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/*
* Units of Measurement Implementation for Java SE
* Copyright (c) 2005-2018, Jean-Marie Dautelle, Werner Keil, Otavio Santana.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
* and the following disclaimer in the documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of JSR-363 nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package tec.uom.se.format;
import java.io.IOException;
import java.math.BigDecimal;
import java.text.ParsePosition;
import javax.measure.Quantity;
import javax.measure.Unit;
import javax.measure.format.ParserException;
import tec.uom.se.AbstractQuantity;
import tec.uom.se.AbstractUnit;
import tec.uom.se.ComparableQuantity;
import tec.uom.se.quantity.NumberQuantity;
import tec.uom.se.quantity.Quantities;
/**
* Holds standard implementation
*/
@SuppressWarnings("rawtypes")
class DefaultQuantityFormat extends QuantityFormat {
/**
*
*/
private static final long serialVersionUID = 2758248665095734058L;
@Override
public Appendable format(Quantity measure, Appendable dest) throws IOException {
Unit unit = measure.getUnit();
dest.append(measure.getValue().toString());
if (measure.getUnit().equals(AbstractUnit.ONE))
return dest;
dest.append(' ');
return SimpleUnitFormat.getInstance().format(unit, dest);
}
@SuppressWarnings("unchecked")
@Override
public ComparableQuantity parse(CharSequence csq, ParsePosition cursor) throws ParserException {
int startDecimal = cursor.getIndex();
while ((startDecimal < csq.length()) && Character.isWhitespace(csq.charAt(startDecimal))) {
startDecimal++;
}
int endDecimal = startDecimal + 1;
while ((endDecimal < csq.length()) && !Character.isWhitespace(csq.charAt(endDecimal))) {
endDecimal++;
}
BigDecimal decimal = new BigDecimal(csq.subSequence(startDecimal, endDecimal).toString());
cursor.setIndex(endDecimal + 1);
Unit unit = SimpleUnitFormat.getInstance().parse(csq, cursor);
return Quantities.getQuantity(decimal, unit);
}
@SuppressWarnings("unchecked")
@Override
AbstractQuantity parse(CharSequence csq, int index) throws ParserException {
int startDecimal = index; // cursor.getIndex();
while ((startDecimal < csq.length()) && Character.isWhitespace(csq.charAt(startDecimal))) {
startDecimal++;
}
int endDecimal = startDecimal + 1;
while ((endDecimal < csq.length()) && !Character.isWhitespace(csq.charAt(endDecimal))) {
endDecimal++;
}
Double decimal = new Double(csq.subSequence(startDecimal, endDecimal).toString());
// cursor.setIndex(endDecimal + 1);
// Unit unit = EBNFUnitFormat.getInstance().parse(csq, index);
Unit unit = SimpleUnitFormat.getInstance().parse(csq, index);
return NumberQuantity.of(decimal, unit);
}
@Override
public ComparableQuantity parse(CharSequence csq) throws ParserException {
return parse(csq, new ParsePosition(0));
}
}