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iText ISO-19005 Module
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/*
 * $Id: PdfA3Checker.java 6231 2014-02-11 12:21:02Z pavel-alay $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2014 iText Group NV
 * Authors: Alexander Chingarev, Bruno Lowagie, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: [email protected]
 */
package com.itextpdf.text.pdf.internal;

import com.itextpdf.text.DocumentException;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.*;
import com.itextpdf.text.xml.xmp.PdfAXmpWriter;
import com.itextpdf.xmp.XMPException;
import com.itextpdf.xmp.XMPMeta;

import java.util.ArrayList;
import java.util.List;

public class ZugferdChecker extends PdfA3Checker {

    private List attachments = new ArrayList();

    ZugferdChecker(PdfAConformanceLevel conformanceLevel) {
        super(conformanceLevel);
    }

    @Override
    protected void checkFileSpec(PdfWriter writer, int key, Object obj1) {
        super.checkFileSpec(writer, key, obj1);
        attachments.add((PdfFileSpecification)obj1);
    }

    @Override
    public void close(PdfWriter writer) {
        super.close(writer);
        boolean ok = false;
        XMPMeta xmpMeta = writer.getXmpWriter().getXmpMeta();
        try {
            String docFileName = xmpMeta.getPropertyString(PdfAXmpWriter.zugferdSchemaNS, PdfAXmpWriter.zugferdDocumentFileName);
            for (PdfFileSpecification attachment : attachments) {
                if (docFileName.equals(attachment.getAsString(PdfName.UF).toString())) {
                    PdfName relationship = attachment.getAsName(PdfName.AFRELATIONSHIP);
                    if (!AFRelationshipValue.Alternative.equals(relationship)) {
                        attachments.clear();
                        throw new PdfAConformanceException(attachment, MessageLocalization.getComposedMessage("afrelationship.value.shall.be.alternative"));
                    }
                    ok = true;
                    break;
                }
            }
        } catch (XMPException e) {
            attachments.clear();
            throw new ExceptionConverter(e);
        }
        attachments.clear();
        if (!ok) {
            throw new PdfAConformanceException(xmpMeta, MessageLocalization.getComposedMessage("zugferd.xmp.schema.shall.contain.attachment.name"));
        }
    }



}