org.verapdf.model.impl.pb.cos.PBCosNumber Maven / Gradle / Ivy

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/**
 * This file is part of veraPDF PDF Box PDF/A Validation Model Implementation, a module of the veraPDF project.
 * Copyright (c) 2015, veraPDF Consortium 
 * All rights reserved.
 *
 * veraPDF PDF Box PDF/A Validation Model Implementation is free software: you can redistribute it and/or modify
 * it under the terms of either:
 *
 * The GNU General public license GPLv3+.
 * You should have received a copy of the GNU General Public License
 * along with veraPDF PDF Box PDF/A Validation Model Implementation as the LICENSE.GPL file in the root of the source
 * tree.  If not, see http://www.gnu.org/licenses/ or
 * https://www.gnu.org/licenses/gpl-3.0.en.html.
 *
 * The Mozilla Public License MPLv2+.
 * You should have received a copy of the Mozilla Public License along with
 * veraPDF PDF Box PDF/A Validation Model Implementation as the LICENSE.MPL file in the root of the source tree.
 * If a copy of the MPL was not distributed with this file, you can obtain one at
 * http://mozilla.org/MPL/2.0/.
 */
package org.verapdf.model.impl.pb.cos;

import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSFloat;
import org.apache.pdfbox.cos.COSInteger;
import org.apache.pdfbox.cos.COSNumber;
import org.verapdf.model.coslayer.CosNumber;

/**
 * Current class is representation of CosNumber interface of abstract model.
 * Methods of this class using in PBCosInteger and PBCosReal. This class is
 * analogue of COSNumber in pdfbox.
 *
 * @author Evgeniy Muravitskiy
 * @see PBCosInteger
 * @see PBCosReal
 */
public abstract class PBCosNumber extends PBCosObject implements CosNumber {

    private final long longVal;
    private final double doubleVal;

    protected PBCosNumber(COSNumber number, final String type) {
        super(number, type);
        this.longVal = number.longValue();
        this.doubleVal = number.doubleValue();
    }

    public static PBCosNumber fromPDFBoxNumber(COSBase number) {
        if (number instanceof COSInteger) {
            return new PBCosInteger((COSInteger) number);
        } else if (number instanceof COSFloat) {
            return new PBCosReal((COSFloat) number);
        }
        return null;
    }

    /**
     * Get the string representing this object
     */
    @Override
    public String getstringValue() {
        return String.valueOf(this.doubleVal);
    }

    /**
     * Get truncated integer value
     */
    @Override
    public Long getintValue() {
        return Long.valueOf(this.longVal);
    }

    /**
     * Get original decimal value
     */
    @Override
    public Double getrealValue() {
        return Double.valueOf(this.doubleVal);
    }
}