LazilyParsedNumber.java

package com.google.gson.internal;

import java.math.BigInteger;

/**
 * This class holds a number value that is lazily converted to a specific number type
 *
 * @author Inderjeet Singh
 */
@SuppressWarnings("serial")
public final class LazilyParsedNumber extends Number {
    private final String value;

    public LazilyParsedNumber(String value) {
        this.value = value;
    }

    @Override
    public int intValue() {
        try {
            return Integer.parseInt(value);
        } catch (NumberFormatException e) {
            try {
                return (int) Long.parseLong(value);
            } catch (NumberFormatException nfe) {
                return new BigInteger(value).intValue();
            }
        }
    }

    @Override
    public long longValue() {
        try {
            return Long.parseLong(value);
        } catch (NumberFormatException e) {
            return new BigInteger(value).longValue();
        }
    }

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

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

    @Override
    public String toString() {
        return value;
    }
}