Callback.java

package me.ramswaroop.jbot.core.facebook.models;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author ramswaroop
 * @version 31/07/2017
 */
@JsonIgnoreProperties(ignoreUnknown = true)
@JsonInclude(JsonInclude.Include.NON_NULL)
public class Callback {

    private static final Logger logger = LoggerFactory.getLogger(Callback.class);

    private String object;
    private Entry[] entry;

    public String getObject() {
        return object;
    }

    public void setObject(String object) {
        this.object = object;
    }

    public Entry[] getEntry() {
        return entry;
    }

    public void setEntry(Entry[] entry) {
        this.entry = entry;
    }

    @Override
    public String toString() {
        try {
            return new ObjectMapper().writeValueAsString(this);
        } catch (JsonProcessingException e) {
            logger.error("Error serializing Callback: {}", e);
            return "";
        }
    }
}