1 files changed, 50 insertions, 0 deletions
diff --git a/src/eu/equalparts/cardbase/json/JSON.java b/src/eu/equalparts/cardbase/json/JSON.java
new file mode 100644
index 0000000..b06f205
--- /dev/null
+++ b/src/eu/equalparts/cardbase/json/JSON.java
@@ -0,0 +1,50 @@
+package eu.equalparts.cardbase.json;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+
+import eu.equalparts.cardbase.card.Card;
+
+/**
+ * This class simply holds an {@code ObjectMapper} to be used whenever JSON must be parsed.
+ * In the future it may be removed in favour of individual mappers for each function.
+ * 
+ * @author Eduardo Pedroni
+ */
+public final class JSON {
+	
+	/**
+	 * The Jackson {@code ObjectMapper} which parses fetched JSON files.
+	 */
+	public static final ObjectMapper mapper = createMapper();
+
+	/**
+	 * Private constructor, this class is not to be instantiated.
+	 */
+	private JSON() {}
+	
+	/**
+	 * Instantiate and configure Jackson mapper statically. 
+	 * 
+	 * @return the {@code ObjectMapper}, ready to use.
+	 */
+	private static ObjectMapper createMapper() {
+		ObjectMapper objectMapper = new ObjectMapper();
+		// classes don't necessarily use all json fields
+		objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+		// disable auto detection
+		objectMapper.disable(MapperFeature.AUTO_DETECT_CREATORS,
+	            MapperFeature.AUTO_DETECT_FIELDS,
+	            MapperFeature.AUTO_DETECT_GETTERS,
+	            MapperFeature.AUTO_DETECT_IS_GETTERS);
+		
+		SimpleModule sm = new SimpleModule();
+		sm.addDeserializer(Card.class, new CardDeserializer());
+		sm.addSerializer(Card.class, new CardSerializer());
+		
+		objectMapper.registerModule(sm);
+		return objectMapper;
+	}
+}