summaryrefslogtreecommitdiff
path: root/taler-kotlin-android/src/main/java/net/taler/common/AmountMixin.kt
diff options
context:
space:
mode:
Diffstat (limited to 'taler-kotlin-android/src/main/java/net/taler/common/AmountMixin.kt')
-rw-r--r--taler-kotlin-android/src/main/java/net/taler/common/AmountMixin.kt51
1 files changed, 51 insertions, 0 deletions
diff --git a/taler-kotlin-android/src/main/java/net/taler/common/AmountMixin.kt b/taler-kotlin-android/src/main/java/net/taler/common/AmountMixin.kt
new file mode 100644
index 0000000..f9b1330
--- /dev/null
+++ b/taler-kotlin-android/src/main/java/net/taler/common/AmountMixin.kt
@@ -0,0 +1,51 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.common
+
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonMappingException
+import com.fasterxml.jackson.databind.SerializerProvider
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize
+import com.fasterxml.jackson.databind.annotation.JsonSerialize
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer
+import com.fasterxml.jackson.databind.ser.std.StdSerializer
+
+/**
+ * Used to support Jackson serialization along with KotlinX.
+ */
+@JsonSerialize(using = AmountSerializer::class)
+@JsonDeserialize(using = AmountDeserializer::class)
+abstract class AmountMixin
+
+class AmountSerializer : StdSerializer<Amount>(Amount::class.java) {
+ override fun serialize(value: Amount, gen: JsonGenerator, provider: SerializerProvider) {
+ gen.writeString(value.toJSONString())
+ }
+}
+
+class AmountDeserializer : StdDeserializer<Amount>(Amount::class.java) {
+ override fun deserialize(p: JsonParser, ctxt: DeserializationContext): Amount {
+ val node = p.codec.readValue(p, String::class.java)
+ try {
+ return Amount.fromJSONString(node)
+ } catch (e: AmountParserException) {
+ throw JsonMappingException(p, "Error parsing Amount", e)
+ }
+ }
+}