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Package containing reusable model for Sejda.

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/*
 * Created on 25/giu/2010
 *
 * Copyright 2010 by Andrea Vacondio ([email protected]).
 * 
 * This file is part of the Sejda source code
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * 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 .
 */
package org.sejda.model.validation.constraint;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import jakarta.validation.Constraint;
import jakarta.validation.Payload;
import jakarta.validation.ReportAsSingleViolation;

import org.sejda.model.SejdaFileExtensions;

/**
 * Constraint validating that a File instance whose isFile method returns true, is a pdf file.
 * 
 * @author Andrea Vacondio
 * 
 */
@FileExtension(value = SejdaFileExtensions.PDF_EXTENSION)
@Target({ METHOD, FIELD, ANNOTATION_TYPE, PARAMETER })
@Retention(RUNTIME)
@Constraint(validatedBy = {})
@Documented
@ReportAsSingleViolation
public @interface PdfFile {

    String message() default "Not a valid pdf file.";

    Class[] groups() default {};

    Class[] payload() default {};
}