WebDAV Push: add push-message property

.gitignore

@@ -10,7 +10,7 @@
 
 # Java/Kotlin files
 *.class
-kotlin/
+.kotlin/
 
 # Generated files
 bin/

src/main/kotlin/at/bitfire/dav4jvm/PropertyRegistry.kt

@@ -23,6 +23,7 @@ import at.bitfire.dav4jvm.property.carddav.AddressData
 import at.bitfire.dav4jvm.property.carddav.AddressbookDescription
 import at.bitfire.dav4jvm.property.carddav.AddressbookHomeSet
 import at.bitfire.dav4jvm.property.carddav.SupportedAddressData
+import at.bitfire.dav4jvm.property.push.PushMessage
 import at.bitfire.dav4jvm.property.push.PushSubscribe
 import at.bitfire.dav4jvm.property.push.PushTransports
 import at.bitfire.dav4jvm.property.push.Subscription
@@ -84,6 +85,7 @@ object PropertyRegistry {
             at.bitfire.dav4jvm.property.caldav.MaxResourceSize.Factory,
             at.bitfire.dav4jvm.property.carddav.MaxResourceSize.Factory,
             Owner.Factory,
+            PushMessage.Factory,
             PushSubscribe.Factory,
             PushTransports.Factory,
             QuotaAvailableBytes.Factory,

src/main/kotlin/at/bitfire/dav4jvm/property/push/PushMessage.kt

@@ -0,0 +1,40 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+package at.bitfire.dav4jvm.property.push
+
+import at.bitfire.dav4jvm.Property
+import at.bitfire.dav4jvm.PropertyFactory
+import at.bitfire.dav4jvm.XmlUtils
+import org.xmlpull.v1.XmlPullParser
+
+/**
+ * Represents a `{DAV:Push}push-message` property.
+ *
+ * Experimental! See https://github.com/bitfireAT/webdav-push/
+ */
+class PushMessage(
+    val topic: String?
+): Property {
+
+    companion object {
+
+        @JvmField
+        val NAME = Property.Name(NS_WEBDAV_PUSH, "push-message")
+
+    }
+
+
+    object Factory: PropertyFactory {
+
+        override fun getName() = NAME
+
+        override fun create(parser: XmlPullParser) =
+            PushMessage(XmlUtils.readTextProperty(parser, Topic.NAME))
+
+    }
+
+}