World config and inventories

2026-10-08 11:46:28 +02:00
parent 466da86969
commit 741f60bb3b
24 changed files with 976 additions and 352 deletions
@@ -0,0 +1,47 @@
+package com.bernard.nodecames.util;
+
+import java.util.EnumSet;
+import java.util.Set;
+import java.util.function.BiConsumer;
+import java.util.function.BinaryOperator;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.stream.Collector;
+
+import tools.jackson.databind.JsonNode;
+import tools.jackson.databind.node.ArrayNode;
+import tools.jackson.databind.node.JsonNodeFactory;
+
+public class Utils {
+
+    private Utils() {}
+
+    public static final Collector<JsonNode,ArrayNode,ArrayNode> jsonNodeCollector(JsonNodeFactory jsn) {
+        return new Collector<JsonNode,ArrayNode,ArrayNode>() {
+            @Override
+            public Supplier<ArrayNode> supplier() {
+                return jsn::arrayNode;
+            }
+            @Override
+            public BiConsumer<ArrayNode, JsonNode> accumulator() {
+                return ArrayNode::add;
+            }
+            @Override
+            public BinaryOperator<ArrayNode> combiner() {
+                return (a,b) -> {
+                    a.addAll(b);
+                    return a;
+                };
+            }
+            @Override
+            public Function<ArrayNode, ArrayNode> finisher() {
+                return Function.identity();
+            }
+            @Override
+            public Set<Characteristics> characteristics() {
+                return EnumSet.of(Characteristics.IDENTITY_FINISH);
+            }
+        };
+    }
+
+}