Jackson Annotations Source Code

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:

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package com.fasterxml.jackson.databind.util;

import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.type.TypeFactory;

 * Standard implementation of {@link Converter} that supports explicit
 * type access, instead of relying type detection of generic type
 * parameters. 
 * @since 2.2
public abstract class StdConverter<IN,OUT>
    implements Converter<IN,OUT>
    /* Partial Converter API implementation

    public abstract OUT convert(IN value);

    public JavaType getInputType(TypeFactory typeFactory) {
        return _findConverterType(typeFactory).containedType(0);

    public JavaType getOutputType(TypeFactory typeFactory) {
        return _findConverterType(typeFactory).containedType(1);

    protected JavaType _findConverterType(TypeFactory tf) {
        JavaType thisType = tf.constructType(getClass());
        JavaType convType = thisType.findSuperType(Converter.class);
        if (convType == null || convType.containedTypeCount() < 2) {
            throw new IllegalStateException("Cannot find OUT type parameter for Converter of type "+getClass().getName());
        return convType;



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⇑⇑ Jackson - Java JSON library

2022-02-19, 36208👍, 0💬