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Package containing reusable model for Sejda.

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/*
 * Created on 23/ago/2011
 * Copyright 2011 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.ElementType.TYPE;
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 org.sejda.model.SejdaFileExtensions;
import org.sejda.model.validation.validator.SingleOutputExtensionsValidator;

/**
 * Constraint validating that a single output parameter has one of the expected output extensions (in the output file name for file task output or in the outputname attribute for
 * non file task output). Default expected extension is Pdf.
 * 
 * @author Andrea Vacondio
 * 
 */
@ValidSingleOutput
@Target({ METHOD, FIELD, ANNOTATION_TYPE, PARAMETER, TYPE })
@Retention(RUNTIME)
@Constraint(validatedBy = SingleOutputExtensionsValidator.class)
@Documented
public @interface SingleOutputAllowedExtensions {
    String message() default "TaskOutput is not of the expected type.";

    Class[] groups() default {};

    Class[] payload() default {};

    String[] extensions() default { SejdaFileExtensions.PDF_EXTENSION };
}