/*
* Freeplane - mind map editor
* Copyright (C) 2011 Volker Boerchers
*
* This file author is Volker Boerchers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.features.format;
import java.text.DecimalFormat;
import org.freeplane.core.util.FactoryMethod;
import org.freeplane.core.util.LogUtils;
import org.freeplane.core.util.SerializationMethod;
/**
* @author vboerchers
*/
@SuppressWarnings("serial")
@FactoryMethod("deserialize")
@SerializationMethod("serialize")
public class FormattedNumber extends Number implements IFormattedObject, Comparable<Number> {
private final Number number;
private final String pattern;
private final String formattedString;
private final boolean isDefaultFormat;
public FormattedNumber(final Number number) {
this(number, FormatController.getController().getDefaultNumberFormat());
}
public FormattedNumber(final Number number, final String pattern) {
this(number, pattern, number == null ? null //
: FormatController.getController().getDecimalFormat(pattern).format(number));
}
public FormattedNumber(final Number number, final String pattern, final String formattedString) {
this(number, pattern, formattedString, false);
}
// implementation detail
private FormattedNumber(final Number number, final DecimalFormat format) {
this(number, format, true);
}
// implementation detail
private FormattedNumber(final Number number, final DecimalFormat format, final boolean isDefault) {
this(number, format.toPattern(), number == null ? null : format.format(number), isDefault);
}
// implementation detail
private FormattedNumber(final Number number, final String pattern, final String formattedString,
final boolean isDefault) {
final long longValue = number.longValue();
if(longValue == number.doubleValue())
this.number = longValue;
else
this.number = number;
this.pattern = pattern;
this.formattedString = formattedString;
this.isDefaultFormat = isDefault;
}
public Number getNumber() {
return number;
}
public String getPattern() {
return pattern;
}
/** implementation of {@link IFormattedObject}. */
public Object getObject() {
return number;
}
/** default formats are not saved to file. */
public static String serialize(final FormattedNumber formattedNumber) {
return formattedNumber.number + (formattedNumber.isDefaultFormat ? "" : "|" + formattedNumber.pattern);
}
public static Object deserialize(final String text) {
try {
final int index = text.indexOf('|');
if (index == -1)
return new FormattedNumber(Double.parseDouble(text));
else
return new FormattedNumber(Double.parseDouble(text.substring(0, index)), text.substring(index + 1));
}
catch (Exception e) {
LogUtils.warn("cannot deserialize " + text, e);
return text;
}
}
@Override
public String toString() {
return formattedString;
}
@Override
public int intValue() {
return number.intValue();
}
@Override
public long longValue() {
return number.longValue();
}
@Override
public float floatValue() {
return number.floatValue();
}
@Override
public double doubleValue() {
return number.doubleValue();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((number == null) ? 0 : number.hashCode());
result = prime * result + ((pattern == null) ? 0 : pattern.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
FormattedNumber other = (FormattedNumber) obj;
if (number == null) {
if (other.number != null)
return false;
}
else if (!number.equals(other.number))
return false;
if (pattern == null) {
if (other.pattern != null)
return false;
}
else if (!pattern.equals(other.pattern))
return false;
return true;
}
public int compareTo(final Number that) {
if (this.number != null && that != null)
return Double.compare(this.number.doubleValue(), that.doubleValue());
return (number == null ? 0 : 1) - (that == null ? 0 : 1);
}
}