JsonDelta.java

package jiff;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.node.ArrayNode;

/**
 * Represents a difference between two instances of a field
 *
 * @author bserdar
 */
public class JsonDelta {

    private final String field;
    private final JsonNode node1;
    private final JsonNode node2;

    public JsonDelta(String field,
                     JsonNode node1,
                     JsonNode node2) {
        this.field = field;
        this.node1 = node1;
        this.node2 = node2;
    }

    public String getField() {
        return field;
    }

    public JsonNode getNode1() {
        return node1;
    }

    public JsonNode getNode2() {
        return node2;
    }

    @Override
    public String toString() {
        return field + "(" + describe(node1) + " != " + describe(node2) + ")";
    }

    private String describe(JsonNode node) {
        if (node == null) {
            return "null";
        } else {
            return node.toString();
        }
    }
}