package org.checkerframework.checker.i18nformatter.qual;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.checkerframework.framework.qual.SubtypeOf;

/**
 * This annotation, attached to a {@link java.lang.String String} type, indicates that if the String
 * is passed to {@link java.text.MessageFormat#format(String, Object...)}, an exception will result.
 *
 * @checker_framework.manual #i18n-formatter-checker Internationalization Format String Checker
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
@SubtypeOf(I18nUnknownFormat.class)
public @interface I18nInvalidFormat {
    /**
     * Using a value of the annotated type as the first argument to {@link
     * java.text.MessageFormat#format(String, Object...)} will lead to this exception message.
     */
    String value();
}
