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 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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 * KIND, either express or implied.  See the License for the
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package org.apache.pdfbox.preflight.annotation;

import static org.apache.pdfbox.preflight.PreflightConstants.ERROR_ANNOT_MISSING_FIELDS;

import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationRubberStamp;
import org.apache.pdfbox.preflight.PreflightContext;
import org.apache.pdfbox.preflight.ValidationResult.ValidationError;

/**
 * Validation class for the BudderStampAnnotation
 */
public class RubberStampAnnotationValidator extends AnnotationValidator
{
    /**
     * PDFBox class which wraps the annotaiton dictionary
     */
    protected PDAnnotationRubberStamp pdRStamp = null;

    public RubberStampAnnotationValidator(PreflightContext ctx, COSDictionary annotDictionary)
    {
        super(ctx, annotDictionary);
        this.pdRStamp = new PDAnnotationRubberStamp(annotDictionary);
        this.pdAnnot = this.pdRStamp;
    }

    /*
     * (non-Javadoc)
     * 
     * @seenet.awl.edoc.pdfa.validation.annotation.AnnotationValidator# checkMandatoryFields(java.util.List)
     */
    protected boolean checkMandatoryFields()
    {
        boolean subtype = this.annotDictionary.containsKey(COSName.SUBTYPE);
        boolean rect = this.annotDictionary.containsKey(COSName.RECT);
        boolean f = this.annotDictionary.containsKey(COSName.F);
        boolean contents = this.annotDictionary.containsKey(COSName.CONTENTS);

        boolean result = (subtype && rect && f && contents);
        if (!result)
        {
            ctx.addValidationError(new ValidationError(ERROR_ANNOT_MISSING_FIELDS));
        }
        return result;
    }

}
