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JSR 354 provides an API for representing, transporting, and performing comprehensive calculations with Money and Currency. This module implements JSR 354. This module provides the test code that is compatible with both the Java 7 and the Java 8 based API. The targeted API must be provided as well as the implementation under test to execute this TCK.
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/*
 * Copyright (c) 2012, 2013, Werner Keil, Credit Suisse (Anatole Tresch). Licensed under the Apache
 * License, Version 2.0 (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License. Contributors: Anatole Tresch - initial version.
 */
package org.javamoney.tck.tests.internal;

import org.javamoney.tck.tests.conversion.TestExchangeRate;

import javax.money.CurrencyUnit;
import javax.money.MonetaryAmount;
import javax.money.Monetary;
import javax.money.convert.ConversionContext;
import javax.money.convert.ConversionContextBuilder;
import javax.money.convert.ConversionQuery;
import javax.money.convert.CurrencyConversion;
import javax.money.convert.ExchangeRate;
import javax.money.convert.ExchangeRateProvider;
import javax.money.convert.ProviderContext;
import javax.money.convert.ProviderContextBuilder;
import javax.money.convert.RateType;
import java.util.Objects;

/**
 * Test ExchangeProvider. Created by Anatole on 26.04.2014.
 */
public class TestRateProvider implements ExchangeRateProvider {

    private ProviderContext PC = ProviderContextBuilder.of("TestRateProvider", RateType.OTHER).build();
    private ConversionContext CC = ConversionContextBuilder.create(PC, RateType.OTHER).build();
    private CurrencyUnit TERM = new TestCurrencyUnit("FOO");

    private CurrencyConversion CONVERSION = new CurrencyConversion() {

        @Override
        public CurrencyUnit getCurrency() {
            return TERM;
        }

        @Override
        public ConversionContext getContext() {
            return CC;
        }

        @Override
        public ExchangeRate getExchangeRate(MonetaryAmount sourceAmount) {
            return new TestExchangeRate.Builder(CC).setFactor(new TestNumberValue(2))
                    .setBase(sourceAmount.getCurrency()).setTerm(TERM).build();
        }

        @Override
        public ExchangeRateProvider getExchangeRateProvider() {
            return TestRateProvider.this;
        }

        @Override
        public MonetaryAmount apply(MonetaryAmount value) {
            return value.multiply(2).getFactory().setCurrency(TERM).create();
        }
    };

    @Override
    public ProviderContext getContext() {
        return PC;
    }

    @Override
    public boolean isAvailable(CurrencyUnit base, CurrencyUnit term) {
        Objects.requireNonNull(base);
        Objects.requireNonNull(term);
        return "FOO".equals(term.getCurrencyCode()) || "XXX".equals(term.getCurrencyCode());
    }

    @Override
    public boolean isAvailable(ConversionQuery conversionContext) {
        Objects.requireNonNull(conversionContext);
        Objects.requireNonNull(conversionContext.getCurrency());
        return "FOO".equals(conversionContext.getCurrency().getCurrencyCode()) ||
                "XXX".equals(conversionContext.getCurrency().getCurrencyCode());
    }

    @Override
    public boolean isAvailable(String baseCode, String termCode) {
        return "Foo".equals(termCode) || "XXX".equals(termCode);
    }


    @Override
    public ExchangeRate getExchangeRate(CurrencyUnit base, CurrencyUnit term) {
        if (isAvailable(base, term)) {
            return new TestExchangeRate.Builder(CC).setFactor(new TestNumberValue(2)).setBase(base).setTerm(term)
                    .build();
        }
        return null;
    }

    @Override
    public ExchangeRate getExchangeRate(ConversionQuery conversionQuery) {
        if (isAvailable(conversionQuery)) {
            return new TestExchangeRate.Builder(
                    ConversionContextBuilder.create(getContext(), RateType.OTHER).importContext(conversionQuery)
                            .build()).setFactor(new TestNumberValue(2)).setBase(conversionQuery.getBaseCurrency())
                    .setTerm(conversionQuery.getCurrency()).build();
        }
        return null;
    }

    @Override
    public ExchangeRate getExchangeRate(String baseCode, String termCode) {
        if (isAvailable(baseCode, termCode)) {
            return getExchangeRate(Monetary.getCurrency(baseCode), TERM);
        }
        return null;
    }

    @Override
    public ExchangeRate getReversed(ExchangeRate rate) {
        return null;
    }

    @Override
    public CurrencyConversion getCurrencyConversion(CurrencyUnit term) {
        return CONVERSION;
    }

    @Override
    public CurrencyConversion getCurrencyConversion(ConversionQuery conversionQuery) {
        if (isAvailable(conversionQuery)) {
            return CONVERSION;
        }
        return null;
    }

    @Override
    public CurrencyConversion getCurrencyConversion(String termCode) {
        if (TERM.getCurrencyCode().equals(termCode)) {
            return CONVERSION;
        }
        return null;
    }

}