44 lines
1.4 KiB
Java
44 lines
1.4 KiB
Java
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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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class SqlTimestampTypeAdapter extends TypeAdapter<Timestamp> {
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static final TypeAdapterFactory FACTORY = 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 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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