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* to you under the Apache License, Version 2.0 (the
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*
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package org.apache.pdfbox.preflight.process.reflect;
import static org.apache.pdfbox.preflight.PreflightConstants.XOBJECT_DICTIONARY_VALUE_SUBTYPE_POSTSCRIPT;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectForm;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage;
import org.apache.pdfbox.preflight.PreflightContext;
import org.apache.pdfbox.preflight.PreflightPath;
import org.apache.pdfbox.preflight.exception.ValidationException;
import org.apache.pdfbox.preflight.process.AbstractProcess;
import org.apache.pdfbox.preflight.xobject.XObjFormValidator;
import org.apache.pdfbox.preflight.xobject.XObjImageValidator;
import org.apache.pdfbox.preflight.xobject.XObjPostscriptValidator;
import org.apache.pdfbox.preflight.xobject.XObjectValidator;
public class GraphicObjectPageValidationProcess extends AbstractProcess
{
public void validate(PreflightContext context) throws ValidationException
{
PreflightPath vPath = context.getValidationPath();
XObjectValidator validator = null;
if (!vPath.isEmpty() && vPath.isExpectedType(PDXObjectImage.class))
{
validator = new XObjImageValidator(context, (PDXObjectImage) vPath.peek());
}
else if (!vPath.isEmpty() && vPath.isExpectedType(PDXObjectForm.class))
{
validator = new XObjFormValidator(context, (PDXObjectForm) vPath.peek());
}
else if (!vPath.isEmpty() && vPath.isExpectedType(COSStream.class))
{
COSStream stream = (COSStream) vPath.peek();
String subType = stream.getNameAsString(COSName.SUBTYPE);
if (XOBJECT_DICTIONARY_VALUE_SUBTYPE_POSTSCRIPT.equals(subType))
{
validator = new XObjPostscriptValidator(context, stream);
}
else
{
throw new ValidationException("Invalid XObject subtype");
}
}
else
{
throw new ValidationException("Graphic validation process needs at least one PDFont object");
}
validator.validate();
}
}