/*
* Copyright (C) 2011 4th Line GmbH, Switzerland
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fourthline.konto.shared.entity;
import org.fourthline.konto.shared.Constants;
import org.seamless.gwt.validation.shared.EntityProperty;
import org.seamless.gwt.validation.shared.Validatable;
import org.seamless.gwt.validation.shared.ValidationError;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import java.io.Serializable;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
@Entity
@Table(name = "MONETARY_UNIT")
public class MonetaryUnit implements Serializable, Validatable {
public enum Property implements EntityProperty {
id,
currencyCode,
fractionDigits,
prefix,
}
@Id
@GeneratedValue(generator = Constants.SEQUENCE_NAME)
@Column(name = "MONETARY_UNIT_ID")
private Long id;
@Column(name = "CURRENCY_CODE", nullable = false, updatable = false, unique = true, length = 3)
private String currencyCode;
@Column(name = "FRACTION_DIGITS", nullable = false, updatable = false)
private int fractionDigits = 2;
@Column(name = "PREFIX", nullable = false, length = 5)
private String prefix = "";
public MonetaryUnit() {
}
public MonetaryUnit(String currencyCode) {
this(currencyCode, "");
}
public MonetaryUnit(String currencyCode, String prefix) {
this.currencyCode = currencyCode;
this.prefix = prefix;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getCurrencyCode() {
return currencyCode;
}
public void setCurrencyCode(String currencyCode) {
this.currencyCode = currencyCode;
}
public int getFractionDigits() {
return fractionDigits;
}
public void setFractionDigits(int fractionDigits) {
this.fractionDigits = fractionDigits;
}
public String getPrefix() {
return prefix;
}
public void setPrefix(String prefix) {
this.prefix = prefix;
}
public RoundingMode getRoundingMode() {
// TODO: The rounding mode is NOT the same for all currencies, right?
return RoundingMode.HALF_UP;
}
@Override
public List<ValidationError> validate(String group) {
List<ValidationError> errors = new ArrayList();
if (getCurrencyCode() == null || getCurrencyCode().length() != 3) {
errors.add(new ValidationError(
MonetaryUnit.class.getName(),
Property.currencyCode,
"Currency code must be 3 characters."
));
}
if (getPrefix().length() > 5) {
errors.add(new ValidationError(
MonetaryUnit.class.getName(),
Property.prefix,
"Currency reporting prefix must be 5 characters maximum length."
));
}
if (getFractionDigits() < 0) {
errors.add(new ValidationError(
MonetaryUnit.class.getName(),
Property.fractionDigits,
"Number of currency fraction digits must be zero or larger."
));
}
return errors;
}
// TODO: Can't use this, including MU in a ReportCriteria will cause weird CNFE in GWT 2.2/2.3 on serialization
public static MonetaryUnit valueOf(String s) {
if (!s.contains("mu=")) return null;
try {
String mu = s.substring(s.indexOf("mu=") + 3);
mu = mu.substring(0, mu.indexOf(";"));
return new MonetaryUnit(mu);
} catch (Exception ex) {
return null;
}
}
@Override
public String toString() {
return "mu=" + getCurrencyCode() + ";";
}
}