/*
* Copyright (C) 2008 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 java.lang.reflect.GenericArrayType;
import java.lang.reflect.Type;
/**
* An simple pojo-like immutable instance of the {@link GenericArrayType}. This object provides
* us the ability to create reflective types on demand. This object is required for support
* object similar to the one defined below:
* <pre>
* class Foo<T> {
* private final List<T>[] arrayOfListT;
*
* Foo(List<T>[] arrayList) {
* this.arrayOfListT = arrayList;
* }
* }
* </pre>
*
* <p>During parsing or serialization, we know the real variable type parameter {@code T},
* so we can build a new {@code GenericTypeArray} with the "real" type parameters and
* pass that object along instead.
*
* @author Inderjeet Singh
* @author Joel Leitch
*/
final class GenericArrayTypeImpl implements GenericArrayType {
private final Type genericComponentType;
public GenericArrayTypeImpl(Type genericComponentType) {
this.genericComponentType = genericComponentType;
}
public Type getGenericComponentType() {
return genericComponentType;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof GenericArrayType)) {
return false;
} else {
GenericArrayType that = (GenericArrayType) o;
Type thatComponentType = that.getGenericComponentType();
return genericComponentType == null ?
thatComponentType == null : genericComponentType.equals(thatComponentType);
}
}
@Override
public int hashCode() {
return (genericComponentType == null) ? 0 : genericComponentType.hashCode();
}
}