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package org.apache.pdfbox.preflight.process.reflect;

import org.apache.pdfbox.preflight.ValidationResult.ValidationError;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.preflight.PreflightConfiguration;
import org.apache.pdfbox.preflight.PreflightConstants;
import org.apache.pdfbox.preflight.PreflightContext;
import org.apache.pdfbox.preflight.PreflightPath;
import org.apache.pdfbox.preflight.annotation.AnnotationValidator;
import org.apache.pdfbox.preflight.annotation.AnnotationValidatorFactory;
import org.apache.pdfbox.preflight.exception.ValidationException;
import org.apache.pdfbox.preflight.process.AbstractProcess;

public class AnnotationValidationProcess extends AbstractProcess
{

    @Override
    public void validate(PreflightContext context) throws ValidationException
    {
        PreflightPath vPath = context.getValidationPath();
        if (vPath.isEmpty()) 
        {
            return;
        }
        else if (!vPath.isExpectedType(COSDictionary.class))
        {
            context.addValidationError(new ValidationError(PreflightConstants.ERROR_ANNOT_INVALID_ELEMENT, "Annotation validation process needs at least one COSDictionary object"));
        }
        else
        {
            COSDictionary annotDict = (COSDictionary) vPath.peek();

            PreflightConfiguration config = context.getConfig();
            AnnotationValidatorFactory factory = config.getAnnotFact();
            AnnotationValidator annotValidator = factory.getAnnotationValidator(context, annotDict);
            if (annotValidator != null)
            {
                annotValidator.validate();
            }
        }
    }

}




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