Store Profile Picture on AWS

Save the profile picture to AWS so that the user need not retrieve it every time.

Lambdas/Lists/Picture/src/PictureGetter.java

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+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class PictureGetter implements CallHandler {
+    private final Connection connection;
+    private final String cognitoID;
+
+    private final String GET_ITEM = "SELECT * FROM Pictures WHERE cognitoID = ?;";
+
+    public PictureGetter(Connection connection, String cognitoID) {
+        this.connection = connection;
+        this.cognitoID = cognitoID;
+    }
+
+    @Override
+    public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryMap, String cognitoID) throws SQLException {
+        PreparedStatement statement = connection.prepareStatement(GET_ITEM);
+        if (!queryMap.get("id").toString().equals("profile")) {
+            throw new IllegalArgumentException("Only profile pictures are currently supported.");
+        }
+        statement.setString(1, cognitoID);
+        System.out.println(statement);
+        ResultSet queryResults = statement.executeQuery();
+        queryResults.first();
+        System.out.println(queryResults);
+        Picture retrievedPicture = new Picture(queryResults);
+//        System.out.println(retrievedPicture);
+        return retrievedPicture;
+    }
+}