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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * Copyright (c) 2008-2013, Stephen Colebourne & Michael Nascimento Santos
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
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 *  * Neither the name of JSR-310 nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
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 */
package java.time.format;

/**
 * Enumeration of different ways to resolve dates and times.
 * <p>
 * Parsing a text string occurs in two phases.
 * Phase 1 is a basic text parse according to the fields added to the builder.
 * Phase 2 resolves the parsed field-value pairs into date and/or time objects.
 * This style is used to control how phase 2, resolving, happens.
 *
 * @implSpec
 * This is an immutable and thread-safe enum.
 *
 * @since 1.8
 */
public enum ResolverStyle {

    /**
     * Style to resolve dates and times strictly.
     * <p>
     * Using strict resolution will ensure that all parsed values are within
     * the outer range of valid values for the field. Individual fields may
     * be further processed for strictness.
     * <p>
     * For example, resolving year-month and day-of-month in the ISO calendar
     * system using strict mode will ensure that the day-of-month is valid
     * for the year-month, rejecting invalid values.
     */
    STRICT,
    /**
     * Style to resolve dates and times in a smart, or intelligent, manner.
     * <p>
     * Using smart resolution will perform the sensible default for each
     * field, which may be the same as strict, the same as lenient, or a third
     * behavior. Individual fields will interpret this differently.
     * <p>
     * For example, resolving year-month and day-of-month in the ISO calendar
     * system using smart mode will ensure that the day-of-month is from
     * 1 to 31, converting any value beyond the last valid day-of-month to be
     * the last valid day-of-month.
     */
    SMART,
    /**
     * Style to resolve dates and times leniently.
     * <p>
     * Using lenient resolution will resolve the values in an appropriate
     * lenient manner. Individual fields will interpret this differently.
     * <p>
     * For example, lenient mode allows the month in the ISO calendar system
     * to be outside the range 1 to 12.
     * For example, month 15 is treated as being 3 months after month 12.
     */
    LENIENT;

}
