Add cats xml encoders

integrations/cats-xml/src/main/scala/com/geirolz/secret/catsxml/hashed/implicits.scala

@@ -0,0 +1,12 @@
+package com.geirolz.secret.catsxml.hashed
+
+import cats.xml.codec.Encoder
+import com.geirolz.secret.internal.SecretApi
+import com.geirolz.secret.strategy.SecretStrategy
+import com.geirolz.secret.{OneShotSecret, Secret}
+
+export com.geirolz.secret.catsxml.given_Decoder_Secret
+export com.geirolz.secret.catsxml.given_Decoder_OneShotSecret
+
+given [S[X] <: SecretApi[X], T]: Encoder[S[T]] =
+  Encoder.encodeString.contramap(_.hashed)

integrations/cats-xml/src/main/scala/com/geirolz/secret/catsxml/implicits.scala

@@ -1,6 +1,7 @@
 package com.geirolz.secret.catsxml
 
-import cats.xml.codec.Decoder
+import cats.xml.codec.{Decoder, Encoder}
+import com.geirolz.secret.internal.SecretApi
 import com.geirolz.secret.{OneShotSecret, Secret}
 import com.geirolz.secret.strategy.SecretStrategy
 
@@ -9,3 +10,6 @@ given [T: Decoder: SecretStrategy]: Decoder[Secret[T]] =
 
 given [T: Decoder: SecretStrategy]: Decoder[OneShotSecret[T]] =
   Decoder[T].map(OneShotSecret[T](_))
+
+given [S[X] <: SecretApi[X], T]: Encoder[S[T]] =
+  Encoder.encodeString.contramap(_.toString)

integrations/cats-xml/src/test/scala/com/geirolz/secret/catsxml/SecretCatsXmlSuite.scala

@@ -2,7 +2,8 @@ package com.geirolz.secret.catsxml
 
 import cats.xml.codec.Decoder.Result
 import cats.xml.{Xml, XmlData}
-import com.geirolz.secret.{OneShotSecret, Secret}
+import cats.xml.syntax.*
+import com.geirolz.secret.{secretTag, OneShotSecret, Secret}
 
 class SecretCatsXmlSuite extends munit.FunSuite:
 
@@ -19,3 +20,17 @@ class SecretCatsXmlSuite extends munit.FunSuite:
 
     result.toOption.get.euseAndDestroy(v => assert(v == "secret_value"))
   }
+
+  test("Secret should be encoded to json") {
+    val secret: Secret[String] = Secret("secret_value")
+    val result: Xml            = secret.toXml
+
+    assert(result == Xml.string(secretTag))
+  }
+
+  test("OneShotSecret should be encoded to json") {
+    val secret: OneShotSecret[String] = OneShotSecret("secret_value")
+    val result: Xml                   = secret.toXml
+
+    assert(result == Xml.string(secretTag))
+  }

integrations/cats-xml/src/test/scala/com/geirolz/secret/catsxml/hashed/SecretCatsXmlHashedSuite.scala

@@ -0,0 +1,36 @@
+package com.geirolz.secret.catsxml.hashed
+
+import cats.xml.codec.Decoder.Result
+import cats.xml.syntax.*
+import cats.xml.{Xml, XmlData}
+import com.geirolz.secret.{secretTag, OneShotSecret, Secret}
+
+class SecretCatsXmlHashedSuite extends munit.FunSuite:
+
+  test("Secret should be decoded from xml") {
+    val xml: XmlData.XmlString         = Xml.string("secret_value")
+    val result: Result[Secret[String]] = xml.as[Secret[String]]
+
+    result.toOption.get.euseAndDestroy(v => assert(v == "secret_value"))
+  }
+
+  test("OneShotSecret should be decoded from xml") {
+    val xml: XmlData.XmlString = Xml.string("secret_value")
+    val result                 = xml.as[OneShotSecret[String]]
+
+    result.toOption.get.euseAndDestroy(v => assert(v == "secret_value"))
+  }
+
+  test("Secret should be encoded to json") {
+    val secret: Secret[String] = Secret("secret_value")
+    val result: Xml            = secret.toXml
+
+    assert(result == Xml.string(secret.hashed))
+  }
+
+  test("OneShotSecret should be encoded to json") {
+    val secret: OneShotSecret[String] = OneShotSecret("secret_value")
+    val result: Xml                   = secret.toXml
+
+    assert(result == Xml.string(secret.hashed))
+  }