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/*
* $Id: PdfAChecker.java 6001 2013-09-09 13:17:37Z pavel-alay $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2013 1T3XT BVBA
* 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 1T3XT,
* 1T3XT 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.pdf.PdfAConformanceLevel;
import com.itextpdf.text.pdf.PdfWriter;
abstract public class PdfAChecker {
protected PdfAConformanceLevel conformanceLevel;
PdfAChecker(PdfAConformanceLevel conformanceLevel) {
this.conformanceLevel = conformanceLevel;
}
abstract protected void checkFont(PdfWriter writer, int key, Object obj1);
abstract protected void checkImage(PdfWriter writer, int key, Object obj1);
abstract protected void checkGState(PdfWriter writer, int key, Object obj1);
abstract protected void checkLayer(PdfWriter writer, int key, Object obj1);
abstract protected void checkTrailer(PdfWriter writer, int key, Object obj1);
abstract protected void checkStream(PdfWriter writer, int key, Object obj1);
abstract protected void checkFileSpec(PdfWriter writer, int key, Object obj1);
abstract protected void checkPdfObject(PdfWriter writer, int key, Object obj1);
abstract protected void checkCanvas(PdfWriter writer, int key, Object obj1);
abstract protected void checkColor(PdfWriter writer, int key, Object obj1);
abstract protected void checkAnnotation(PdfWriter writer, int key, Object obj1);
abstract protected void checkAction(PdfWriter writer, int key, Object obj1);
abstract protected void checkForm(PdfWriter writer, int key, Object obj1);
abstract protected void checkStructElem(PdfWriter writer, int key, Object obj1);
void checkPdfAConformance(PdfWriter writer, int key, Object obj1) {
if (writer == null || !writer.isPdfIso())
return;
switch (key) {
case PdfIsoKeys.PDFISOKEY_FONT:
checkFont(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_IMAGE:
checkImage(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_GSTATE:
checkGState(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_LAYER:
checkLayer(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_TRAILER:
checkTrailer(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_STREAM:
checkStream(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_FILESPEC:
checkFileSpec(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_OBJECT:
checkPdfObject(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_CANVAS:
checkCanvas(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_COLOR:
case PdfIsoKeys.PDFISOKEY_CMYK:
case PdfIsoKeys.PDFISOKEY_RGB:
checkColor(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_ANNOTATION:
checkAnnotation(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_ACTION:
checkAction(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_FORM:
checkForm(writer, key, obj1);
break;
case PdfIsoKeys.PDFISOKEY_STRUCTELEM:
if (checkStructure(conformanceLevel))
checkStructElem(writer, key, obj1);
break;
default:
break;
}
}
public static boolean checkStructure(PdfAConformanceLevel conformanceLevel) {
return conformanceLevel == PdfAConformanceLevel.PDF_A_1A
|| conformanceLevel == PdfAConformanceLevel.PDF_A_2A
|| conformanceLevel == PdfAConformanceLevel.PDF_A_3A;
}
}
