/// <summary>
/// 通过http请求一个字符串
/// 请求的可以是一个文本,也会以字符串形式返回
/// </summary>
/// <param name="_url"></param>
/// <param name="_callback"></param>
public void GetString(string _url, Action <string> _callback)
{
if (false == HKRequestTools.IsCheckUrl(_url))
{
return;
}
httpClient.GetString(new Uri(_url), response =>
{
if (null != _callback)
{
if (true == response.IsSuccessStatusCode)
{
if (null != response.Data)
{
_callback(response.Data);
}
}
else
{
this.Error(StringCacheFactory.GetFree().Add("Download fail url = ")
.Add(_url).Add("\terror code = ").Add(response.StatusCode));
_callback(null);
}
}
});
}
/// <summary>
/// 下载成功处理
/// </summary>
private void DownloadSuccessExecute(HKDownloadTaskItem _item, object _data)
{
if (null != _item)
{
_item.DownloadResult = DownloadResult.Success;
updateInfo.CurrentProgress = 100; // 更新一次满进度，主要考虑到UI相关的更新
if (null != downloadUpateInfoAction)
{
downloadUpateInfoAction(updateInfo);
}
if (_item.DownloadResType == DownloadResType.StringContent) // string 类型
{
if (null != _item.CompleteAction)
{
_item.CompleteAction(_item.Url, _data as string, _item.UserData);
}
}
else if (_item.DownloadResType == DownloadResType.AssetBundle) // AssetBundle类型
{
if (true == _data is byte[])
{
// 将数据写入到本地
HKRequestTools.WriteAssetBundleToLcoal(_item.Url, (byte[])_data);
// 处理回调
if (null != _item.CompleteAction)
{
var assetBundle = AssetBundle.LoadFromMemory((byte[])_data);
_item.CompleteAction(_item.Url, assetBundle, _item.UserData);
}
}
}
else if (_item.DownloadResType == DownloadResType.ByteArray) // 二进制类型
{
if (true == _data is byte[])
{
// 处理回调
if (null != _item.CompleteAction)
{
_item.CompleteAction(_item.Url, _data, _item.UserData);
}
}
}
// 使用完后，就回收到内存池中
HKDownloadTaskItem.downloadItemCache.Recover(_item);
}
// 检测当前剩余下载对象，并继续下载
CheckQueueComplete();
}
/// <summary>
/// 获取byte数组数据
/// </summary>
/// <param name="_url"></param>
/// <param name="_successEvent"></param>
/// <param name="_failEvent"></param>
/// <param name="_progress"></param>
public void GetBytes(string _url, Action <byte[]> _successEvent = null, Action <HttpStatusCode> _failEvent = null,
Action <int> _progress = null)
{
if (false == HKRequestTools.IsCheckUrl(_url))
{
return;
}
cacheBytes.Clear();
httpClient.GetByteArray(new Uri(_url), HttpCompletionOption.StreamResponseContent, response =>
{
if (null != _progress)
{
_progress(response.PercentageComplete);
}
if (null != response.Data)
{
cacheBytes.AddRange(response.Data);
}
if (true == response.IsSuccessStatusCode)
{
if (response.PercentageComplete >= 100)
{
byte[] byteContent = cacheBytes.ToArray();
// 如果需要回调,则创建一个AssetBundle进行回调
if (null != _successEvent)
{
_successEvent(byteContent);
}
// 清空队列
cacheBytes.Clear();
}
}
else
{
if (null != _failEvent)
{
_failEvent(response.StatusCode);
}
}
});
}
/// <summary>
/// 向任务队列中,添加一个下载任务
/// </summary>
/// <param name="_url">地址</param>
/// <param name="_resType">资源类型</param>
/// <param name="_complete">回调接口</param>
/// <param name="_userData"></param>
public IRequestTaskQueue AddTask(string _url, DownloadResType _resType, Action <string, object, object> _complete, object _userData)
{
if (false == HKRequestTools.IsCheckUrl(_url))
{
return(this);
}
var item = HKDownloadTaskItem.downloadItemCache.GetFree();
if (null == item)
{
return(this);
}
item.Url = _url;
item.DownloadResType = _resType;
item.downloadPriority = 0;
item.CompleteAction = _complete;
item.UserData = _userData;
// 添加到待下载队列中
downloadSortSet.Add(item, item.downloadPriority);
return(this);
}
/// <summary>
/// 加载一个Asset Bundle,加载完后,会自动写入到可读写目录下
/// 如果存在相同的文件,会被覆盖
/// </summary>
/// <param name="_url"></param>
/// <param name="_progrss"></param>
/// <param name="_compolete"></param>
public void GetAssetBundle(string _url, Action <AssetBundle> _compolete = null, Action <int> _progrss = null)
{
if (false == HKRequestTools.IsCheckUrl(_url))
{
return;
}
cacheBytes.Clear();
httpClient.GetByteArray(new Uri(_url), HttpCompletionOption.StreamResponseContent, response =>
{
if (null != _progrss)
{
_progrss(response.PercentageComplete);
}
if (null != response.Data)
{
cacheBytes.AddRange(response.Data);
}
if (response.PercentageComplete >= 100 && true == response.IsSuccessStatusCode)
{
byte[] byteContent = cacheBytes.ToArray();
// 写入本地
HKRequestTools.WriteAssetBundleToLcoal(_url, byteContent);
// 如果需要回调,则创建一个AssetBundle进行回调
if (null != _compolete)
{
var assetBundle = AssetBundle.LoadFromMemory(byteContent);
_compolete(assetBundle);
}
// 清空队列
cacheBytes.Clear();
}
});
}