Java tutorial
/* * Copyright 2016 LINE Corporation * * LINE Corporation licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package com.linecorp.bot.model.message.template; import java.util.Collections; import java.util.List; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonProperty; import com.linecorp.bot.model.action.Action; import lombok.Value; /** * Column object for carousel template */ @Value public class CarouselColumn { /** * Image URL * <ul> * <li>HTTPS</li> * <li>JPEG or PNG</li> * <li>Aspect ratio: 1:1.51</li> * <li>Max width: 1024px</li> * <li>Max: 1 MB</li> * </ul> */ private final String thumbnailImageUrl; /** * Title (Max: 40 characters) */ private final String title; /** * Message text<br> * Max: 120 characters (no image or title)<br> * Max: 60 characters (message with an image or title) */ private final String text; /** * Action when tapped(Max: 3) */ private final List<Action> actions; @JsonCreator public CarouselColumn(@JsonProperty("thumbnailImageUrl") String thumbnailImageUrl, @JsonProperty("title") String title, @JsonProperty("text") String text, @JsonProperty("actions") List<Action> actions) { this.thumbnailImageUrl = thumbnailImageUrl; this.title = title; this.text = text; this.actions = actions != null ? actions : Collections.emptyList(); } }