Make all properties data classes

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

@@ -7,17 +7,20 @@
 package at.bitfire.dav4jvm
 
 import at.bitfire.dav4jvm.exception.InvalidPropertyException
-import org.xmlpull.v1.XmlPullParser
 import java.io.Serializable
 import java.util.LinkedList
 import java.util.logging.Level
 import java.util.logging.Logger
+import org.xmlpull.v1.XmlPullParser
 
 /**
  * Represents a WebDAV property.
  *
  * Every [Property] must define a static field (use `@JvmStatic`) called `NAME` of type [Property.Name],
  * which will be accessed by reflection.
+ *
+ * Every [Property] should be a data class in order to be able to compare it against others, and convert to a useful
+ * string for debugging.
  */
 interface Property {
 

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarHomeSet.kt

@@ -10,19 +10,23 @@ import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.property.webdav.HrefListProperty
 import org.xmlpull.v1.XmlPullParser
 
-class CalendarHomeSet: HrefListProperty() {
+data class CalendarHomeSet(
+    override val hrefs: List<String> = emptyList()
+): HrefListProperty(hrefs) {
 
     companion object {
+
         @JvmField
         val NAME = Property.Name(NS_CALDAV, "calendar-home-set")
+
     }
 
 
     object Factory: HrefListProperty.Factory() {
 
         override fun getName() = NAME
 
-        override fun create(parser: XmlPullParser) = create(parser, CalendarHomeSet())
+        override fun create(parser: XmlPullParser) = create(parser, ::CalendarHomeSet)
 
     }
 

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyReadFor.kt

@@ -10,7 +10,9 @@ import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.property.webdav.HrefListProperty
 import org.xmlpull.v1.XmlPullParser
 
-class CalendarProxyReadFor: HrefListProperty() {
+data class CalendarProxyReadFor(
+    override val hrefs: List<String> = emptyList()
+): HrefListProperty(hrefs) {
 
     companion object {
         @JvmField
@@ -22,7 +24,7 @@ class CalendarProxyReadFor: HrefListProperty() {
 
         override fun getName() = NAME
 
-        override fun create(parser: XmlPullParser) = create(parser, CalendarProxyReadFor())
+        override fun create(parser: XmlPullParser) = create(parser, ::CalendarProxyReadFor)
 
     }
 

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarProxyWriteFor.kt

@@ -10,7 +10,9 @@ import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.property.webdav.HrefListProperty
 import org.xmlpull.v1.XmlPullParser
 
-class CalendarProxyWriteFor: HrefListProperty() {
+data class CalendarProxyWriteFor(
+    override val hrefs: List<String> = emptyList()
+): HrefListProperty(hrefs) {
 
     companion object {
         @JvmField
@@ -22,7 +24,7 @@ class CalendarProxyWriteFor: HrefListProperty() {
 
         override fun getName() = NAME
 
-        override fun create(parser: XmlPullParser) = create(parser, CalendarProxyWriteFor())
+        override fun create(parser: XmlPullParser) = create(parser, ::CalendarProxyWriteFor)
 
     }
 

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarTimezoneId.kt

@@ -11,7 +11,7 @@ import at.bitfire.dav4jvm.PropertyFactory
 import at.bitfire.dav4jvm.XmlReader
 import org.xmlpull.v1.XmlPullParser
 
-class CalendarTimezoneId(
+data class CalendarTimezoneId(
     val identifier: String?
 ): Property {
 

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/CalendarUserAddressSet.kt

@@ -10,7 +10,9 @@ import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.property.webdav.HrefListProperty
 import org.xmlpull.v1.XmlPullParser
 
-class CalendarUserAddressSet: HrefListProperty() {
+data class CalendarUserAddressSet(
+    override val hrefs: List<String> = emptyList()
+): HrefListProperty(hrefs) {
 
     companion object {
         @JvmField
@@ -22,7 +24,7 @@ class CalendarUserAddressSet: HrefListProperty() {
 
         override fun getName() = NAME
 
-        override fun create(parser: XmlPullParser) = create(parser, CalendarUserAddressSet())
+        override fun create(parser: XmlPullParser) = create(parser, ::CalendarUserAddressSet)
 
     }
 

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/ScheduleTag.kt

@@ -13,16 +13,18 @@ import at.bitfire.dav4jvm.XmlReader
 import okhttp3.Response
 import org.xmlpull.v1.XmlPullParser
 
-class ScheduleTag(
-    rawScheduleTag: String?
+data class ScheduleTag(
+    val rawScheduleTag: String?
 ): Property {
 
     companion object {
+
         @JvmField
         val NAME = Property.Name(NS_CALDAV, "schedule-tag")
 
         fun fromResponse(response: Response) =
                 response.header("Schedule-Tag")?.let { ScheduleTag(it) }
+
     }
 
     /* Value:  opaque-tag

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/Source.kt

@@ -10,20 +10,24 @@ import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.property.webdav.HrefListProperty
 import org.xmlpull.v1.XmlPullParser
 
-class Source: HrefListProperty() {
+class Source(
+    override val hrefs: List<String> = emptyList()
+): HrefListProperty(hrefs) {
 
     companion object {
+
         @JvmField
         val NAME = Property.Name(NS_CALENDARSERVER, "source")
+
     }
 
 
     object Factory: HrefListProperty.Factory() {
 
         override fun getName() = NAME
 
-        override fun create(parser: XmlPullParser) = create(parser, Source())
+        override fun create(parser: XmlPullParser) = create(parser, ::Source)
 
     }
 
-}
+}

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarComponentSet.kt

@@ -12,9 +12,9 @@ import at.bitfire.dav4jvm.XmlUtils.propertyName
 import org.xmlpull.v1.XmlPullParser
 
 data class SupportedCalendarComponentSet(
-    var supportsEvents: Boolean,
-    var supportsTasks: Boolean,
-    var supportsJournal: Boolean
+    val supportsEvents: Boolean,
+    val supportsTasks: Boolean,
+    val supportsJournal: Boolean
 ): Property {
 
     companion object {
@@ -37,23 +37,29 @@ data class SupportedCalendarComponentSet(
                <!ELEMENT comp ((allprop | prop*), (allcomp | comp*))>
                <!ATTLIST comp name CDATA #REQUIRED>
             */
-            val components = SupportedCalendarComponentSet(false, false, false)
+            var components = SupportedCalendarComponentSet(
+                supportsEvents = false,
+                supportsTasks = false,
+                supportsJournal = false
+            )
 
             val depth = parser.depth
             var eventType = parser.eventType
             while (!(eventType == XmlPullParser.END_TAG && parser.depth == depth)) {
                 if (eventType == XmlPullParser.START_TAG && parser.depth == depth + 1) {
                     when (parser.propertyName()) {
                         ALLCOMP -> {
-                            components.supportsEvents = true
-                            components.supportsTasks = true
-                            components.supportsJournal = true
+                            components = SupportedCalendarComponentSet(
+                                supportsEvents = true,
+                                supportsTasks = true,
+                                supportsJournal = true
+                            )
                         }
                         COMP ->
                             when (parser.getAttributeValue(null, "name")?.uppercase()) {
-                                "VEVENT" -> components.supportsEvents = true
-                                "VTODO" -> components.supportsTasks = true
-                                "VJOURNAL" -> components.supportsJournal = true
+                                "VEVENT" -> components = components.copy(supportsEvents = true)
+                                "VTODO" -> components = components.copy(supportsTasks = true)
+                                "VJOURNAL" -> components = components.copy(supportsJournal = true)
                             }
                     }
                 }

src/main/kotlin/at/bitfire/dav4jvm/property/caldav/SupportedCalendarData.kt

@@ -12,7 +12,9 @@ import at.bitfire.dav4jvm.XmlReader
 import okhttp3.MediaType
 import org.xmlpull.v1.XmlPullParser
 
-class SupportedCalendarData: Property {
+data class SupportedCalendarData(
+    val types: Set<MediaType> = emptySet()
+): Property {
 
     companion object {
 
@@ -25,23 +27,19 @@ class SupportedCalendarData: Property {
 
     }
 
-    val types = mutableSetOf<MediaType>()
-
     fun hasJCal() = types.any { "application".equals(it.type, true) && "calendar+json".equals(it.subtype, true) }
 
-    override fun toString() = "[${types.joinToString(", ")}]"
-
 
     object Factory: PropertyFactory {
 
         override fun getName() = NAME
 
         override fun create(parser: XmlPullParser): SupportedCalendarData {
-            val supported = SupportedCalendarData()
+            val supportedTypes = mutableSetOf<MediaType>()
 
-            XmlReader(parser).readContentTypes(CALENDAR_DATA_TYPE, supported.types::add)
+            XmlReader(parser).readContentTypes(CALENDAR_DATA_TYPE, supportedTypes::add)
 
-            return supported
+            return SupportedCalendarData(supportedTypes)
         }
 
     }

src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressData.kt

@@ -12,16 +12,18 @@ import at.bitfire.dav4jvm.XmlReader
 import org.xmlpull.v1.XmlPullParser
 
 data class AddressData(
-        val card: String?
+    val card: String?
 ): Property {
 
     companion object {
+
         @JvmField
         val NAME = Property.Name(NS_CARDDAV, "address-data")
 
         // attributes
         const val CONTENT_TYPE = "content-type"
         const val VERSION = "version"
+
     }
 
 

src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookDescription.kt

@@ -12,7 +12,7 @@ import at.bitfire.dav4jvm.XmlReader
 import org.xmlpull.v1.XmlPullParser
 
 data class AddressbookDescription(
-    var description: String? = null
+    val description: String? = null
 ): Property {
 
     companion object {

src/main/kotlin/at/bitfire/dav4jvm/property/carddav/AddressbookHomeSet.kt

@@ -10,19 +10,23 @@ import at.bitfire.dav4jvm.Property
 import at.bitfire.dav4jvm.property.webdav.HrefListProperty
 import org.xmlpull.v1.XmlPullParser
 
-class AddressbookHomeSet: HrefListProperty() {
+class AddressbookHomeSet(
+    override val hrefs: List<String> = emptyList()
+): HrefListProperty(hrefs) {
 
     companion object {
+
         @JvmField
         val NAME = Property.Name(NS_CARDDAV, "addressbook-home-set")
+
     }
 
 
     object Factory: HrefListProperty.Factory() {
 
         override fun getName() = NAME
 
-        override fun create(parser: XmlPullParser) = create(parser, AddressbookHomeSet())
+        override fun create(parser: XmlPullParser) = create(parser, ::AddressbookHomeSet)
 
     }
 

src/main/kotlin/at/bitfire/dav4jvm/property/carddav/MaxResourceSize.kt

@@ -14,15 +14,21 @@ import org.xmlpull.v1.XmlPullParser
 data class MaxResourceSize(
     val maxSize: Long?
 ) : Property {
+
     companion object {
+
         @JvmField
         val NAME = Property.Name(NS_CARDDAV, "max-resource-size")
+
     }
 
     object Factory: PropertyFactory {
+
         override fun getName() = NAME
 
         override fun create(parser: XmlPullParser) =
             MaxResourceSize(XmlReader(parser).readLong())
+
     }
-}
+
+}

src/main/kotlin/at/bitfire/dav4jvm/property/carddav/SupportedAddressData.kt

@@ -12,7 +12,9 @@ import at.bitfire.dav4jvm.XmlReader
 import okhttp3.MediaType
 import org.xmlpull.v1.XmlPullParser
 
-class SupportedAddressData: Property {
+class SupportedAddressData(
+    val types: Set<MediaType> = emptySet()
+): Property {
 
     companion object {
 
@@ -25,8 +27,6 @@ class SupportedAddressData: Property {
 
     }
 
-    val types = mutableSetOf<MediaType>()
-
     fun hasVCard4() = types.any { "text/vcard; version=4.0".equals(it.toString(), true) }
     fun hasJCard() = types.any { "application".equals(it.type, true) && "vcard+json".equals(it.subtype, true) }
 
@@ -38,11 +38,11 @@ class SupportedAddressData: Property {
         override fun getName() = NAME
 
         override fun create(parser: XmlPullParser): SupportedAddressData {
-            val supported = SupportedAddressData()
+            val supportedTypes = mutableSetOf<MediaType>()
 
-            XmlReader(parser).readContentTypes(ADDRESS_DATA_TYPE, supported.types::add)
+            XmlReader(parser).readContentTypes(ADDRESS_DATA_TYPE, supportedTypes::add)
 
-            return supported
+            return SupportedAddressData(supportedTypes)
         }
 
     }

src/main/kotlin/at/bitfire/dav4jvm/property/webdav/AddMember.kt

@@ -18,14 +18,20 @@ import org.xmlpull.v1.XmlPullParser
 data class AddMember(
     val href: String?
 ): Property {
+
     companion object {
+
         @JvmField
         val NAME = Property.Name(NS_WEBDAV, "add-member")
+
     }
 
     object Factory: PropertyFactory {
+
         override fun getName() = NAME
 
         override fun create(parser: XmlPullParser) = AddMember(XmlReader(parser).readTextProperty(DavResource.HREF))
+
     }
-}
+
+}