improve resolver

openapi-parser-validator/src/main/java/io/openapiparser/schema/References.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2023 https://github.com/openapi-processor/openapi-parser
+ * PDX-License-Identifier: Apache-2.0
+ */
+
+package io.openapiparser.schema;
+
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+import java.util.*;
+import java.util.function.Consumer;
+
+public class References {
+ private static class RefEntry {
+ Ref ref;
+
+ public RefEntry (Ref ref) {
+ this.ref = ref;
+ }
+
+ @Override
+ public boolean equals (@Nullable Object o) {
+ if (this == o)
+ return true;
+
+ if (o == null || getClass () != o.getClass ())
+ return false;
+
+ RefEntry pending = (RefEntry) o;
+ return ref.getFullRefUri ().equals (pending.ref.getFullRefUri ());
+ }
+
+ @Override
+ public int hashCode () {
+ return Objects.hash (ref.getFullRef ());
+ }
+
+ @Override
+ public String toString () {
+ return ref.getFullRef ();
+ }
+ }
+
+ private final Set<RefEntry> references = new HashSet<> ();
+
+ public void add (Ref ref) {
+ references.add (new RefEntry (ref));
+ }
+
+ /**
+ * loop the references.
+ *
+ * @param consumer consumer callback that handles the ref
+ */
+ public void each (Consumer<Ref> consumer) {
+ for (RefEntry next : references) {
+ consumer.accept (next.ref);
+ }
+ }
+}