Added ApiClient for Replay Mod Website API (completely untested).

src/main/java/eu/crushedpixel/replaymod/api/client/GsonApiClient.java

@@ -0,0 +1,38 @@
+package eu.crushedpixel.replaymod.api.client;
+
+import java.io.IOException;
+import java.util.Map;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParser;
+
+public class GsonApiClient {	
+
+	private static final JsonParser parser = new JsonParser();
+	
+	public static JsonObject invoke(QueryBuilder query) throws IOException, ApiException {
+		String apiResult = SimpleApiClient.invoke(query);
+		return wrapWithJson(apiResult);
+	}
+
+	public static JsonObject invokeJson(String url) throws IOException, ApiException {
+		String apiResult =  SimpleApiClient.invokeUrl(url);
+		return wrapWithJson(apiResult);
+	}
+
+	public static JsonObject invokeJson(String apiKey, String method, Map<String,Object> paramMap) throws IOException, ApiException {
+		String apiResult =  SimpleApiClient.invoke(method, paramMap);
+		return wrapWithJson(apiResult);
+	}
+
+	public static JsonObject invokeJson(String apiKey, String method) throws IOException, ApiException {
+		String apiResult =  SimpleApiClient.invoke(method, null);
+		return wrapWithJson(apiResult);
+	}	
+	
+	private static JsonObject wrapWithJson(String apiResult) {
+		JsonElement element = parser.parse(apiResult);
+		return element.getAsJsonObject();
+	}
+}