API version-dependent transaction sending

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / json / Gateway.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/json/Gateway.java b/app/src/main/java/net/ktnx/mobileledger/json/Gateway.java
new file mode 100644 (file)
index 0000000..9778967
--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/json/Gateway.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright © 2020 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * MoLe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.json;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+
+import net.ktnx.mobileledger.model.LedgerTransaction;
+
+abstract public class Gateway {
+    public static Gateway forApiVersion(API apiVersion) {
+        switch (apiVersion) {
+            case v1_14:
+                return new net.ktnx.mobileledger.json.v1_14.Gateway();
+            case v1_15:
+                return new net.ktnx.mobileledger.json.v1_15.Gateway();
+            case v1_19_1:
+                return new net.ktnx.mobileledger.json.v1_19_1.Gateway();
+            default:
+                throw new RuntimeException("Unsupported JSON API version " + apiVersion);
+        }
+    }
+    public abstract String transactionSaveRequest(LedgerTransaction ledgerTransaction)
+            throws JsonProcessingException;
+}