added currency class
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457f53f08f
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@ -232,6 +232,7 @@ public final class Gson {
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factories.add(TypeAdapters.URL_FACTORY);
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factories.add(TypeAdapters.URI_FACTORY);
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factories.add(TypeAdapters.UUID_FACTORY);
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factories.add(TypeAdapters.CURRENCY_FACTORY);
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factories.add(TypeAdapters.LOCALE_FACTORY);
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factories.add(TypeAdapters.INET_ADDRESS_FACTORY);
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factories.add(TypeAdapters.BIT_SET_FACTORY);
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@ -27,6 +27,7 @@ import java.sql.Timestamp;
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import java.util.ArrayList;
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import java.util.BitSet;
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import java.util.Calendar;
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import java.util.Currency;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.HashMap;
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@ -576,6 +577,18 @@ public final class TypeAdapters {
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public static final TypeAdapterFactory UUID_FACTORY = newFactory(UUID.class, UUID);
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public static final TypeAdapter<Currency> CURRENCY = new TypeAdapter<Currency>() {
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@Override
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public Currency read(JsonReader in) throws IOException {
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return Currency.getInstance(in.nextString());
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}
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@Override
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public void write(JsonWriter out, Currency value) throws IOException {
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out.value(value.getCurrencyCode());
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}
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}.nullSafe();
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public static final TypeAdapterFactory CURRENCY_FACTORY = newFactory(Currency.class, CURRENCY);
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public static final TypeAdapterFactory TIMESTAMP_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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@ -0,0 +1,52 @@
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/*
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* Copyright (C) 2015 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.functional;
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import java.util.Currency;
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import com.google.gson.Gson;
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import junit.framework.TestCase;
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/**
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* Functional test for Json serialization and deserialization for classes in java.util
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*/
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public class JavaUtilTest extends TestCase {
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private Gson gson;
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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gson = new Gson();
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}
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public void testCurrency() throws Exception {
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CurrencyHolder target = gson.fromJson("{'value':'USD'}", CurrencyHolder.class);
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assertEquals("USD", target.value.getCurrencyCode());
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String json = gson.toJson(target);
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assertEquals("{\"value\":\"USD\"}", json);
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// null handling
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target = gson.fromJson("{'value':null}", CurrencyHolder.class);
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assertNull(target.value);
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assertEquals("{}", gson.toJson(target));
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}
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private static class CurrencyHolder {
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Currency value;
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}
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}
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