Make trait -> traits to accept a list

Author: mtdowling

docs/source/1.0/guides/building-models/build-config.rst

@@ -76,7 +76,7 @@ The following is an example ``smithy-build.json`` configuration:
                         {
                             "name": "excludeShapesByTrait",
                             "args": {
-                                "trait": "internal"
+                                "traits": ["internal"]
                             }
                         }
                     ],
@@ -292,7 +292,7 @@ the :ref:`tags trait <tags-trait>`.
 excludeShapesByTrait
 --------------------
 
-Removes shapes if they are marked with a specific trait.
+Removes shapes if they are marked with one or more specific traits.
 
 .. list-table::
     :header-rows: 1
@@ -301,11 +301,12 @@ Removes shapes if they are marked with a specific trait.
     * - Property
       - Type
       - Description
-    * - trait
-      - ``string``
-      - The :ref:`shape ID <shape-id>` of a trait. If this trait is found on
-        a shape, the shape is removed from the model. Relative shape IDs are
-        assumed to be in the ``smithy.api`` prelude namespace.
+    * - traits
+      - ``[string]``
+      - A list of trait :ref:`shape IDs <shape-id>`. If any of these traits
+        are found on a shape, the shape is removed from the model. Relative
+        shape IDs are assumed to be in the ``smithy.api``
+        :ref:`prelude <prelude>` namespace.
 
 .. tabs::
 
@@ -319,7 +320,7 @@ Removes shapes if they are marked with a specific trait.
                         {
                             "name": "excludeShapesByTrait",
                             "args": {
-                                "trait": "internal"
+                                "traits": ["internal"]
                             }
                         }
                     ]

docs/source/1.0/guides/building-models/gradle-plugin.rst

@@ -248,7 +248,7 @@ projection. For example:
                         {
                             "name": "excludeShapesByTrait",
                             "args": {
-                                "trait": "internal"
+                                "traits": ["internal"]
                             }
                         },
                         {

smithy-build/src/main/java/software/amazon/smithy/build/transforms/ExcludeShapesByTrait.java

@@ -15,6 +15,9 @@
 
 package software.amazon.smithy.build.transforms;
 
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
 import software.amazon.smithy.build.TransformContext;
 import software.amazon.smithy.model.Model;
 import software.amazon.smithy.model.loader.Prelude;
@@ -26,24 +29,26 @@
 public final class ExcludeShapesByTrait extends ConfigurableProjectionTransformer<ExcludeShapesByTrait.Config> {
 
     public static final class Config {
-        private String trait;
+        private Set<String> traits = Collections.emptySet();
 
         /**
-         * Gets the shape ID of the trait to filter shapes by.
+         * Gets the shape IDs of the traits to filter shapes by.
          *
-         * @return Returns the trait shape ID.
+         * <p>Relative shape IDs are assumed to be in the smithy.api namespace.
+         *
+         * @return Returns the trait shape IDs.
          */
-        public String getTrait() {
-            return trait;
+        public Set<String> getTraits() {
+            return traits;
         }
 
         /**
-         * Sets the shape ID of the trait to filter shapes by.
+         * Sets the shape IDs of the traits to filter shapes by.
          *
-         * @param trait The shape ID of the trait that if present causes a shape to be removed.
+         * @param traits The shape IDs of the traits that if present causes a shape to be removed.
          */
-        public void setTrait(String trait) {
-            this.trait = trait;
+        public void setTraits(Set<String> traits) {
+            this.traits = traits;
         }
     }
 
@@ -58,9 +63,14 @@ public Class<Config> getConfigType() {
     }
 
     protected Model transformWithConfig(TransformContext context, Config config) {
-        // Default to smithy.api# if the given trait ID is relative.
-        ShapeId traitId = ShapeId.fromOptionalNamespace(Prelude.NAMESPACE, config.getTrait());
+        // Resolve relative IDs by defaulting to smithy.api# if the given trait ID is relative.
+        Set<ShapeId> ids = new HashSet<>(config.getTraits().size());
+        for (String id : config.getTraits()) {
+            ids.add(ShapeId.fromOptionalNamespace(Prelude.NAMESPACE, id));
+        }
 
-        return context.getTransformer().removeShapesIf(context.getModel(), shape -> shape.hasTrait(traitId));
+        return context.getTransformer().removeShapesIf(context.getModel(), shape -> {
+            return ids.stream().anyMatch(shape::hasTrait);
+        });
     }
 }

smithy-build/src/test/java/software/amazon/smithy/build/transforms/ExcludeShapesByTraitTest.java

@@ -23,7 +23,7 @@ public void removesShapesByTrait(String trait) {
                 .unwrap();
         TransformContext context = TransformContext.builder()
                 .model(model)
-                .settings(Node.objectNode().withMember("trait", Node.from(trait)))
+                .settings(Node.objectNode().withMember("traits", Node.fromStrings(trait)))
                 .build();
         Model result = new ExcludeShapesByTrait().transform(context);