com.github.messenger4j.receive.events.TextMessageEvent Maven / Gradle / Ivy

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The ultimate Java library for building Chatbots on the Facebook Messenger Platform

There is a newer version: 1.1.0

package com.github.messenger4j.receive.events;

import static com.github.messenger4j.internal.JsonHelper.Constants.PROP_ID;
import static com.github.messenger4j.internal.JsonHelper.Constants.PROP_MESSAGE;
import static com.github.messenger4j.internal.JsonHelper.Constants.PROP_MID;
import static com.github.messenger4j.internal.JsonHelper.Constants.PROP_RECIPIENT;
import static com.github.messenger4j.internal.JsonHelper.Constants.PROP_SENDER;
import static com.github.messenger4j.internal.JsonHelper.Constants.PROP_TEXT;
import static com.github.messenger4j.internal.JsonHelper.Constants.PROP_TIMESTAMP;
import static com.github.messenger4j.internal.JsonHelper.getPropertyAsDate;
import static com.github.messenger4j.internal.JsonHelper.getPropertyAsString;

import com.google.gson.JsonObject;
import java.util.Date;

/**
 * This event will occur when a {@code text message} has been sent to your page.
 *
 * 
 * For further information refer to:

 * 
 * https://developers.facebook.com/docs/messenger-platform/webhook-reference/message
 * 
 * 
 *
 * @author Max Grabenhorst
 * @since 0.6.0
 * @see Event
 */
public final class TextMessageEvent extends CommonTextMessageEvent {

    /**
     * Internal method to create an instance of {@link TextMessageEvent} from the given
     * event as JSON structure.
     *
     * @param jsonObject the event as JSON structure
     * @return the created {@link TextMessageEvent}
     */
    public static TextMessageEvent fromJson(JsonObject jsonObject) {
        final String senderId = getPropertyAsString(jsonObject, PROP_SENDER, PROP_ID);
        final String recipientId = getPropertyAsString(jsonObject, PROP_RECIPIENT, PROP_ID);
        final Date timestamp = getPropertyAsDate(jsonObject, PROP_TIMESTAMP);
        final String mid = getPropertyAsString(jsonObject, PROP_MESSAGE, PROP_MID);
        final String text = getPropertyAsString(jsonObject, PROP_MESSAGE, PROP_TEXT);

        return new TextMessageEvent(senderId, recipientId, timestamp, mid, text);
    }

    public TextMessageEvent(String senderId, String recipientId, Date timestamp, String mid, String text) {
        super(senderId, recipientId, timestamp, mid, text);
    }

    @Override
    public boolean equals(Object o) {
        return super.equals(o);
    }

    @Override
    public int hashCode() {
        return super.hashCode();
    }

    @Override
    public String toString() {
        return "TextMessageEvent{} super=" + super.toString();
    }
}