VideoAttachment.java

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package com.netease.nimlib.sdk.msg.attachment;

import com.netease.nimlib.session.MsgHelper;
import com.netease.nimlib.util.JSONHelper;
import com.netease.nimlib.util.storage.NimStorageType;

import org.json.JSONObject;

/**
 * 视频消息附件
 */
public class VideoAttachment extends FileAttachment {

    private int width;

    private int height;

    private long duration;

    public VideoAttachment() {

    }

    public VideoAttachment(String attach) {
        super(attach);
    }

    /**
     * 获取视频的宽度
     */
    public int getWidth() {
        return width;
    }

    /**
     * 设置视频的宽度
     */
    public void setWidth(int width) {
        this.width = width;
    }

    /**
     * 获取视频的高度
     */
    public int getHeight() {
        return height;
    }

    /**
     * 设置视频的高度
     */
    public void setHeight(int height) {
        this.height = height;
    }

    /**
     * 获取视频的播放时长
     *
     * @return 播放时长，单位:ms
     */
    public long getDuration() {
        return duration;
    }

    /**
     * 设置视频的播放时长
     */
    public void setDuration(long duration) {
        this.duration = duration;
    }

    /**
     * 获取缩略图 thumbUrl
     * @return thumbUrl 缩略图， 如果url 为空，返回null
     */
    public String getThumbUrl() {
        return MsgHelper.getThumbUrl(this, getUrl());
    }

    @Override
    protected NimStorageType storageType() {
        return NimStorageType.TYPE_VIDEO;
    }

    private static final String KEY_DURATION = "dur";
    private static final String KEY_WIDTH = "w";
    private static final String KEY_HEIGHT = "h";

    @Override
    protected void save(JSONObject json) {
        JSONHelper.put(json, KEY_WIDTH, width);
        JSONHelper.put(json, KEY_HEIGHT, height);
        JSONHelper.put(json, KEY_DURATION, duration);
    }

    @Override
    protected void load(JSONObject json) {
        width = JSONHelper.getInt(json, KEY_WIDTH);
        height = JSONHelper.getInt(json, KEY_HEIGHT);
        duration = JSONHelper.getInt(json, KEY_DURATION);
    }
}