-/*\r
- * Copyright (C) 2011 Google Inc.\r
- *\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- */\r
-package com.google.gson.internal.bind;\r
-\r
-import com.google.gson.Gson;\r
-import com.google.gson.TypeAdapter;\r
-import com.google.gson.reflect.TypeToken;\r
-import com.google.gson.stream.JsonReader;\r
-import com.google.gson.stream.JsonWriter;\r
-import java.io.IOException;\r
-import java.lang.reflect.Type;\r
-import java.lang.reflect.TypeVariable;\r
-\r
-final class TypeAdapterRuntimeTypeWrapper<T> extends TypeAdapter<T> {\r
- private final Gson context;\r
- private final TypeAdapter<T> delegate;\r
- private final Type type;\r
-\r
- TypeAdapterRuntimeTypeWrapper(Gson context, TypeAdapter<T> delegate, Type type) {\r
- this.context = context;\r
- this.delegate = delegate;\r
- this.type = type;\r
- }\r
-\r
- @Override\r
- public T read(JsonReader in) throws IOException {\r
- return delegate.read(in);\r
- }\r
-\r
- @SuppressWarnings({"rawtypes", "unchecked"})\r
- @Override\r
- public void write(JsonWriter out, T value) throws IOException {\r
- // Order of preference for choosing type adapters\r
- // First preference: a type adapter registered for the runtime type\r
- // Second preference: a type adapter registered for the declared type\r
- // Third preference: reflective type adapter for the runtime type (if it is a sub class of the declared type)\r
- // Fourth preference: reflective type adapter for the declared type\r
-\r
- TypeAdapter chosen = delegate;\r
- Type runtimeType = getRuntimeTypeIfMoreSpecific(type, value);\r
- if (runtimeType != type) {\r
- TypeAdapter runtimeTypeAdapter = context.getAdapter(TypeToken.get(runtimeType));\r
- if (!(runtimeTypeAdapter instanceof ReflectiveTypeAdapterFactory.Adapter)) {\r
- // The user registered a type adapter for the runtime type, so we will use that\r
- chosen = runtimeTypeAdapter;\r
- } else if (!(delegate instanceof ReflectiveTypeAdapterFactory.Adapter)) {\r
- // The user registered a type adapter for Base class, so we prefer it over the\r
- // reflective type adapter for the runtime type\r
- chosen = delegate;\r
- } else {\r
- // Use the type adapter for runtime type\r
- chosen = runtimeTypeAdapter;\r
- }\r
- }\r
- chosen.write(out, value);\r
- }\r
-\r
- /**\r
- * Finds a compatible runtime type if it is more specific\r
- */\r
- private Type getRuntimeTypeIfMoreSpecific(Type type, Object value) {\r
- if (value != null\r
- && (type == Object.class || type instanceof TypeVariable<?> || type instanceof Class<?>)) {\r
- type = value.getClass();\r
- }\r
- return type;\r
- }\r
-}\r
+/*
+ * Copyright (C) 2011 Google Inc.
+ *
+ * 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 com.google.gson.internal.bind;
+
+import com.google.gson.Gson;
+import com.google.gson.TypeAdapter;
+import com.google.gson.reflect.TypeToken;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonWriter;
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.lang.reflect.TypeVariable;
+
+final class TypeAdapterRuntimeTypeWrapper<T> extends TypeAdapter<T> {
+ private final Gson context;
+ private final TypeAdapter<T> delegate;
+ private final Type type;
+
+ TypeAdapterRuntimeTypeWrapper(Gson context, TypeAdapter<T> delegate, Type type) {
+ this.context = context;
+ this.delegate = delegate;
+ this.type = type;
+ }
+
+ @Override
+ public T read(JsonReader in) throws IOException {
+ return delegate.read(in);
+ }
+
+ @SuppressWarnings({"rawtypes", "unchecked"})
+ @Override
+ public void write(JsonWriter out, T value) throws IOException {
+ // Order of preference for choosing type adapters
+ // First preference: a type adapter registered for the runtime type
+ // Second preference: a type adapter registered for the declared type
+ // Third preference: reflective type adapter for the runtime type (if it is a sub class of the declared type)
+ // Fourth preference: reflective type adapter for the declared type
+
+ TypeAdapter chosen = delegate;
+ Type runtimeType = getRuntimeTypeIfMoreSpecific(type, value);
+ if (runtimeType != type) {
+ TypeAdapter runtimeTypeAdapter = context.getAdapter(TypeToken.get(runtimeType));
+ if (!(runtimeTypeAdapter instanceof ReflectiveTypeAdapterFactory.Adapter)) {
+ // The user registered a type adapter for the runtime type, so we will use that
+ chosen = runtimeTypeAdapter;
+ } else if (!(delegate instanceof ReflectiveTypeAdapterFactory.Adapter)) {
+ // The user registered a type adapter for Base class, so we prefer it over the
+ // reflective type adapter for the runtime type
+ chosen = delegate;
+ } else {
+ // Use the type adapter for runtime type
+ chosen = runtimeTypeAdapter;
+ }
+ }
+ chosen.write(out, value);
+ }
+
+ /**
+ * Finds a compatible runtime type if it is more specific
+ */
+ private Type getRuntimeTypeIfMoreSpecific(Type type, Object value) {
+ if (value != null
+ && (type == Object.class || type instanceof TypeVariable<?> || type instanceof Class<?>)) {
+ type = value.getClass();
+ }
+ return type;
+ }
+}
projects / unical.git / blobdiff