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/**
 * DSS - Digital Signature Services
 * Copyright (C) 2015 European Commission, provided under the CEF programme
 * 
 * This file is part of the "DSS - Digital Signature Services" project.
 * 

 * This library 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 2.1 of the License, or (at your option) any later version.
 * 

 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package eu.europa.esig.dss.pdf.pdfbox;

import eu.europa.esig.dss.pades.validation.PdfObjectKey;
import org.apache.pdfbox.cos.COSObjectKey;

import java.util.Objects;

/**
 * PdfBox implementation of the PDF object key
 *
 */
public class PdfBoxObjectKey implements PdfObjectKey {

    /** Object representing a unique PDFBox identifier */
    private final COSObjectKey value;

    /**
     * Default constructor
     *
     * @param value {@link COSObjectKey} key value
     */
    public PdfBoxObjectKey(final COSObjectKey value) {
        this.value = value;
    }

    @Override
    public COSObjectKey getValue() {
        return value;
    }

    @Override
    public long getNumber() {
        return value.getNumber();
    }

    @Override
    public int getGeneration() {
        return value.getGeneration();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        PdfBoxObjectKey objectKey = (PdfBoxObjectKey) o;
        return Objects.equals(value, objectKey.value);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(value);
    }

}