Converted InetAddress type adapter to new style.

gson/src/main/java/com/google/gson/DefaultTypeAdapters.java

@@ -65,9 +65,7 @@ final class DefaultTypeAdapters {
   @SuppressWarnings("unchecked")
   private static final EnumTypeAdapter ENUM_TYPE_ADAPTER = new EnumTypeAdapter();
   private static final BitSetTypeAdapter BIT_SET_ADAPTER = new BitSetTypeAdapter();
-  private static final DefaultInetAddressAdapter INET_ADDRESS_ADAPTER =
+  private static final CollectionTypeAdapter COLLECTION_TYPE_ADAPTER = new CollectionTypeAdapter();
-      new DefaultInetAddressAdapter();
-      private static final CollectionTypeAdapter COLLECTION_TYPE_ADAPTER = new CollectionTypeAdapter();
   private static final MapTypeAdapter MAP_TYPE_ADAPTER = new MapTypeAdapter();
 
   private static final ByteTypeAdapter BYTE_TYPE_ADAPTER = new ByteTypeAdapter();
@@ -118,7 +116,6 @@ final class DefaultTypeAdapters {
     ParameterizedTypeHandlerMap<JsonSerializer<?>> map =
         new ParameterizedTypeHandlerMap<JsonSerializer<?>>();
     map.registerForTypeHierarchy(Enum.class, ENUM_TYPE_ADAPTER, true);
-    map.registerForTypeHierarchy(InetAddress.class, INET_ADDRESS_ADAPTER, true);
     map.registerForTypeHierarchy(Collection.class, COLLECTION_TYPE_ADAPTER, true);
     map.registerForTypeHierarchy(Map.class, MAP_TYPE_ADAPTER, true);
     map.makeUnmodifiable();
@@ -152,7 +149,6 @@ final class DefaultTypeAdapters {
     ParameterizedTypeHandlerMap<JsonDeserializer<?>> map =
         new ParameterizedTypeHandlerMap<JsonDeserializer<?>>();
     map.registerForTypeHierarchy(Enum.class, wrapDeserializer(ENUM_TYPE_ADAPTER), true);
-    map.registerForTypeHierarchy(InetAddress.class, wrapDeserializer(INET_ADDRESS_ADAPTER), true);
     map.registerForTypeHierarchy(Collection.class, wrapDeserializer(COLLECTION_TYPE_ADAPTER), true);
     map.registerForTypeHierarchy(Map.class, wrapDeserializer(MAP_TYPE_ADAPTER), true);
     map.makeUnmodifiable();
@@ -438,24 +434,6 @@ final class DefaultTypeAdapters {
     }
   }
 
-  static final class DefaultInetAddressAdapter
-      implements JsonDeserializer<InetAddress>, JsonSerializer<InetAddress> {
-
-    public InetAddress deserialize(JsonElement json, Type typeOfT,
-        JsonDeserializationContext context) throws JsonParseException {
-      try {
-        return InetAddress.getByName(json.getAsString());
-      } catch (UnknownHostException e) {
-        throw new JsonParseException(e);
-      }
-    }
-
-    public JsonElement serialize(InetAddress src, Type typeOfSrc,
-        JsonSerializationContext context) {
-      return new JsonPrimitive(src.getHostAddress());
-    }
-  }
-
   @SuppressWarnings("unchecked")
   private static final class EnumTypeAdapter<T extends Enum<T>>
       implements JsonSerializer<T>, JsonDeserializer<T> {

gson/src/main/java/com/google/gson/Gson.java

@@ -243,6 +243,7 @@ public final class Gson {
         .factory(TypeAdapters.URI_FACTORY)
         .factory(TypeAdapters.UUID_FACTORY)
         .factory(TypeAdapters.LOCALE_FACTORY)
+        .factory(TypeAdapters.INET_ADDRESS_FACTORY)
         .typeAdapter(BigDecimal.class, new BigDecimalTypeAdapter())
         .typeAdapter(BigInteger.class, new BigIntegerTypeAdapter())
         .factory(excludedTypeFactory)

gson/src/main/java/com/google/gson/internal/bind/MiniGson.java

@@ -166,8 +166,8 @@ public final class MiniGson {
       return this;
     }
 
-    public <T> Builder typeHierarchyAdapter(TypeToken<T> type, TypeAdapter<T> typeAdapter) {
+    public <T> Builder typeHierarchyAdapter(Class<T> clazz, TypeAdapter<T> typeAdapter) {
-      factories.add(TypeAdapters.newTypeHierarchyFactory(type, typeAdapter));
+      factories.add(TypeAdapters.newTypeHierarchyFactory(clazz, typeAdapter));
       return this;
     }
 

gson/src/main/java/com/google/gson/internal/bind/ObjectTypeAdapter.java

@@ -33,7 +33,7 @@ import java.util.Map;
 public final class ObjectTypeAdapter extends TypeAdapter<Object> {
   public static final Factory FACTORY = new Factory() {
     @SuppressWarnings("unchecked")
-    @Override public <T> TypeAdapter<T> create(MiniGson context, TypeToken<T> type) {
+    public <T> TypeAdapter<T> create(MiniGson context, TypeToken<T> type) {
       if (type.getRawType() == Object.class) {
         return (TypeAdapter<T>) new ObjectTypeAdapter(context);
       }

gson/src/main/java/com/google/gson/internal/bind/TypeAdapters.java

@@ -16,11 +16,8 @@
 
 package com.google.gson.internal.bind;
 
-import com.google.gson.reflect.TypeToken;
-import com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonToken;
-import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
+import java.net.InetAddress;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
@@ -28,6 +25,11 @@ import java.util.Locale;
 import java.util.StringTokenizer;
 import java.util.UUID;
 
+import com.google.gson.reflect.TypeToken;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+
 /**
  * Type adapters for basic types.
  */
@@ -173,6 +175,18 @@ public final class TypeAdapters {
 
   public static final TypeAdapter.Factory URI_FACTORY = newFactory(URI.class, URI);
 
+  public static final TypeAdapter<InetAddress> INET_ADDRESS = new TypeAdapter<InetAddress>() {
+    public InetAddress read(JsonReader reader) throws IOException {
+      return InetAddress.getByName(reader.nextString());
+    }
+    public void write(JsonWriter writer, InetAddress value) throws IOException {
+      writer.value(value.getHostAddress());
+    }
+  };
+
+  public static final TypeAdapter.Factory INET_ADDRESS_FACTORY =
+    newTypeHierarchyFactory(InetAddress.class, INET_ADDRESS);
+
   public static final TypeAdapter<UUID> UUID = new TypeAdapter<UUID>() {
     public UUID read(JsonReader reader) throws IOException {
       return java.util.UUID.fromString(reader.nextString());
@@ -257,11 +271,10 @@ public final class TypeAdapters {
   }
 
   public static <T> TypeAdapter.Factory newTypeHierarchyFactory(
-      TypeToken<T> type, TypeAdapter<T> typeAdapter) {
+      final Class<T> clazz, final TypeAdapter<T> typeAdapter) {
     return new TypeAdapter.Factory() {
       public <T> TypeAdapter<T> create(MiniGson context, TypeToken<T> typeToken) {
-        // TODO: use Inder's TypeHierarchyAdapter here
+        return clazz.isAssignableFrom(typeToken.getRawType()) ? (TypeAdapter<T>) typeAdapter : null;
-        throw new UnsupportedOperationException();
       }
     };
   }