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‎.gitignore‎

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.settings/
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.idea/
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*.iml
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.project
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.classpath

‎.project‎

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‎lib-incubator/.gitignore‎

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/target/
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/.resourceCache/

‎lib-incubator/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.javamoney.shelter</groupId>
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<artifactId>javamoney-shelter</artifactId>
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<version>0.5-SNAPSHOT</version>
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</parent>
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<artifactId>javamoney-lib-incubator</artifactId>
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<name>JavaMoney Library Incubator</name>
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<properties>
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<jsr.version>1.0</jsr.version>
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<ri.version>1.0</ri.version>
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<!-- dependency versions -->
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<testng.version>6.8.5</testng.version>
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<additionalparam>-Xdoclint:none</additionalparam>
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</properties>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.testng</groupId>
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<artifactId>testng</artifactId>
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<version>${testng.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>javax.money</groupId>
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<artifactId>money-api</artifactId>
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<version>${jsr.version}</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.javamoney</groupId>
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<artifactId>moneta</artifactId>
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<version>${ri.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.annotation</groupId>
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<artifactId>javax.annotation-api</artifactId>
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<version>1.2</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.8.2</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.testng</groupId>
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<artifactId>testng</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>

‎lib-incubator/src/main/java/org/javamoney/lib/incubator/convert/HistoricConversionQueryBuilder.java‎

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/*
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* Copyright (c) 2015, Werner Keil and others by the @author tag.
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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 org.javamoney.lib.incubator.convert;
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import java.time.LocalDate;
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import java.time.temporal.ChronoUnit;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Objects;
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import java.util.function.Predicate;
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import java.util.stream.Stream;
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import javax.money.CurrencyUnit;
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import javax.money.convert.ConversionQuery;
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import javax.money.convert.ConversionQueryBuilder;
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/**
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* Class builder to find exchange rate from historical.
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* @see {@link HistoricConversionQueryBuilder#of(CurrencyUnit)}
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* @author Otavio Santana
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*/
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public final class HistoricConversionQueryBuilder {
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private final ConversionQueryBuilder conversionQueryBuilder;
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private HistoricConversionQueryBuilder(ConversionQueryBuilder conversionQuery) {
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this.conversionQueryBuilder = conversionQuery;
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}
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/**
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* Create a {@link HistoricConversionQueryBuilder} from currency
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* @param currencyUnit to be used in term currency.
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* @return a HistoricConversionQuery from currency
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* @throws NullPointerException when currency is null
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*/
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public static HistoricConversionQueryBuilder of(CurrencyUnit currencyUnit) {
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Objects.requireNonNull(currencyUnit, "Currency is required");
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return new HistoricConversionQueryBuilder(ConversionQueryBuilder.of()
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.setTermCurrency(currencyUnit));
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}
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/**
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* Set a specify day on {@link HistoricConversionQueryBuilder}
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* @param localDate
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* @return this
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* @throws NullPointerException when {@link LocalDate} is null
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*/
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public HistoricConversionQueryWithDayBuilder withDay(LocalDate localDate) {
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Objects.requireNonNull(localDate);
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conversionQueryBuilder.set(LocalDate.class, localDate);
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return new HistoricConversionQueryWithDayBuilder(conversionQueryBuilder);
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}
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/**
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*Set days on {@link HistoricConversionQueryBuilder} to be used on ExchangeRateProvider,
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*these parameters will sort to most recent to be more priority than other.
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* @param localDates
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* @return this
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* @throws IllegalArgumentException when is empty or the parameter has an null value
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*/
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@SafeVarargs
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public final HistoricConversionQueryWithDayBuilder withDays(LocalDate... localDates) {
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Objects.requireNonNull(localDates);
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if(localDates.length == 0) {
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throw new IllegalArgumentException("LocalDates are required");
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}
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if(Stream.of(localDates).anyMatch(Predicate.isEqual(null))) {
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throw new IllegalArgumentException("LocalDates cannot be null");
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}
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Comparator<LocalDate> comparator = Comparator.naturalOrder();
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LocalDate[] sortedDates = Stream.of(localDates).sorted(comparator.reversed()).toArray(LocalDate[]::new);
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conversionQueryBuilder.set(LocalDate[].class, sortedDates);
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return new HistoricConversionQueryWithDayBuilder(conversionQueryBuilder);
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}
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/**
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*Set days on {@link HistoricConversionQueryBuilder} to be used on ExchangeRateProvider,
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*these parameters, different of {@link HistoricConversionQueryBuilder#withDays(LocalDate...)}, consider the order already defined.
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* @param localDates
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* @return this
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* @throws IllegalArgumentException when is empty or the parameter has an null value
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*/
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@SafeVarargs
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public final HistoricConversionQueryWithDayBuilder withDaysPriorityDefined(LocalDate... localDates) {
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Objects.requireNonNull(localDates);
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if(localDates.length == 0) {
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throw new IllegalArgumentException("LocalDates are required");
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}
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if(Stream.of(localDates).anyMatch(Predicate.isEqual(null))) {
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throw new IllegalArgumentException("LocalDates cannot be null");
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}
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conversionQueryBuilder.set(LocalDate[].class, localDates);
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return new HistoricConversionQueryWithDayBuilder(conversionQueryBuilder);
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}
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/**
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* Set the period of days on {@link HistoricConversionQueryBuilder}
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* to be used on ExchangeRateProvider,
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* @param begin
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* @param end
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* @return this;
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* <p>Example:</p>
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* <pre>
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* {@code
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*LocalDate today = LocalDate.parse("2015-04-03");
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*LocalDate yesterday = today.minusDays(1);
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*LocalDate tomorrow = today.plusDays(1);
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*ConversionQuery query = HistoricConversionQueryBuilder.of(real).onDaysBetween(yesterday, tomorrow).build();//the query with new LocalDate[] {tomorrow, today, yesterday}
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* }
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* </pre>
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* @throws NullPointerException when either begin or end is null
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* @throws IllegalArgumentException when the begin is bigger than end
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*/
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public final HistoricConversionQueryWithDayBuilder withDaysBetween(LocalDate begin, LocalDate end) {
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Objects.requireNonNull(begin);
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Objects.requireNonNull(end);
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if(end.isBefore(begin)) {
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throw new IllegalArgumentException("The end period should be bigger than the begin period.");
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}
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int days = (int) ChronoUnit.DAYS.between(begin, end);
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List<LocalDate> dates = new ArrayList<>();
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for(int index = days; index >= 0; index--) {
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dates.add(begin.plusDays(index));
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}
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conversionQueryBuilder.set(LocalDate[].class, dates.toArray(new LocalDate[dates.size()]));
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return new HistoricConversionQueryWithDayBuilder(conversionQueryBuilder);
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}
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/**
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* Create the {@link ConversionQuery} just with {@link CurrencyUnit}, to term currency, already defined.
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* @return the conversion query
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*/
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public ConversionQuery build() {
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return conversionQueryBuilder.build();
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}
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append(HistoricConversionQueryBuilder.class.getName())
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.append('{').append(" conversionQueryBuilder: ")
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.append(conversionQueryBuilder).append('}');
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return sb.toString();
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}
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public class HistoricConversionQueryWithDayBuilder {
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private final ConversionQueryBuilder conversionQueryBuilder;
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HistoricConversionQueryWithDayBuilder(
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ConversionQueryBuilder conversionQueryBuilder) {
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this.conversionQueryBuilder = conversionQueryBuilder;
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}
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/**
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* Create the {@link ConversionQuery} with {@link LocalDate} and {@link CurrencyUnit} to term currency already defined.
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* @return the conversion query
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*/
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public ConversionQuery build() {
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return conversionQueryBuilder.build();
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}
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append(HistoricConversionQueryWithDayBuilder.class.getName())
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.append('{').append(" conversionQueryBuilder: ")
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.append(conversionQueryBuilder).append('}');
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return sb.toString();
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}
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}
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}

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