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API for interpreting runs of binary as values humans can understand

There is a newer version: 0.8.0

/*
 * Hex - a hex viewer and annotator
 * Copyright (C) 2009-2014  Trejkaz, Hex Project
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */

package org.trypticon.hex.interpreters.primitives.unsigned;

import org.trypticon.hex.interpreters.primitives.AbstractNumberValue;
import org.trypticon.hex.util.Format;

import java.math.BigInteger;
import java.text.NumberFormat;
import java.util.Locale;

/**
 * An unsigned int value.
 *
 * @author trejkaz
 */
public class ULong extends AbstractNumberValue {
    private final long value;

    public ULong(long value) {
        this.value = value;
    }

    public long getValue() {
        return value;
    }

    @Override
    public int intValue() {
        return (int) value;
    }

    @Override
    public long longValue() {
        return value;
    }

    @Override
    public float floatValue() {
        return value;
    }

    @Override
    public double doubleValue() {
        return value;
    }

    @Override
    public long length() {
        return 8;
    }

    @Override
    public String toLocalisedString(Format style, Locale locale) {
        return NumberFormat.getInstance().format(toBigInteger());
    }

    private BigInteger toBigInteger() {
        BigInteger bigInteger = BigInteger.valueOf(value);
        if (bigInteger.signum() < 0) {
            bigInteger = bigInteger.add(BigInteger.ONE.shiftLeft(64));
        }
        return bigInteger;
    }
}