72 lines
2.1 KiB
Java
72 lines
2.1 KiB
Java
/*
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* Copyright (C) 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.gson;
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import java.lang.reflect.GenericArrayType;
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import java.lang.reflect.Type;
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/**
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* An simple pojo-like immutable instance of the {@link GenericArrayType}. This object provides
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* us the ability to create reflective types on demand. This object is required for support
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* object similar to the one defined below:
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* <pre>
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* class Foo<T> {
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* private final List<T>[] arrayOfListT;
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*
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* Foo(List<T>[] arrayList) {
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* this.arrayOfListT = arrayList;
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* }
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* }
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* </pre>
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*
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* <p>During parsing or serialization, we know the real variable type parameter {@code T},
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* so we can build a new {@code GenericTypeArray} with the "real" type parameters and
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* pass that object along instead.
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*
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* @author Inderjeet Singh
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* @author Joel Leitch
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*/
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final class GenericArrayTypeImpl implements GenericArrayType {
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private final Type genericComponentType;
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public GenericArrayTypeImpl(Type genericComponentType) {
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this.genericComponentType = genericComponentType;
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}
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public Type getGenericComponentType() {
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return genericComponentType;
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}
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@Override
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public boolean equals(Object o) {
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if (!(o instanceof GenericArrayType)) {
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return false;
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} else {
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GenericArrayType that = (GenericArrayType) o;
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Type thatComponentType = that.getGenericComponentType();
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return genericComponentType == null ?
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thatComponentType == null : genericComponentType.equals(thatComponentType);
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}
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}
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@Override
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public int hashCode() {
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return (genericComponentType == null) ? 0 : genericComponentType.hashCode();
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}
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}
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