Drop extraneous files

[unical.git] / gson / com / google / gson / TreeTypeAdapter.java

diff --git a/gson/com/google/gson/TreeTypeAdapter.java b/gson/com/google/gson/TreeTypeAdapter.java
deleted file mode 100644 (file)
index a05c1fe..0000000
--- a/gson/com/google/gson/TreeTypeAdapter.java
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * 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;
-
-import com.google.gson.internal.$Gson$Preconditions;
-import com.google.gson.internal.Streams;
-import com.google.gson.reflect.TypeToken;
-import com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonWriter;
-import java.io.IOException;
-
-/**
- * Adapts a Gson 1.x tree-style adapter as a streaming TypeAdapter. Since the
- * tree adapter may be serialization-only or deserialization-only, this class
- * has a facility to lookup a delegate type adapter on demand.
- */
-final class TreeTypeAdapter<T> extends TypeAdapter<T> {
-  private final JsonSerializer<T> serializer;
-  private final JsonDeserializer<T> deserializer;
-  private final Gson gson;
-  private final TypeToken<T> typeToken;
-  private final TypeAdapterFactory skipPast;
-
-  /** The delegate is lazily created because it may not be needed, and creating it may fail. */
-  private TypeAdapter<T> delegate;
-
-  private TreeTypeAdapter(JsonSerializer<T> serializer, JsonDeserializer<T> deserializer,
-      Gson gson, TypeToken<T> typeToken, TypeAdapterFactory skipPast) {
-    this.serializer = serializer;
-    this.deserializer = deserializer;
-    this.gson = gson;
-    this.typeToken = typeToken;
-    this.skipPast = skipPast;
-  }
-
-  @Override public T read(JsonReader in) throws IOException {
-    if (deserializer == null) {
-      return delegate().read(in);
-    }
-    JsonElement value = Streams.parse(in);
-    if (value.isJsonNull()) {
-      return null;
-    }
-    return deserializer.deserialize(value, typeToken.getType(), gson.deserializationContext);
-  }
-
-  @Override public void write(JsonWriter out, T value) throws IOException {
-    if (serializer == null) {
-      delegate().write(out, value);
-      return;
-    }
-    if (value == null) {
-      out.nullValue();
-      return;
-    }
-    JsonElement tree = serializer.serialize(value, typeToken.getType(), gson.serializationContext);
-    Streams.write(tree, out);
-  }
-
-  private TypeAdapter<T> delegate() {
-    TypeAdapter<T> d = delegate;
-    return d != null
-        ? d
-        : (delegate = gson.getDelegateAdapter(skipPast, typeToken));
-  }
-
-  /**
-   * Returns a new factory that will match each type against {@code exactType}.
-   */
-  public static TypeAdapterFactory newFactory(TypeToken<?> exactType, Object typeAdapter) {
-    return new SingleTypeFactory(typeAdapter, exactType, false, null);
-  }
-
-  /**
-   * Returns a new factory that will match each type and its raw type against
-   * {@code exactType}.
-   */
-  public static TypeAdapterFactory newFactoryWithMatchRawType(
-      TypeToken<?> exactType, Object typeAdapter) {
-    // only bother matching raw types if exact type is a raw type
-    boolean matchRawType = exactType.getType() == exactType.getRawType();
-    return new SingleTypeFactory(typeAdapter, exactType, matchRawType, null);
-  }
-
-  /**
-   * Returns a new factory that will match each type's raw type for assignability
-   * to {@code hierarchyType}.
-   */
-  public static TypeAdapterFactory newTypeHierarchyFactory(
-      Class<?> hierarchyType, Object typeAdapter) {
-    return new SingleTypeFactory(typeAdapter, null, false, hierarchyType);
-  }
-
-  private static class SingleTypeFactory implements TypeAdapterFactory {
-    private final TypeToken<?> exactType;
-    private final boolean matchRawType;
-    private final Class<?> hierarchyType;
-    private final JsonSerializer<?> serializer;
-    private final JsonDeserializer<?> deserializer;
-
-    private SingleTypeFactory(Object typeAdapter, TypeToken<?> exactType, boolean matchRawType,
-        Class<?> hierarchyType) {
-      serializer = typeAdapter instanceof JsonSerializer
-          ? (JsonSerializer<?>) typeAdapter
-          : null;
-      deserializer = typeAdapter instanceof JsonDeserializer
-          ? (JsonDeserializer<?>) typeAdapter
-          : null;
-      $Gson$Preconditions.checkArgument(serializer != null || deserializer != null);
-      this.exactType = exactType;
-      this.matchRawType = matchRawType;
-      this.hierarchyType = hierarchyType;
-    }
-
-    @SuppressWarnings("unchecked") // guarded by typeToken.equals() call
-    public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
-      boolean matches = exactType != null
-          ? exactType.equals(type) || matchRawType && exactType.getType() == type.getRawType()
-          : hierarchyType.isAssignableFrom(type.getRawType());
-      return matches
-          ? new TreeTypeAdapter<T>((JsonSerializer<T>) serializer,
-              (JsonDeserializer<T>) deserializer, gson, type, this)
-          : null;
-    }
-  }
-}