLen();
+              int prefixLen = cidrRange.prefixLen();
               CidrMatcher matcher = CidrMatcher.create(cidrAddr, prefixLen);
               if (matcher.matches(address) && prefixLen > matchingPrefixLength) {
                 matchingPrefixLength = prefixLen;
@@ -335,7 +334,7 @@ final class FilterChainMatchingProtocolNegotiators {
         int topMatchingPrefixLen = -1;
         for (FilterChain filterChain : filterChains) {
           int currentMatchingPrefixLen = getMatchingPrefixLength(
-                  filterChain.getFilterChainMatch(), address, forDestination);
+                  filterChain.filterChainMatch(), address, forDestination);
 
           if (currentMatchingPrefixLen >= 0) {
             if (currentMatchingPrefixLen < topMatchingPrefixLen) {

xds/src/main/java/io/grpc/xds/XdsServerWrapper.java

@@ -386,8 +386,8 @@ final class XdsServerWrapper extends Server {
             releaseSuppliersInFlight();
             pendingRds.clear();
           }
-          filterChains = update.listener().getFilterChains();
+          filterChains = update.listener().filterChains();
-          defaultFilterChain = update.listener().getDefaultFilterChain();
+          defaultFilterChain = update.listener().defaultFilterChain();
           List<FilterChain> allFilterChains = filterChains;
           if (defaultFilterChain != null) {
             allFilterChains = new ArrayList<>(filterChains);
@@ -395,7 +395,7 @@ final class XdsServerWrapper extends Server {
           }
           Set<String> allRds = new HashSet<>();
           for (FilterChain filterChain : allFilterChains) {
-            HttpConnectionManager hcm = filterChain.getHttpConnectionManager();
+            HttpConnectionManager hcm = filterChain.httpConnectionManager();
             if (hcm.virtualHosts() == null) {
               RouteDiscoveryState rdsState = routeDiscoveryStates.get(hcm.rdsName());
               if (rdsState == null) {
@@ -478,7 +478,7 @@ final class XdsServerWrapper extends Server {
       }
       FilterChainSelector selector = new FilterChainSelector(
           Collections.unmodifiableMap(filterChainRouting),
-          defaultFilterChain == null ? null : defaultFilterChain.getSslContextProviderSupplier(),
+          defaultFilterChain == null ? null : defaultFilterChain.sslContextProviderSupplier(),
           defaultFilterChain == null ? new AtomicReference<ServerRoutingConfig>() :
               generateRoutingConfig(defaultFilterChain));
       List<SslContextProviderSupplier> toRelease = getSuppliersInUse();
@@ -491,7 +491,7 @@ final class XdsServerWrapper extends Server {
     }
 
     private AtomicReference<ServerRoutingConfig> generateRoutingConfig(FilterChain filterChain) {
-      HttpConnectionManager hcm = filterChain.getHttpConnectionManager();
+      HttpConnectionManager hcm = filterChain.httpConnectionManager();
       if (hcm.virtualHosts() != null) {
         ImmutableMap<Route, ServerInterceptor> interceptors = generatePerRouteInterceptors(
                 hcm.httpFilterConfigs(), hcm.virtualHosts());
@@ -602,8 +602,8 @@ final class XdsServerWrapper extends Server {
       FilterChainSelector selector = filterChainSelectorManager.getSelectorToUpdateSelector();
       if (selector != null) {
         for (FilterChain f: selector.getRoutingConfigs().keySet()) {
-          if (f.getSslContextProviderSupplier() != null) {
+          if (f.sslContextProviderSupplier() != null) {
-            toRelease.add(f.getSslContextProviderSupplier());
+            toRelease.add(f.sslContextProviderSupplier());
           }
         }
         SslContextProviderSupplier defaultSupplier =
@@ -618,13 +618,13 @@ final class XdsServerWrapper extends Server {
     private void releaseSuppliersInFlight() {
       SslContextProviderSupplier supplier;
       for (FilterChain filterChain : filterChains) {
-        supplier = filterChain.getSslContextProviderSupplier();
+        supplier = filterChain.sslContextProviderSupplier();
         if (supplier != null) {
           supplier.close();
         }
       }
       if (defaultFilterChain != null
-              && (supplier = defaultFilterChain.getSslContextProviderSupplier()) != null) {
+              && (supplier = defaultFilterChain.sslContextProviderSupplier()) != null) {
         supplier.close();
       }
     }
@@ -689,20 +689,20 @@ final class XdsServerWrapper extends Server {
 
       private void updateRdsRoutingConfig() {
         for (FilterChain filterChain : savedRdsRoutingConfigRef.keySet()) {
-          if (resourceName.equals(filterChain.getHttpConnectionManager().rdsName())) {
+          if (resourceName.equals(filterChain.httpConnectionManager().rdsName())) {
             ServerRoutingConfig updatedRoutingConfig;
             if (savedVirtualHosts == null) {
               updatedRoutingConfig = ServerRoutingConfig.FAILING_ROUTING_CONFIG;
             } else {
               ImmutableMap<Route, ServerInterceptor> updatedInterceptors =
                   generatePerRouteInterceptors(
-                      filterChain.getHttpConnectionManager().httpFilterConfigs(),
+                      filterChain.httpConnectionManager().httpFilterConfigs(),
                       savedVirtualHosts);
               updatedRoutingConfig = ServerRoutingConfig.create(savedVirtualHosts,
                   updatedInterceptors);
             }
             logger.log(Level.FINEST, "Updating filter chain {0} rds routing config: {1}",
-                new Object[]{filterChain.getName(), updatedRoutingConfig});
+                new Object[]{filterChain.name(), updatedRoutingConfig});
             savedRdsRoutingConfigRef.get(filterChain).set(updatedRoutingConfig);
           }
         }

xds/src/test/java/io/grpc/xds/ClientXdsClientDataTest.java

@@ -2180,7 +2180,7 @@ public class ClientXdsClientDataTest {
     EnvoyServerProtoData.FilterChain parsedFilterChain2 = ClientXdsClient.parseFilterChain(
         filterChain2, new HashSet<String>(), null, filterRegistry, null,
         null, true /* does not matter */);
-    assertThat(parsedFilterChain1.getName()).isEqualTo(parsedFilterChain2.getName());
+    assertThat(parsedFilterChain1.name()).isEqualTo(parsedFilterChain2.name());
   }
 
   @Test

xds/src/test/java/io/grpc/xds/ClientXdsClientTestBase.java

@@ -1282,10 +1282,10 @@ public abstract class ClientXdsClientTestBase {
     call.sendResponse(LDS, packedListener, VERSION_1, "0000");
     verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
 
-    assertThat(ldsUpdateCaptor.getValue().listener().getFilterChains()).hasSize(1);
+    assertThat(ldsUpdateCaptor.getValue().listener().filterChains()).hasSize(1);
     FilterChain parsedFilterChain = Iterables.getOnlyElement(
-        ldsUpdateCaptor.getValue().listener().getFilterChains());
+        ldsUpdateCaptor.getValue().listener().filterChains());
-    assertThat(parsedFilterChain.getHttpConnectionManager().rdsName()).isEqualTo(RDS_RESOURCE);
+    assertThat(parsedFilterChain.httpConnectionManager().rdsName()).isEqualTo(RDS_RESOURCE);
     verifyResourceMetadataAcked(LDS, LISTENER_RESOURCE, packedListener, VERSION_1, TIME_INCREMENT);
     verifyResourceMetadataRequested(RDS, RDS_RESOURCE);
     verifySubscribedResourcesMetadataSizes(1, 0, 1, 0);
@@ -1310,10 +1310,10 @@ public abstract class ClientXdsClientTestBase {
         Any.pack(mf.buildListenerWithFilterChain(LISTENER_RESOURCE, 7000, "0.0.0.0", filterChain));
     call.sendResponse(LDS, packedListener, VERSION_2, "0001");
     verify(ldsResourceWatcher, times(2)).onChanged(ldsUpdateCaptor.capture());
-    assertThat(ldsUpdateCaptor.getValue().listener().getFilterChains()).hasSize(1);
+    assertThat(ldsUpdateCaptor.getValue().listener().filterChains()).hasSize(1);
     parsedFilterChain = Iterables.getOnlyElement(
-        ldsUpdateCaptor.getValue().listener().getFilterChains());
+        ldsUpdateCaptor.getValue().listener().filterChains());
-    assertThat(parsedFilterChain.getHttpConnectionManager().virtualHosts()).hasSize(VHOST_SIZE);
+    assertThat(parsedFilterChain.httpConnectionManager().virtualHosts()).hasSize(VHOST_SIZE);
     verify(rdsResourceWatcher).onResourceDoesNotExist(RDS_RESOURCE);
     verifyResourceMetadataDoesNotExist(RDS, RDS_RESOURCE);
     verifyResourceMetadataAcked(
@@ -2608,15 +2608,15 @@ public abstract class ClientXdsClientTestBase {
         ResourceType.LDS, Collections.singletonList(LISTENER_RESOURCE), "0", "0000", NODE);
     verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
     EnvoyServerProtoData.Listener parsedListener = ldsUpdateCaptor.getValue().listener();
-    assertThat(parsedListener.getName()).isEqualTo(LISTENER_RESOURCE);
+    assertThat(parsedListener.name()).isEqualTo(LISTENER_RESOURCE);
-    assertThat(parsedListener.getAddress()).isEqualTo("0.0.0.0:7000");
+    assertThat(parsedListener.address()).isEqualTo("0.0.0.0:7000");
-    assertThat(parsedListener.getDefaultFilterChain()).isNull();
+    assertThat(parsedListener.defaultFilterChain()).isNull();
-    assertThat(parsedListener.getFilterChains()).hasSize(1);
+    assertThat(parsedListener.filterChains()).hasSize(1);
-    FilterChain parsedFilterChain = Iterables.getOnlyElement(parsedListener.getFilterChains());
+    FilterChain parsedFilterChain = Iterables.getOnlyElement(parsedListener.filterChains());
-    assertThat(parsedFilterChain.getFilterChainMatch().getApplicationProtocols()).isEmpty();
+    assertThat(parsedFilterChain.filterChainMatch().applicationProtocols()).isEmpty();
-    assertThat(parsedFilterChain.getHttpConnectionManager().rdsName())
+    assertThat(parsedFilterChain.httpConnectionManager().rdsName())
         .isEqualTo("route-foo.googleapis.com");
-    assertThat(parsedFilterChain.getHttpConnectionManager().httpFilterConfigs().get(0).filterConfig)
+    assertThat(parsedFilterChain.httpConnectionManager().httpFilterConfigs().get(0).filterConfig)
         .isEqualTo(RouterFilter.ROUTER_CONFIG);
 
     assertThat(fakeClock.getPendingTasks(LDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();

xds/src/test/java/io/grpc/xds/XdsClientWrapperForServerSdsTestMisc.java

@@ -29,6 +29,7 @@ import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.util.concurrent.SettableFuture;
 import io.grpc.Server;
 import io.grpc.ServerBuilder;
@@ -66,8 +67,6 @@ import io.netty.handler.codec.http2.Http2Settings;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
-import java.util.Arrays;
-import java.util.Collections;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
@@ -160,10 +159,10 @@ public class XdsClientWrapperForServerSdsTestMisc {
     assertThat(ldsWatched).isEqualTo("grpc/server?udpa.resource.listening_address=0.0.0.0:" + PORT);
 
     EnvoyServerProtoData.Listener listener =
-        new EnvoyServerProtoData.Listener(
+        EnvoyServerProtoData.Listener.create(
             "listener1",
             "10.1.2.3",
-            Collections.<EnvoyServerProtoData.FilterChain>emptyList(),
+            ImmutableList.of(),
             null);
     LdsUpdate listenerUpdate = LdsUpdate.forTcpListener(listener);
     xdsClient.ldsWatcher.onChanged(listenerUpdate);
@@ -268,7 +267,7 @@ public class XdsClientWrapperForServerSdsTestMisc {
     assertThat(returnedSupplier.getTlsContext()).isSameInstanceAs(tlsContext1);
     callUpdateSslContext(returnedSupplier);
     XdsServerTestHelper
-        .generateListenerUpdate(xdsClient, Arrays.<Integer>asList(1234), tlsContext2,
+        .generateListenerUpdate(xdsClient, ImmutableList.of(1234), tlsContext2,
             tlsContext3, tlsContextManager);
     returnedSupplier = getSslContextProviderSupplier(selectorManager.getSelectorToUpdateSelector());
     assertThat(returnedSupplier.getTlsContext()).isSameInstanceAs(tlsContext2);
@@ -379,7 +378,7 @@ public class XdsClientWrapperForServerSdsTestMisc {
     });
     xdsClient.ldsResource.get(5, TimeUnit.SECONDS);
     XdsServerTestHelper
-            .generateListenerUpdate(xdsClient, Arrays.<Integer>asList(), tlsContext,
+            .generateListenerUpdate(xdsClient, ImmutableList.of(), tlsContext,
                     tlsContextForDefaultFilterChain, tlsContextManager);
     start.get(5, TimeUnit.SECONDS);
     InetAddress ipRemoteAddress = InetAddress.getByName("10.4.5.6");

xds/src/test/java/io/grpc/xds/XdsSdsClientServerTest.java

@@ -49,6 +49,7 @@ import io.grpc.testing.GrpcCleanupRule;
 import io.grpc.testing.protobuf.SimpleRequest;
 import io.grpc.testing.protobuf.SimpleResponse;
 import io.grpc.testing.protobuf.SimpleServiceGrpc;
+import io.grpc.xds.EnvoyServerProtoData.ConnectionSourceType;
 import io.grpc.xds.EnvoyServerProtoData.DownstreamTlsContext;
 import io.grpc.xds.EnvoyServerProtoData.UpstreamTlsContext;
 import io.grpc.xds.Filter.FilterConfig;
@@ -364,15 +365,15 @@ public class XdsSdsClientServerTest {
       String name, String address, DownstreamTlsContext tlsContext,
       TlsContextManager tlsContextManager) {
     EnvoyServerProtoData.FilterChainMatch filterChainMatch =
-        new EnvoyServerProtoData.FilterChainMatch(
+        EnvoyServerProtoData.FilterChainMatch.create(
             0,
-            Arrays.<EnvoyServerProtoData.CidrRange>asList(),
+            ImmutableList.of(),
-            Arrays.<String>asList(),
+            ImmutableList.of(),
-            Arrays.<EnvoyServerProtoData.CidrRange>asList(),
+            ImmutableList.of(),
-            null,
+            ConnectionSourceType.ANY,
-            Arrays.<Integer>asList(),
+            ImmutableList.of(),
-            Arrays.<String>asList(),
+            ImmutableList.of(),
-            null);
+            "");
     String fullPath = "/" + SimpleServiceGrpc.SERVICE_NAME + "/" + "UnaryRpc";
     RouteMatch routeMatch =
             RouteMatch.create(
@@ -386,11 +387,11 @@ public class XdsSdsClientServerTest {
     HttpConnectionManager httpConnectionManager = HttpConnectionManager.forVirtualHosts(
             0L, Collections.singletonList(virtualHost),
             new ArrayList<NamedFilterConfig>());
-    EnvoyServerProtoData.FilterChain defaultFilterChain = new EnvoyServerProtoData.FilterChain(
+    EnvoyServerProtoData.FilterChain defaultFilterChain = EnvoyServerProtoData.FilterChain.create(
         "filter-chain-foo", filterChainMatch, httpConnectionManager, tlsContext,
         tlsContextManager);
-    EnvoyServerProtoData.Listener listener =
+    EnvoyServerProtoData.Listener listener = EnvoyServerProtoData.Listener.create(
-        new EnvoyServerProtoData.Listener(name, address, Arrays.asList(defaultFilterChain), null);
+        name, address, ImmutableList.of(defaultFilterChain), null);
     return listener;
   }
 

xds/src/test/java/io/grpc/xds/XdsServerTestHelper.java

@@ -18,11 +18,13 @@ package io.grpc.xds;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.util.concurrent.SettableFuture;
 import io.grpc.InsecureChannelCredentials;
 import io.grpc.internal.ObjectPool;
 import io.grpc.xds.Bootstrapper.BootstrapInfo;
+import io.grpc.xds.EnvoyServerProtoData.ConnectionSourceType;
 import io.grpc.xds.EnvoyServerProtoData.FilterChain;
 import io.grpc.xds.EnvoyServerProtoData.Listener;
 import io.grpc.xds.Filter.FilterConfig;
@@ -61,13 +63,13 @@ public class XdsServerTestHelper {
                                      EnvoyServerProtoData.DownstreamTlsContext tlsContext,
                                      TlsContextManager tlsContextManager) {
     EnvoyServerProtoData.Listener listener = buildTestListener("listener1", "10.1.2.3",
-            Arrays.<Integer>asList(), tlsContext, null, tlsContextManager);
+        ImmutableList.of(), tlsContext, null, tlsContextManager);
     LdsUpdate listenerUpdate = LdsUpdate.forTcpListener(listener);
     xdsClient.deliverLdsUpdate(listenerUpdate);
   }
 
   static void generateListenerUpdate(
-      FakeXdsClient xdsClient, List<Integer> sourcePorts,
+      FakeXdsClient xdsClient, ImmutableList<Integer> sourcePorts,
       EnvoyServerProtoData.DownstreamTlsContext tlsContext,
       EnvoyServerProtoData.DownstreamTlsContext tlsContextForDefaultFilterChain,
       TlsContextManager tlsContextManager) {
@@ -78,35 +80,45 @@ public class XdsServerTestHelper {
   }
 
   static EnvoyServerProtoData.Listener buildTestListener(
-      String name, String address, List<Integer> sourcePorts,
+      String name, String address, ImmutableList<Integer> sourcePorts,
       EnvoyServerProtoData.DownstreamTlsContext tlsContext,
       EnvoyServerProtoData.DownstreamTlsContext tlsContextForDefaultFilterChain,
       TlsContextManager tlsContextManager) {
     EnvoyServerProtoData.FilterChainMatch filterChainMatch1 =
-        new EnvoyServerProtoData.FilterChainMatch(
+        EnvoyServerProtoData.FilterChainMatch.create(
             0,
-            Arrays.<EnvoyServerProtoData.CidrRange>asList(),
+            ImmutableList.of(),
-            Arrays.<String>asList(),
+            ImmutableList.of(),
-            Arrays.<EnvoyServerProtoData.CidrRange>asList(),
+            ImmutableList.of(),
-            null,
+            ConnectionSourceType.ANY,
             sourcePorts,
-            Arrays.<String>asList(),
+            ImmutableList.of(),
-            null);
+            "");
+    EnvoyServerProtoData.FilterChainMatch defaultFilterChainMatch =
+        EnvoyServerProtoData.FilterChainMatch.create(
+            0,
+            ImmutableList.of(),
+            ImmutableList.of(),
+            ImmutableList.of(),
+            ConnectionSourceType.ANY,
+            ImmutableList.of(),
+            ImmutableList.of(),
+            "");
     VirtualHost virtualHost =
             VirtualHost.create(
                     "virtual-host", Collections.singletonList("auth"), new ArrayList<Route>(),
                     ImmutableMap.<String, FilterConfig>of());
     HttpConnectionManager httpConnectionManager = HttpConnectionManager.forVirtualHosts(
             0L, Collections.singletonList(virtualHost), new ArrayList<NamedFilterConfig>());
-    EnvoyServerProtoData.FilterChain filterChain1 = new EnvoyServerProtoData.FilterChain(
+    EnvoyServerProtoData.FilterChain filterChain1 = EnvoyServerProtoData.FilterChain.create(
         "filter-chain-foo", filterChainMatch1, httpConnectionManager, tlsContext,
         tlsContextManager);
-    EnvoyServerProtoData.FilterChain defaultFilterChain = new EnvoyServerProtoData.FilterChain(
+    EnvoyServerProtoData.FilterChain defaultFilterChain = EnvoyServerProtoData.FilterChain.create(
-        "filter-chain-bar", null, httpConnectionManager, tlsContextForDefaultFilterChain,
+        "filter-chain-bar", defaultFilterChainMatch, httpConnectionManager,
-        tlsContextManager);
+        tlsContextForDefaultFilterChain, tlsContextManager);
     EnvoyServerProtoData.Listener listener =
-        new EnvoyServerProtoData.Listener(
+        EnvoyServerProtoData.Listener.create(
-            name, address, Arrays.asList(filterChain1), defaultFilterChain);
+            name, address, ImmutableList.of(filterChain1), defaultFilterChain);
     return listener;
   }
 
@@ -202,8 +214,8 @@ public class XdsServerTestHelper {
 
     void deliverLdsUpdate(List<FilterChain> filterChains,
                                        FilterChain defaultFilterChain) {
-      ldsWatcher.onChanged(LdsUpdate.forTcpListener(new Listener(
+      ldsWatcher.onChanged(LdsUpdate.forTcpListener(Listener.create(
-              "listener", "0.0.0.0:1", filterChains, defaultFilterChain)));
+              "listener", "0.0.0.0:1", ImmutableList.copyOf(filterChains), defaultFilterChain)));
     }
 
     void deliverLdsUpdate(LdsUpdate ldsUpdate) {

xds/src/test/java/io/grpc/xds/XdsServerWrapperTest.java

@@ -234,8 +234,8 @@ public class XdsServerWrapperTest {
     assertThat(xdsClient.ldsResource).isNull();
     assertThat(xdsClient.shutdown).isTrue();
     verify(mockServer).shutdown();
-    assertThat(f0.getSslContextProviderSupplier().isShutdown()).isTrue();
+    assertThat(f0.sslContextProviderSupplier().isShutdown()).isTrue();
-    assertThat(f1.getSslContextProviderSupplier().isShutdown()).isTrue();
+    assertThat(f1.sslContextProviderSupplier().isShutdown()).isTrue();
     when(mockServer.isTerminated()).thenReturn(true);
     when(mockServer.awaitTermination(anyLong(), any(TimeUnit.class))).thenReturn(true);
     assertThat(xdsServerWrapper.awaitTermination(5, TimeUnit.SECONDS)).isTrue();
@@ -276,8 +276,8 @@ public class XdsServerWrapperTest {
     assertThat(xdsClient.ldsResource).isNull();
     assertThat(xdsClient.shutdown).isTrue();
     verify(mockServer).shutdown();
-    assertThat(f0.getSslContextProviderSupplier().isShutdown()).isTrue();
+    assertThat(f0.sslContextProviderSupplier().isShutdown()).isTrue();
-    assertThat(f1.getSslContextProviderSupplier().isShutdown()).isTrue();
+    assertThat(f1.sslContextProviderSupplier().isShutdown()).isTrue();
     assertThat(start.isDone()).isFalse(); //shall we set initialStatus when shutdown?
   }
 
@@ -335,7 +335,7 @@ public class XdsServerWrapperTest {
     xdsClient.ldsResource.get(5, TimeUnit.SECONDS);
     when(mockServer.start()).thenThrow(new IOException("error!"));
     FilterChain filterChain = createFilterChain("filter-chain-1", createRds("rds"));
-    SslContextProviderSupplier sslSupplier = filterChain.getSslContextProviderSupplier();
+    SslContextProviderSupplier sslSupplier = filterChain.sslContextProviderSupplier();
     xdsClient.deliverLdsUpdate(Collections.singletonList(filterChain), null);
     xdsClient.rdsCount.await(5, TimeUnit.SECONDS);
     xdsClient.deliverRdsUpdate("rds",
@@ -437,7 +437,7 @@ public class XdsServerWrapperTest {
                     ImmutableMap.<String, FilterConfig>of());
     HttpConnectionManager httpConnectionManager = HttpConnectionManager.forVirtualHosts(
             0L, Collections.singletonList(virtualHost), new ArrayList<NamedFilterConfig>());
-    EnvoyServerProtoData.FilterChain filterChain = new EnvoyServerProtoData.FilterChain(
+    EnvoyServerProtoData.FilterChain filterChain = EnvoyServerProtoData.FilterChain.create(
             "filter-chain-foo", createMatch(), httpConnectionManager, createTls(),
             mock(TlsContextManager.class));
     xdsClient.deliverLdsUpdate(Collections.singletonList(filterChain), null);
@@ -509,7 +509,7 @@ public class XdsServerWrapperTest {
     assertThat(realConfig.virtualHosts()).isEqualTo(
         Collections.singletonList(createVirtualHost("virtual-host-2")));
     assertThat(selectorManager.getSelectorToUpdateSelector().getDefaultSslContextProviderSupplier())
-        .isEqualTo(f3.getSslContextProviderSupplier());
+        .isEqualTo(f3.sslContextProviderSupplier());
   }
 
   @Test
@@ -557,7 +557,7 @@ public class XdsServerWrapperTest {
         Collections.singletonList(createVirtualHost("virtual-host-0")));
     assertThat(realConfig.interceptors()).isEqualTo(ImmutableMap.of());
     assertThat(selectorManager.getSelectorToUpdateSelector().getDefaultSslContextProviderSupplier())
-        .isSameInstanceAs(f2.getSslContextProviderSupplier());
+        .isSameInstanceAs(f2.sslContextProviderSupplier());
 
     EnvoyServerProtoData.FilterChain f3 = createFilterChain("filter-chain-3", createRds("r0"));
     EnvoyServerProtoData.FilterChain f4 = createFilterChain("filter-chain-4", createRds("r1"));
@@ -587,7 +587,7 @@ public class XdsServerWrapperTest {
     assertThat(realConfig.interceptors()).isEqualTo(ImmutableMap.of());
 
     assertThat(selectorManager.getSelectorToUpdateSelector().getDefaultSslContextProviderSupplier())
-        .isSameInstanceAs(f4.getSslContextProviderSupplier());
+        .isSameInstanceAs(f4.sslContextProviderSupplier());
     verify(mockServer, times(1)).start();
     xdsServerWrapper.shutdown();
     verify(mockServer, times(1)).shutdown();
@@ -675,7 +675,7 @@ public class XdsServerWrapperTest {
     verify(listener, times(1)).onNotServing(any(StatusException.class));
     verify(mockBuilder, times(1)).build();
     FilterChain filterChain0 = createFilterChain("filter-chain-0", createRds("rds"));
-    SslContextProviderSupplier sslSupplier0 = filterChain0.getSslContextProviderSupplier();
+    SslContextProviderSupplier sslSupplier0 = filterChain0.sslContextProviderSupplier();
     xdsClient.deliverLdsUpdate(Collections.singletonList(filterChain0), null);
     xdsClient.ldsWatcher.onError(Status.INTERNAL);
     assertThat(selectorManager.getSelectorToUpdateSelector())
@@ -688,7 +688,7 @@ public class XdsServerWrapperTest {
     when(mockServer.start()).thenThrow(new IOException("error!"))
             .thenReturn(mockServer);
     FilterChain filterChain1 = createFilterChain("filter-chain-1", createRds("rds"));
-    SslContextProviderSupplier sslSupplier1 = filterChain1.getSslContextProviderSupplier();
+    SslContextProviderSupplier sslSupplier1 = filterChain1.sslContextProviderSupplier();
     xdsClient.deliverLdsUpdate(Collections.singletonList(filterChain1), null);
     assertThat(sslSupplier0.isShutdown()).isTrue();
     xdsClient.deliverRdsUpdate("rds",
@@ -752,7 +752,7 @@ public class XdsServerWrapperTest {
             .thenThrow(new IOException("error2!"))
             .thenReturn(mockServer);
     FilterChain filterChain2 = createFilterChain("filter-chain-2", createRds("rds"));
-    SslContextProviderSupplier sslSupplier2 = filterChain2.getSslContextProviderSupplier();
+    SslContextProviderSupplier sslSupplier2 = filterChain2.sslContextProviderSupplier();
     xdsClient.deliverLdsUpdate(Collections.singletonList(filterChain2), null);
     xdsClient.deliverRdsUpdate("rds",
             Collections.singletonList(createVirtualHost("virtual-host-1")));
@@ -780,7 +780,7 @@ public class XdsServerWrapperTest {
 
     // serving after not serving
     FilterChain filterChain3 = createFilterChain("filter-chain-2", createRds("rds"));
-    SslContextProviderSupplier sslSupplier3 = filterChain3.getSslContextProviderSupplier();
+    SslContextProviderSupplier sslSupplier3 = filterChain3.sslContextProviderSupplier();
     xdsClient.deliverLdsUpdate(Collections.singletonList(filterChain3), null);
     xdsClient.deliverRdsUpdate("rds",
             Collections.singletonList(createVirtualHost("virtual-host-1")));
@@ -1187,7 +1187,7 @@ public class XdsServerWrapperTest {
   }
 
   private static FilterChain createFilterChain(String name, HttpConnectionManager hcm) {
-    return new EnvoyServerProtoData.FilterChain(name, createMatch(),
+    return EnvoyServerProtoData.FilterChain.create(name, createMatch(),
             hcm, createTls(), mock(TlsContextManager.class));
   }
 
@@ -1207,15 +1207,15 @@ public class XdsServerWrapperTest {
   }
 
   private static EnvoyServerProtoData.FilterChainMatch createMatch() {
-    return new EnvoyServerProtoData.FilterChainMatch(
+    return EnvoyServerProtoData.FilterChainMatch.create(
-            0,
+        0,
-            Arrays.<EnvoyServerProtoData.CidrRange>asList(),
+        ImmutableList.of(),
-            Arrays.<String>asList(),
+        ImmutableList.of(),
-            Arrays.<EnvoyServerProtoData.CidrRange>asList(),
+        ImmutableList.of(),
-            EnvoyServerProtoData.ConnectionSourceType.ANY,
+        EnvoyServerProtoData.ConnectionSourceType.ANY,
-            Arrays.<Integer>asList(),
+        ImmutableList.of(),
-            Arrays.<String>asList(),
+        ImmutableList.of(),
-            null);
+        "");
   }
 
   private static ServerRoutingConfig createRoutingConfig(String path, String domain,