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-2.14.0-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Databind Source Code below:

⏎ com/fasterxml/jackson/databind/deser/UnresolvedForwardReference.java

package com.fasterxml.jackson.databind.deser;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

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

import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.deser.impl.ReadableObjectId;

/**
 * Exception thrown during deserialization when there are object id that can't
 * be resolved.
 * 
 * @author pgelinas
 */
public class UnresolvedForwardReference extends JsonMappingException {
    private static final long serialVersionUID = 1L;
    private ReadableObjectId _roid;
    private List<UnresolvedId> _unresolvedIds;

    /**
     * @since 2.7
     */
    public UnresolvedForwardReference(JsonParser p, String msg, JsonLocation loc, ReadableObjectId roid) {
        super(p, msg, loc);
        _roid = roid;
    }

    /**
     * @since 2.7
     */
    public UnresolvedForwardReference(JsonParser p, String msg) {
        super(p, msg);
        _unresolvedIds = new ArrayList<UnresolvedId>();
    }

    /*
    /**********************************************************
    /* Accessor methods
    /**********************************************************
     */

    public ReadableObjectId getRoid() {
        return _roid;
    }

    public Object getUnresolvedId() {
        return _roid.getKey().key;
    }

    public void addUnresolvedId(Object id, Class<?> type, JsonLocation where) {
        _unresolvedIds.add(new UnresolvedId(id, type, where));
    }

    public List<UnresolvedId> getUnresolvedIds(){
        return _unresolvedIds;
    }
    
    @Override
    public String getMessage()
    {
        String msg = super.getMessage();
        if (_unresolvedIds == null) {
            return msg;
        }

        StringBuilder sb = new StringBuilder(msg);
        Iterator<UnresolvedId> iterator = _unresolvedIds.iterator();
        while (iterator.hasNext()) {
            UnresolvedId unresolvedId = iterator.next();
            sb.append(unresolvedId.toString());
            if (iterator.hasNext()) {
                sb.append(", ");
            }
        }
        sb.append('.');
        return sb.toString();
    }

    /**
     * This method is overridden to prevent filling of the stack trace when
     * constructors are called (unfortunately alternative constructors can
     * not be used due to historical reasons).
     * To explicitly fill in stack traces method {@link #withStackTrace()}
     * needs to be called after construction.
     *
     * @since 2.14
     */
    @Override
    public synchronized UnresolvedForwardReference fillInStackTrace() {
        return this;
    }

    /**
     * "Mutant" factory method for filling in stack trace; needed since the default
     * constructors will not fill in stack trace.
     *
     * @since 2.14
     */
    public UnresolvedForwardReference withStackTrace() {
        super.fillInStackTrace();
        return this;
    }
}

⏎ com/fasterxml/jackson/databind/deser/UnresolvedForwardReference.java

Or download all of them as a single archive file:

File name: jackson-databind-2.14.0-sources.jar
File size: 1187952 bytes
Release date: 2022-11-05
Download 

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