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/exc/PropertyBindingException.java

package com.fasterxml.jackson.databind.exc;

import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;

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

/**
 * Base class for {@link JsonMappingException}s that are specifically related
 * to problems related to binding an individual property.
 * 
 * @since 2.3
 */
@SuppressWarnings("serial")
public abstract class PropertyBindingException
    extends MismatchedInputException // since 2.9
{
    /**
     * Class that does not contain mapping for the unrecognized property.
     */
    protected final Class<?> _referringClass;
    
    /**
     *<p>
     * Note: redundant information since it is also included in the
     * reference path.
     */
    protected final String _propertyName;

    /**
     * Set of ids of properties that are known for the type, if this
     * can be statically determined.
     */
    protected final Collection<Object> _propertyIds;

    /**
     * Lazily constructed description of known properties, used for
     * constructing actual message if and as needed.
     */
    protected transient String _propertiesAsString;

    /**
     * @since 2.7
     */
    protected PropertyBindingException(JsonParser p, String msg, JsonLocation loc,
            Class<?> referringClass, String propName,
            Collection<Object> propertyIds)
    {
        super(p, msg, loc);
        _referringClass = referringClass;
        _propertyName = propName;
        _propertyIds = propertyIds;
    }

    /**
     * @deprecated Since 2.7
     */
    @Deprecated // since 2.7
    protected PropertyBindingException(String msg, JsonLocation loc,
            Class<?> referringClass, String propName,
            Collection<Object> propertyIds)
    {
        this(null, msg, loc, referringClass, propName, propertyIds);
    }

    /*
    /**********************************************************
    /* Overrides
    /**********************************************************
     */

    /**
     * Somewhat arbitrary limit, but let's try not to create uselessly
     * huge error messages
     */
    private final static int MAX_DESC_LENGTH = 1000;

    @Override
    public String getMessageSuffix()
    {
        String suffix = _propertiesAsString;
        if (suffix == null && _propertyIds != null) {
            StringBuilder sb = new StringBuilder(100);
            int len = _propertyIds.size();
            if (len == 1) {
                sb.append(" (one known property: \"");
                sb.append(String.valueOf(_propertyIds.iterator().next()));
                sb.append('"');
            } else {
                sb.append(" (").append(len).append(" known properties: ");
                Iterator<Object> it = _propertyIds.iterator();
                while (it.hasNext()) {
                    sb.append('"');
                    sb.append(String.valueOf(it.next()));
                    sb.append('"');
                    // one other thing: limit max length
                    if (sb.length() > MAX_DESC_LENGTH) {
                        sb.append(" [truncated]");
                        break;
                    }
                    if (it.hasNext()) {
                        sb.append(", ");
                    }
                }
            }
            sb.append("])");
            _propertiesAsString = suffix = sb.toString();
        }
        return suffix;
    }

    /*
    /**********************************************************
    /* Extended API
    /**********************************************************
     */
    
    /**
     * Method for accessing type (class) that is missing definition to allow
     * binding of the unrecognized property.
     */
    public Class<?> getReferringClass() {
        return _referringClass;
    }
    
    /**
     * Convenience method for accessing logical property name that could
     * not be mapped. Note that it is the last path reference in the
     * underlying path.
     */
    public String getPropertyName() {
        return _propertyName;
    }    
    
    public Collection<Object> getKnownPropertyIds()
    {
        if (_propertyIds == null) {
            return null;
        }
        return Collections.unmodifiableCollection(_propertyIds);
    }
}

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

 

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