Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".

Jackson Annotations Source Code files are provided in the source packge (jackson-annotations-2.12.4-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Annotations Source Code below:

⏎ com/fasterxml/jackson/databind/cfg/SerializerFactoryConfig.java

package com.fasterxml.jackson.databind.cfg;

import com.fasterxml.jackson.databind.ser.*;
import com.fasterxml.jackson.databind.util.ArrayBuilders;
import com.fasterxml.jackson.databind.util.ArrayIterator;

/**
 * Configuration settings container class for
 * {@link SerializerFactory} implementations.
 */
public final class SerializerFactoryConfig
    implements java.io.Serializable
{
    private static final long serialVersionUID = 1L;
    /**
     * Constant for empty <code>Serializers</code> array (which by definition
     * is stateless and reusable)
     */
    protected final static Serializers[] NO_SERIALIZERS = new Serializers[0];

    protected final static BeanSerializerModifier[] NO_MODIFIERS = new BeanSerializerModifier[0];
    
    /**
     * List of providers for additional serializers, checked before considering default
     * basic or bean serialializers.
     */
    protected final Serializers[] _additionalSerializers;

    /**
     * List of providers for additional key serializers, checked before considering default
     * key serialializers.
     */
    protected final Serializers[] _additionalKeySerializers;
    
    /**
     * List of modifiers that can change the way {@link BeanSerializer} instances
     * are configured and constructed.
     */
    protected final BeanSerializerModifier[] _modifiers;
    
    public SerializerFactoryConfig() {
        this(null, null, null);
    }

    protected SerializerFactoryConfig(Serializers[] allAdditionalSerializers,
            Serializers[] allAdditionalKeySerializers,
            BeanSerializerModifier[] modifiers)
    {
        _additionalSerializers = (allAdditionalSerializers == null) ?
                NO_SERIALIZERS : allAdditionalSerializers;
        _additionalKeySerializers = (allAdditionalKeySerializers == null) ?
                NO_SERIALIZERS : allAdditionalKeySerializers;
        _modifiers = (modifiers == null) ? NO_MODIFIERS : modifiers;
    }

    public SerializerFactoryConfig withAdditionalSerializers(Serializers additional)
    {
        if (additional == null) {
            throw new IllegalArgumentException("Cannot pass null Serializers");
        }
        Serializers[] all = ArrayBuilders.insertInListNoDup(_additionalSerializers, additional);
        return new SerializerFactoryConfig(all, _additionalKeySerializers, _modifiers);
    }

    public SerializerFactoryConfig withAdditionalKeySerializers(Serializers additional)
    {
        if (additional == null) {
            throw new IllegalArgumentException("Cannot pass null Serializers");
        }
        Serializers[] all = ArrayBuilders.insertInListNoDup(_additionalKeySerializers, additional);
        return new SerializerFactoryConfig(_additionalSerializers, all, _modifiers);
    }
    
    public SerializerFactoryConfig withSerializerModifier(BeanSerializerModifier modifier)
    {
        if (modifier == null) {
            throw new IllegalArgumentException("Cannot pass null modifier");
        }
        BeanSerializerModifier[] modifiers = ArrayBuilders.insertInListNoDup(_modifiers, modifier);
        return new SerializerFactoryConfig(_additionalSerializers, _additionalKeySerializers, modifiers);
    }

    public boolean hasSerializers() { return _additionalSerializers.length > 0; }
    public boolean hasKeySerializers() { return _additionalKeySerializers.length > 0; }
    public boolean hasSerializerModifiers() { return _modifiers.length > 0; }
    public Iterable<Serializers> serializers() { return new ArrayIterator<Serializers>(_additionalSerializers); }
    public Iterable<Serializers> keySerializers() { return new ArrayIterator<Serializers>(_additionalKeySerializers); }
    public Iterable<BeanSerializerModifier> serializerModifiers() { return new ArrayIterator<BeanSerializerModifier>(_modifiers); }
}

⏎ com/fasterxml/jackson/databind/cfg/SerializerFactoryConfig.java

 

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