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

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

You can also browse Jackson Databind Source Code below:

⏎ com/fasterxml/jackson/databind/node/JsonNodeCreator.java

package com.fasterxml.jackson.databind.node;

import java.math.BigDecimal;
import java.math.BigInteger;

import com.fasterxml.jackson.databind.util.RawValue;

/**
 * Interface that defines common "creator" functionality implemented
 * both by {@link JsonNodeFactory} and {@link ContainerNode} (that is,
 * JSON Object and Array nodes).
 *
 * @since 2.3
 */
public interface JsonNodeCreator
{
    // Enumerated/singleton types

    public ValueNode booleanNode(boolean v);
    public ValueNode nullNode();

// Not yet in 2.10, will be added in 3.0    
//    public JsonNode missingNode();
    
    // Numeric types

    public ValueNode numberNode(byte v);
    public ValueNode numberNode(Byte value);
    public ValueNode numberNode(short v);
    public ValueNode numberNode(Short value);
    public ValueNode numberNode(int v);
    public ValueNode numberNode(Integer value);
    public ValueNode numberNode(long v);
    public ValueNode numberNode(Long value);
    public ValueNode numberNode(BigInteger v);
    public ValueNode numberNode(float v);
    public ValueNode numberNode(Float value);
    public ValueNode numberNode(double v);
    public ValueNode numberNode(Double value);
    public ValueNode numberNode(BigDecimal v);

    // Textual nodes

    public ValueNode textNode(String text);

    // Other value (non-structured) nodes

    public ValueNode binaryNode(byte[] data);
    public ValueNode binaryNode(byte[] data, int offset, int length);
    public ValueNode pojoNode(Object pojo);

    /**
     * Factory method to use for adding "raw values"; pre-encoded values
     * that are included exactly as-is when node is serialized.
     * This may be used, for example, to include fully serialized JSON
     * sub-trees.
     * Note that the concept may not work with all backends, and since
     * no translation of any kinds is done it will not work when converting
     * between data formats.
     *
     * @since 2.6
     */
    public ValueNode rawValueNode(RawValue value);

    // Structured nodes:
    // (bit unkosher, due to forward references... but has to do for now)

    public ArrayNode arrayNode();

    /**
     * Factory method for constructing a JSON Array node with an initial capacity
     *
     * @since 2.8
     */
    public ArrayNode arrayNode(int capacity);

    public ObjectNode objectNode();
}

⏎ com/fasterxml/jackson/databind/node/JsonNodeCreator.java

 

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