setup ffsaf server

src/main/java/fr/titionfire/ffsaf/utils/JsonConsumer.java

@@ -0,0 +1,28 @@
+package fr.titionfire.ffsaf.utils;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.TreeNode;
+
+import java.util.function.Consumer;
+
+import static fr.titionfire.ffsaf.net2.Client_Thread.MAPPER;
+
+public class JsonConsumer<T> implements Consumer<T> {
+
+    private final Class<T> clazz;
+    private final Consumer<T> consumer;
+
+    public JsonConsumer(Class<T> clazz, Consumer<T> consumer){
+        this.clazz = clazz;
+        this.consumer = consumer;
+    }
+
+    public void castAndAccept (TreeNode message) throws JsonProcessingException {
+        this.accept(MAPPER.treeToValue(message, clazz));
+    }
+
+    @Override
+    public void accept(T t) {
+        consumer.accept(t);
+    }
+}