Added Path serializer, set public access for the different serializers used (which should be shared)

README.md

@@ -11,7 +11,7 @@ Maven Info
     <dependency>
       <groupId>com.dorkbox</groupId>
       <artifactId>Serializers</artifactId>
-      <version>2.3</version>
+      <version>2.4</version>
     </dependency>
 </dependencies>
 ```

build.gradle.kts

@@ -38,7 +38,7 @@ object Extras {
     // set for the project
     const val description = "Kryo based serializers"
     const val group = "com.dorkbox"
-    const val version = "2.3"
+    const val version = "2.4"
 
     // set as project.ext
     const val name = "Serializers"

src/dorkbox/serializers/FileSerializer.kt

@@ -25,6 +25,10 @@ import java.io.File
  * Serialize the path of a file instead of the File object
  */
 class FileSerializer : Serializer<File>() {
+    init {
+        isImmutable = true
+    }
+
     override fun write(kryo: Kryo, output: Output, file: File) {
         output.writeString(file.path)
     }

src/dorkbox/serializers/Inet4AddressSerializer.kt

@@ -8,6 +8,9 @@ import java.net.Inet4Address
 import java.net.InetAddress
 
 class Inet4AddressSerializer : Serializer<Inet4Address>() {
+    init {
+        isImmutable = true
+    }
 
     override fun write(kryo: Kryo, output: Output, inetAddress: Inet4Address) {
         output.writeBytes(inetAddress.address)

src/dorkbox/serializers/Inet6AddressSerializer.kt

@@ -8,6 +8,9 @@ import java.net.Inet6Address
 import java.net.InetAddress
 
 class Inet6AddressSerializer : Serializer<Inet6Address>() {
+    init {
+        isImmutable = true
+    }
 
     override fun write(kryo: Kryo, output: Output, inetAddress: Inet6Address) {
         output.writeBytes(inetAddress.address) // 16 bytes

src/dorkbox/serializers/PathSerializer.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2021 dorkbox, llc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package dorkbox.serializers
+
+import com.esotericsoftware.kryo.Kryo
+import com.esotericsoftware.kryo.Serializer
+import com.esotericsoftware.kryo.io.Input
+import com.esotericsoftware.kryo.io.Output
+import java.nio.file.Path
+import java.nio.file.Paths
+
+
+/**
+ * Serialize the path of a file instead of the Path object
+ */
+class PathSerializer : Serializer<Path>() {
+    init {
+        isImmutable = true
+    }
+
+    override fun write(kryo: Kryo, output: Output, path: Path) {
+        output.writeString(path.toString())
+    }
+
+    override fun read(kryo: Kryo, input: Input, type: Class<out Path>): Path {
+        val path = input.readString()
+        return Paths.get(path)
+    }
+}

src/dorkbox/serializers/SerializationDefaults.kt

@@ -16,23 +16,45 @@
 package dorkbox.serializers
 
 import com.esotericsoftware.kryo.Kryo
+import java.io.File
 import java.io.IOException
 import java.math.BigDecimal
+import java.net.Inet4Address
+import java.net.Inet6Address
 import java.net.URI
+import java.nio.file.Path
 import java.util.*
 import java.util.regex.Pattern
 
+@Suppress("MemberVisibilityCanBePrivate")
 object SerializationDefaults {
     /**
      * Gets the version number.
      */
-    const val version = "2.3"
+    const val version = "2.4"
 
     init {
         // Add this project to the updates system, which verifies this class + UUID + version information
         dorkbox.updates.Updates.add(SerializationDefaults::class.java, "316353f5338341a8a3edc01d702703f8", version)
     }
 
+    val regexSerializer by lazy { RegexSerializer() }
+    val uriSerializer by lazy { URISerializer() }
+    val uuidSerializer by lazy { UUIDSerializer() }
+
+    val collectionsSingletonMapSerializer by lazy { CollectionsSingletonMapSerializer() }
+    val collectionsSingletonListSerializer by lazy { CollectionsSingletonListSerializer() }
+    val collectionsSingletonSetSerializer by lazy { CollectionsSingletonSetSerializer() }
+
+    val enumSetSerializer by lazy { EnumSetSerializer() }
+    val enumMapSerializer by lazy { EnumMapSerializer() }
+    val arraysAsListSerializer by lazy { ArraysAsListSerializer() }
+
+    val inet4AddressSerializer by lazy { Inet4AddressSerializer() }
+    val inet6AddressSerializer by lazy { Inet6AddressSerializer() }
+    val fileSerializer by lazy { FileSerializer() }
+    val pathSerializer by lazy { PathSerializer() }
+
     /**
      * Allows for the kryo registration of sensible defaults in a common, well-used way.
      */
@@ -74,9 +96,9 @@ object SerializationDefaults {
         kryo.register(HashMap::class.java)
         kryo.register(HashSet::class.java)
 
-        kryo.register(EnumSet::class.java, EnumSetSerializer())
-        kryo.register(EnumMap::class.java, EnumMapSerializer())
-        kryo.register(Arrays.asList("").javaClass, ArraysAsListSerializer())
+        kryo.register(EnumSet::class.java, enumSetSerializer)
+        kryo.register(EnumMap::class.java, enumMapSerializer)
+        kryo.register(Arrays.asList("").javaClass, arraysAsListSerializer)
 
         kryo.register(emptyList<Any>().javaClass)
         kryo.register(emptySet<Any>().javaClass)
@@ -88,13 +110,18 @@ object SerializationDefaults {
         kryo.register(Collections.emptyNavigableSet<Any>().javaClass)
         kryo.register(Collections.emptyNavigableMap<Any, Any>().javaClass)
 
-        kryo.register(Collections.singletonMap("", "").javaClass, CollectionsSingletonMapSerializer())
-        kryo.register(listOf("").javaClass, CollectionsSingletonListSerializer())
-        kryo.register(setOf("").javaClass, CollectionsSingletonSetSerializer())
+        kryo.register(Collections.singletonMap("", "").javaClass, collectionsSingletonMapSerializer)
+        kryo.register(listOf("").javaClass, collectionsSingletonListSerializer)
+        kryo.register(setOf("").javaClass, collectionsSingletonSetSerializer)
 
-        kryo.register(Pattern::class.java, RegexSerializer())
-        kryo.register(URI::class.java, URISerializer())
-        kryo.register(UUID::class.java, UUIDSerializer())
+        kryo.register(Pattern::class.java, regexSerializer)
+        kryo.register(URI::class.java, uriSerializer)
+        kryo.register(UUID::class.java, uuidSerializer)
+
+        kryo.register(Inet4Address::class.java, inet4AddressSerializer)
+        kryo.register(Inet6Address::class.java, inet6AddressSerializer)
+        kryo.register(File::class.java, fileSerializer)
+        kryo.register(Path::class.java, pathSerializer)
 
         UnmodifiableCollectionsSerializer.registerSerializers(kryo)
         SynchronizedCollectionsSerializer.registerSerializers(kryo)