Merge pull request #19 from RIT-SWEN-262/import-export

Import export

1 files changed, 35 insertions, 21 deletions

diff --git a/src/main/java/design/persistence/JSONPersonalDatabase.java b/src/main/java/design/persistence/JSONPersonalDatabase.java
index 30c280a..b92dddf 100644
--- a/src/main/java/design/persistence/JSONPersonalDatabase.java
+++ b/src/main/java/design/persistence/JSONPersonalDatabase.java
@@ -1,14 +1,7 @@
 package design.persistence;
 
-import com.fasterxml.jackson.annotation.JsonAutoDetect;
-import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.PropertyAccessor;
-import com.fasterxml.jackson.core.StreamReadFeature;
 import com.fasterxml.jackson.databind.*;
-import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.databind.module.SimpleModule;
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
 import design.model.Course;
 import design.model.Golfer;
 import design.model.League;
@@ -36,21 +29,10 @@ public class JSONPersonalDatabase implements PersonalDatabase {
     private JSONPersonalDatabase(String filename) {
         this.file = new File(filename);
         this.cache = new HashMap<>();
-        this.mapper = JsonMapper.builder().enable(StreamReadFeature.INCLUDE_SOURCE_IN_LOCATION).build();;
+        this.mapper = new ObjectMapper();
 
-        // TODO: Once the saved JSON matches the model, consider removing.
-        // TEMP: tolerate unknown props while the model stabilizes
-        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-
-        SimpleModule module = new SimpleModule();
-        module.addDeserializer(Course.class, new Serializers.CourseIdDeserializer());
-        module.addSerializer(Course.class, new Serializers.CourseIdSerializer());
-        module.addSerializer(League.class, new Serializers.LeagueIDSerializer());
-        module.addDeserializer(League.class, new Serializers.LeagueIDDeserializer());
-        mapper.registerModule(module);
-        mapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
-        mapper.registerModule(new ParameterNamesModule(JsonCreator.Mode.PROPERTIES));
-        mapper.registerModule(new JavaTimeModule());
+        Serializers.configureMapper(mapper);
+        mapper.registerModule(this.getJacksonModule());
 
         try {
             load();
@@ -100,4 +82,36 @@ public class JSONPersonalDatabase implements PersonalDatabase {
         cache.put(golfer.getUsername(), golfer);
         save();
     }
+
+    @Override
+    public void importData(Object rawData) throws IOException {
+        if (!(rawData instanceof Golfer[] data)) {
+            throw new ClassCastException();
+        }
+        cache.clear();
+        for (Golfer golfer : data) {
+            cache.put(golfer.getUsername(), golfer);
+        }
+        save();
+    }
+
+    @Override
+    public Golfer[] exportData() {
+        return getGolfers();
+    }
+
+    @Override
+    public SimpleModule getJacksonModule() {
+        SimpleModule module = new SimpleModule();
+        module.addDeserializer(Course.class, new Serializers.CourseIdDeserializer());
+        module.addSerializer(Course.class, new Serializers.CourseIdSerializer());
+        module.addSerializer(League.class, new Serializers.LeagueIDSerializer());
+        module.addDeserializer(League.class, new Serializers.LeagueIDDeserializer());
+        return module;
+    }
+
+    @Override
+    public Class<?> getTargetClass() {
+        return Golfer[].class;
+    }
 }