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Adapter alibaba fastjson to other json libraries. the fastjson version: 1.2.58
There is a newer version: 3.2.26
/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache, 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.gnu.org/licenses/lgpl-3.0.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.fastjson.serializer;

/**
 * @author wenshao[[email protected]]
 */
public enum SerializerFeature {
    QuoteFieldNames,
    /**
     *
     */
    UseSingleQuotes,
    /**
     *
     */
    WriteMapNullValue,
    /**
     * 用枚举toString()值输出
     */
    WriteEnumUsingToString,
    /**
     * 用枚举name()输出
     */
    WriteEnumUsingName,
    /**
     *
     */
    UseISO8601DateFormat,
    /**
     * @since 1.1
     */
    WriteNullListAsEmpty,
    /**
     * @since 1.1
     */
    WriteNullStringAsEmpty,
    /**
     * @since 1.1
     */
    WriteNullNumberAsZero,
    /**
     * @since 1.1
     */
    WriteNullBooleanAsFalse,
    /**
     * @since 1.1
     */
    SkipTransientField,
    /**
     * @since 1.1
     */
    SortField,
    /**
     * @since 1.1.1
     */
    @Deprecated
    WriteTabAsSpecial,
    /**
     * @since 1.1.2
     */
    PrettyFormat,
    /**
     * @since 1.1.2
     */
    WriteClassName,

    /**
     * @since 1.1.6
     */
    DisableCircularReferenceDetect, // 32768

    /**
     * @since 1.1.9
     */
    WriteSlashAsSpecial,

    /**
     * @since 1.1.10
     */
    BrowserCompatible,

    /**
     * @since 1.1.14
     */
    WriteDateUseDateFormat,

    /**
     * @since 1.1.15
     */
    NotWriteRootClassName,

    /**
     * @since 1.1.19
     * @deprecated
     */
    DisableCheckSpecialChar,

    /**
     * @since 1.1.35
     */
    BeanToArray,

    /**
     * @since 1.1.37
     */
    WriteNonStringKeyAsString,

    /**
     * @since 1.1.42
     */
    NotWriteDefaultValue,

    /**
     * @since 1.2.6
     */
    BrowserSecure,

    /**
     * @since 1.2.7
     */
    IgnoreNonFieldGetter,

    /**
     * @since 1.2.9
     */
    WriteNonStringValueAsString,

    /**
     * @since 1.2.11
     */
    IgnoreErrorGetter,

    /**
     * @since 1.2.16
     */
    WriteBigDecimalAsPlain,

    /**
     * @since 1.2.27
     */
    MapSortField;

    public final static SerializerFeature[] EMPTY = new SerializerFeature[0];
    public static final int WRITE_MAP_NULL_FEATURES
            = WriteMapNullValue.getMask()
            | WriteNullBooleanAsFalse.getMask()
            | WriteNullListAsEmpty.getMask()
            | WriteNullNumberAsZero.getMask()
            | WriteNullStringAsEmpty.getMask();
    public final int mask;

    SerializerFeature() {
        mask = (1 << ordinal());
    }

    public static boolean isEnabled(int features, SerializerFeature feature) {
        return (features & feature.mask) != 0;
    }

    public static boolean isEnabled(int features, int fieaturesB, SerializerFeature feature) {
        int mask = feature.mask;

        return (features & mask) != 0 || (fieaturesB & mask) != 0;
    }

    public static int config(int features, SerializerFeature feature, boolean state) {
        if (state) {
            features |= feature.mask;
        } else {
            features &= ~feature.mask;
        }

        return features;
    }

    public static int of(SerializerFeature[] features) {
        if (features == null) {
            return 0;
        }

        int value = 0;

        for (SerializerFeature feature : features) {
            value |= feature.mask;
        }

        return value;
    }

    public final int getMask() {
        return mask;
    }
}