2023-01-31 23:05:12 +01:00
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/*
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* Copyright (C) 2020 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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2020-05-09 17:37:21 +02:00
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package com.google.gson.internal.sql;
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import com.google.gson.Gson;
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import com.google.gson.TypeAdapter;
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import com.google.gson.TypeAdapterFactory;
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import com.google.gson.reflect.TypeToken;
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import com.google.gson.stream.JsonReader;
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import com.google.gson.stream.JsonWriter;
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import java.io.IOException;
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import java.sql.Timestamp;
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import java.util.Date;
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2023-03-01 23:23:27 +01:00
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@SuppressWarnings("JavaUtilDate")
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2020-05-09 17:37:21 +02:00
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class SqlTimestampTypeAdapter extends TypeAdapter<Timestamp> {
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static final TypeAdapterFactory FACTORY =
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new TypeAdapterFactory() {
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@SuppressWarnings("unchecked") // we use a runtime check to make sure the 'T's equal
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@Override
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public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
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if (typeToken.getRawType() == Timestamp.class) {
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final TypeAdapter<Date> dateTypeAdapter = gson.getAdapter(Date.class);
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return (TypeAdapter<T>) new SqlTimestampTypeAdapter(dateTypeAdapter);
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} else {
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return null;
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}
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}
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};
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private final TypeAdapter<Date> dateTypeAdapter;
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private SqlTimestampTypeAdapter(TypeAdapter<Date> dateTypeAdapter) {
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this.dateTypeAdapter = dateTypeAdapter;
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}
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@Override
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public Timestamp read(JsonReader in) throws IOException {
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Date date = dateTypeAdapter.read(in);
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return date != null ? new Timestamp(date.getTime()) : null;
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}
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@Override
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public void write(JsonWriter out, Timestamp value) throws IOException {
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dateTypeAdapter.write(out, value);
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}
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}
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