/src/main/java/com/alibaba/fastjson/serializer/SerializerFeature.java

/*
 * Copyright 1999-2101 Alibaba Group.
 *
 * Licensed under the Apache License, 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.apache.org/licenses/LICENSE-2.0
 *
 * 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<szujobs@hotmail.com>
 */
public enum SerializerFeature {
    QuoteFieldNames,
    /**
     * 
     */
    UseSingleQuotes,
    /**
     * 
     */
    WriteMapNullValue,
    /**
     * 
     */
    WriteEnumUsingToString,
    /**
     * 
     */
    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
     */
    WriteTabAsSpecial,
    /**
     * @since 1.1.2
     */
    PrettyFormat,
    /**
     * @since 1.1.2
     */
    WriteClassName,

    /**
     * @since 1.1.6
     */
    DisableCircularReferenceDetect,

    /**
     * @since 1.1.9
     */
    WriteSlashAsSpecial,
    
    /**
     * @since 1.1.10
     */
    BrowserCompatible,
    
    /**
     * @since 1.1.14
     */
    WriteDateUseDateFormat,
    
    /**
     * @since 1.1.15
     */
    NotWriteRootClassName,
    
    /**
     * @since 1.1.19
     */
    DisableCheckSpecialChar,
    ;

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

    private final int mask;

    public final int getMask() {
        return mask;
    }

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

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

        return features;
    }
}