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/**
* Copyright (C) 2014-2018 Philip Helger (www.helger.com)
* philip[at]helger[dot]com
*
* 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.
*/
package com.helger.masterdata.price;
import java.math.BigDecimal;
import java.math.RoundingMode;
import javax.annotation.CheckReturnValue;
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import com.helger.commons.ValueEnforcer;
import com.helger.commons.equals.EqualsHelper;
import com.helger.commons.hashcode.HashCodeGenerator;
import com.helger.commons.math.MathHelper;
import com.helger.commons.state.EChange;
import com.helger.commons.string.ToStringGenerator;
import com.helger.masterdata.currency.CurrencyHelper;
import com.helger.masterdata.currency.ECurrency;
import com.helger.masterdata.currency.PerCurrencySettings;
import com.helger.masterdata.currencyvalue.CurrencyValue;
import com.helger.masterdata.currencyvalue.ICurrencyValue;
import com.helger.masterdata.vat.IVATItem;
/**
* Default implementation of the {@link IMutablePrice} interface.
*
* @author Philip Helger
*/
public class Price implements IMutablePrice
{
public static final String FIELD_VATITEM = "vatitem";
private CurrencyValue m_aNetAmount;
private IVATItem m_aVATItem;
public Price ()
{}
public Price (@Nonnull final IPrice aPrice)
{
this (aPrice.getNetAmount (), aPrice.getVATItem ());
}
/**
* Constructor
*
* @param eCurrency
* Currency to use. May not be null.
* @param aNetAmount
* The net amount to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
*/
public Price (@Nonnull final ECurrency eCurrency,
@Nonnull final BigDecimal aNetAmount,
@Nonnull final IVATItem aVATItem)
{
this (new CurrencyValue (eCurrency, aNetAmount), aVATItem);
}
/**
* Constructor
*
* @param aNetAmount
* The net amount incl. currency to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
*/
public Price (@Nonnull final ICurrencyValue aNetAmount, @Nonnull final IVATItem aVATItem)
{
setNetAmount (aNetAmount);
setVATItem (aVATItem);
}
@Nonnull
public CurrencyValue getNetAmount ()
{
return m_aNetAmount;
}
@Nonnull
public EChange setNetAmount (@Nonnull final ICurrencyValue aNetAmount)
{
ValueEnforcer.notNull (aNetAmount, "NetAmount");
final CurrencyValue aRealNetAmount = new CurrencyValue (aNetAmount);
if (EqualsHelper.equals (m_aNetAmount, aRealNetAmount))
return EChange.UNCHANGED;
m_aNetAmount = aRealNetAmount;
return EChange.CHANGED;
}
@Nonnull
public IVATItem getVATItem ()
{
return m_aVATItem;
}
@Nonnull
public EChange setVATItem (@Nonnull final IVATItem aVATItem)
{
ValueEnforcer.notNull (aVATItem, "VATItem");
if (aVATItem.equals (m_aVATItem))
return EChange.UNCHANGED;
m_aVATItem = aVATItem;
return EChange.CHANGED;
}
@Nonnull
public ECurrency getCurrency ()
{
return m_aNetAmount.getCurrency ();
}
@Nonnull
public EChange setCurrency (@Nonnull final ECurrency eCurrency)
{
return m_aNetAmount.setCurrency (eCurrency);
}
@Nonnull
@CheckReturnValue
public Price getAdded (@Nonnull final BigDecimal aValue)
{
return new Price (m_aNetAmount.getAdded (aValue), m_aVATItem);
}
@Nonnull
@CheckReturnValue
public Price getAdded (final long nValue)
{
return new Price (m_aNetAmount.getAdded (nValue), m_aVATItem);
}
@Nonnull
@CheckReturnValue
public Price getSubtracted (@Nonnull final BigDecimal aValue)
{
return new Price (m_aNetAmount.getSubtracted (aValue), m_aVATItem);
}
@Nonnull
@CheckReturnValue
public Price getSubtracted (final long nValue)
{
return new Price (m_aNetAmount.getSubtracted (nValue), m_aVATItem);
}
@Nonnull
@CheckReturnValue
public Price getMultiplied (@Nonnull final BigDecimal aValue)
{
return new Price (m_aNetAmount.getMultiplied (aValue), m_aVATItem);
}
@Nonnull
@CheckReturnValue
public Price getMultiplied (final long nValue)
{
return new Price (m_aNetAmount.getMultiplied (nValue), m_aVATItem);
}
@Nonnull
@CheckReturnValue
public Price getDivided (@Nonnull final BigDecimal aValue)
{
return new Price (m_aNetAmount.getDivided (aValue), m_aVATItem);
}
@Nonnull
@CheckReturnValue
public Price getDivided (final long nValue)
{
return new Price (m_aNetAmount.getDivided (nValue), m_aVATItem);
}
@Override
public boolean equals (final Object o)
{
if (o == this)
return true;
if (o == null || !getClass ().equals (o.getClass ()))
return false;
final Price rhs = (Price) o;
return m_aNetAmount.equals (rhs.m_aNetAmount) && m_aVATItem.equals (rhs.m_aVATItem);
}
@Override
public int hashCode ()
{
return new HashCodeGenerator (this).append (m_aNetAmount).append (m_aVATItem).getHashCode ();
}
@Override
public String toString ()
{
return new ToStringGenerator (this).append ("netAmount", m_aNetAmount)
.append ("VATtype", m_aVATItem)
.getToString ();
}
/**
* Create a price from a net amount.
*
* @param eCurrency
* Currency to use. May not be null.
* @param aNetAmount
* The net amount to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
* @return The created {@link Price}
*/
@Nonnull
public static Price createFromNetAmount (@Nonnull final ECurrency eCurrency,
@Nonnull final BigDecimal aNetAmount,
@Nonnull final IVATItem aVATItem)
{
return new Price (eCurrency, aNetAmount, aVATItem);
}
/**
* Create a price from a net amount.
*
* @param aNetAmount
* The net amount to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
* @return The created {@link Price}
*/
@Nonnull
public static Price createFromNetAmount (@Nonnull final ICurrencyValue aNetAmount, @Nonnull final IVATItem aVATItem)
{
return new Price (aNetAmount, aVATItem);
}
/**
* Create a price from a gross amount using the scale and rounding mode from
* the currency.
*
* @param eCurrency
* Currency to use. May not be null.
* @param aGrossAmount
* The gross amount to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
* @return The created {@link Price}
*/
@Nonnull
public static Price createFromGrossAmount (@Nonnull final ECurrency eCurrency,
@Nonnull final BigDecimal aGrossAmount,
@Nonnull final IVATItem aVATItem)
{
final PerCurrencySettings aPCS = CurrencyHelper.getSettings (eCurrency);
return createFromGrossAmount (eCurrency, aGrossAmount, aVATItem, aPCS.getScale (), aPCS.getRoundingMode ());
}
/**
* Create a price from a gross amount.
*
* @param eCurrency
* Currency to use. May not be null.
* @param aGrossAmount
* The gross amount to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
* @param nScale
* The scaling to be used for the resulting amount, in case
* grossAmount / (1 + perc/100) delivery an inexact
* result.
* @param eRoundingMode
* The rounding mode to be used to create a valid result.
* @return The created {@link Price}
*/
@Nonnull
public static Price createFromGrossAmount (@Nonnull final ECurrency eCurrency,
@Nonnull final BigDecimal aGrossAmount,
@Nonnull final IVATItem aVATItem,
@Nonnegative final int nScale,
@Nonnull final RoundingMode eRoundingMode)
{
ValueEnforcer.notNull (aVATItem, "VATItem");
final BigDecimal aFactor = aVATItem.getMultiplicationFactorNetToGross ();
if (MathHelper.isEQ1 (aFactor))
{
// Shortcut for no VAT (net == gross)
return new Price (eCurrency, aGrossAmount, aVATItem);
}
return new Price (eCurrency, aGrossAmount.divide (aFactor, nScale, eRoundingMode), aVATItem);
}
/**
* Create a price from a gross amount using the scale and rounding mode from
* the currency.
*
* @param aGrossAmount
* The gross amount to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
* @return The created {@link Price}
*/
@Nonnull
public static Price createFromGrossAmount (@Nonnull final ICurrencyValue aGrossAmount,
@Nonnull final IVATItem aVATItem)
{
ValueEnforcer.notNull (aGrossAmount, "GrossAmount");
final ECurrency eCurrency = aGrossAmount.getCurrency ();
final PerCurrencySettings aPCS = CurrencyHelper.getSettings (eCurrency);
return createFromGrossAmount (aGrossAmount, aVATItem, aPCS.getScale (), aPCS.getRoundingMode ());
}
/**
* Create a price from a gross amount.
*
* @param aGrossAmount
* The gross amount to use. May not be null.
* @param aVATItem
* The VAT item to use. May not be null.
* @param nScale
* The scaling to be used for the resulting amount, in case
* grossAmount / (1 + perc/100) delivery an inexact
* result.
* @param eRoundingMode
* The rounding mode to be used to create a valid result.
* @return The created {@link Price}
*/
@Nonnull
public static Price createFromGrossAmount (@Nonnull final ICurrencyValue aGrossAmount,
@Nonnull final IVATItem aVATItem,
@Nonnegative final int nScale,
@Nonnull final RoundingMode eRoundingMode)
{
ValueEnforcer.notNull (aVATItem, "VATItem");
final BigDecimal aFactor = aVATItem.getMultiplicationFactorNetToGross ();
if (MathHelper.isEQ1 (aFactor))
{
// Shortcut for no VAT (net == gross)
return new Price (aGrossAmount, aVATItem);
}
return new Price (aGrossAmount.getCurrency (),
aGrossAmount.getValue ().divide (aFactor, nScale, eRoundingMode),
aVATItem);
}
}
