Custom collector for vertx json array

Author: jaiswalakshay

json-array-collector/JsonArrayCollector.java

@@ -0,0 +1,46 @@
+package com.jaiswalakshay.utils;
+
+import io.vertx.core.json.JsonArray;
+
+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;
+
+/**
+ *  * @author Akshay
+ *   */
+public class JsonArrayCollector {
+
+    public static <T> Collector<T, JsonArray, JsonArray> toJsonArray() {
+        return new Collector<T, JsonArray, JsonArray>() {
+            @Override
+            public Supplier supplier() {
+                return JsonArray::new;
+            }
+
+            @Override
+            public BiConsumer<JsonArray, T> accumulator() {
+                return JsonArray::add;
+            }
+
+            @Override
+            public BinaryOperator<JsonArray> combiner() {
+                return JsonArray::addAll;
+            }
+
+            @Override
+            public Function<JsonArray, JsonArray> finisher() {
+                return Function.identity();
+            }
+
+            @Override
+            public Set<Characteristics> characteristics() {
+                return EnumSet.of(Collector.Characteristics.IDENTITY_FINISH);
+            }
+        };
+    }
+}