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/exc/UnrecognizedPropertyException.java

package com.fasterxml.jackson.databind.exc;

import java.util.*;

import com.fasterxml.jackson.core.JsonLocation;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.JsonMappingException;

/**
 * Specialized {@link JsonMappingException} sub-class specifically used
 * to indicate problems due to encountering a JSON property that could
 * not be mapped to an Object property (via getter, constructor argument
 * or field).
 */
public class UnrecognizedPropertyException
    extends PropertyBindingException
{
    private static final long serialVersionUID = 1L;

    public UnrecognizedPropertyException(JsonParser p, String msg, JsonLocation loc,
            Class<?> referringClass, String propName,
            Collection<Object> propertyIds)
    {
        super(p, msg, loc, referringClass, propName, propertyIds);
    }

    /**
     * @deprecated Since 2.7
     */
    @Deprecated // since 2.7
    public UnrecognizedPropertyException(String msg, JsonLocation loc,
            Class<?> referringClass, String propName,
            Collection<Object> propertyIds)
    {
        super(msg, loc, referringClass, propName, propertyIds);
    }

    /**
     * Factory method used for constructing instances of this exception type.
     * 
     * @param p Underlying parser used for reading input being used for data-binding
     * @param fromObjectOrClass Reference to either instance of problematic type (
     *    if available), or if not, type itself
     * @param propertyName Name of unrecognized property
     * @param propertyIds (optional, null if not available) Set of properties that
     *    type would recognize, if completely known: null if set cannot be determined.
     */
    public static UnrecognizedPropertyException from(JsonParser p,
            Object fromObjectOrClass, String propertyName,
            Collection<Object> propertyIds)
    {
        Class<?> ref;
        if (fromObjectOrClass instanceof Class<?>) {
            ref = (Class<?>) fromObjectOrClass;
        } else {
            ref = fromObjectOrClass.getClass();
        }
        String msg = String.format("Unrecognized field \"%s\" (class %s), not marked as ignorable",
                propertyName, ref.getName());
        UnrecognizedPropertyException e = new UnrecognizedPropertyException(p, msg,
                p.getCurrentLocation(), ref, propertyName, propertyIds);
        // but let's also ensure path includes this last (missing) segment
        e.prependPath(fromObjectOrClass, propertyName);
        return e;
    }
}

⏎ com/fasterxml/jackson/databind/exc/UnrecognizedPropertyException.java

 

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