MultilineTextDeserializer.java

Author: caoli5288

src/main/java/com/mengcraft/simpleorm/lib/GsonUtils.java

@@ -26,6 +26,7 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
+import java.util.Collection;
 import java.util.Map;
 import java.util.stream.Collectors;
 import java.util.stream.StreamSupport;
@@ -67,6 +68,7 @@ public static Gson createJsonInBuk() {
     public static Gson createJsonInBuk(FieldNamingPolicy policy) {
         GsonBuilder b = new GsonBuilder();
         b.registerTypeAdapterFactory(CustomTypeAdapter.newTypeHierarchyFactory(ConfigurationSerializable.class, new CustomSerializer()));
+        b.registerTypeAdapterFactory(CustomTypeAdapter.newTypeHierarchyFactory(Collection.class, new MultilineTextDeserializer()));
         // jsr310s
         b.registerTypeAdapter(LocalDateTime.class, new LocalDateTimeSerializer());
         b.registerTypeAdapter(LocalDate.class, new LocalDateSerializer());

src/main/java/com/mengcraft/simpleorm/lib/MultilineTextDeserializer.java

@@ -0,0 +1,27 @@
+package com.mengcraft.simpleorm.lib;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
+import com.google.gson.JsonPrimitive;
+
+import java.lang.reflect.Type;
+import java.util.Collection;
+
+public class MultilineTextDeserializer implements JsonDeserializer<Collection<?>> {
+
+    @Override
+    public Collection<?> deserialize(JsonElement element, Type type, JsonDeserializationContext context) throws JsonParseException {
+        if (element.isJsonPrimitive() && ((JsonPrimitive) element).isString()) {
+            JsonArray array = new JsonArray();
+            String[] split = element.getAsString().split("\n");
+            for (String line : split) {
+                array.add(new JsonPrimitive(line));
+            }
+            context.deserialize(array, type);
+        }
+        return null;
+    }
+}