/// <summary>
/// Gets the <see cref="NetmeraMedia"/> object with the specified key.
/// </summary>
/// <param name="key">Key to get value</param>
/// <returns><see cref="NetmeraMedia"/> object with the specified key.If the object type is not an <see cref="NetmeraMedia"/> or key does not exists then it returns null.</returns>
public NetmeraMedia getNetmeraMedia(String key)
{
if (string.IsNullOrEmpty(data.Value <String>(key)))
{
return(null);
}
Object obj;
try
{
obj = data.Value <String>(key);
}
catch (JsonException)
{
throw new NetmeraException(NetmeraException.ErrorCode.EC_INVALID_KEY, "Json with key [" + key + "] is invalid.");
}
if (obj.GetType() != typeof(String))
{
return(null);
}
if (!Regex.IsMatch((String)obj, NetmeraConstants.Url_Pattern))
{
throw new NetmeraException(NetmeraException.ErrorCode.EC_INVALID_URL, key);
}
String url = (String)obj;
byte[] imageBytes = null;
try
{
imageBytes = HttpUtils.toByteArray(new Uri(url));
}
catch (UriFormatException e)
{
throw new NetmeraException(NetmeraException.ErrorCode.EC_INVALID_DATA_TYPE, e.Message);
}
catch (IOException e)
{
throw new NetmeraException(NetmeraException.ErrorCode.EC_IO_EXCEPTION, e.Message);
}
NetmeraMedia nm = new NetmeraMedia(imageBytes);
nm.setUrl(url);
return(nm);
}
/// <summary>
/// Gets the <see cref="NetmeraMedia"/> object with the specified key.
/// </summary>
/// <param name="key">Key to get value</param>
/// <param name="callback">Method called when nmedia get operation finishes</param>
public void getNetmeraMedia(String key, Action <NetmeraMedia, Exception> callback)
{
if (string.IsNullOrEmpty(data.Value <String>(key)))
{
if (callback != null)
{
callback(null, null);
}
//return null;
}
Object obj = null;
try
{
obj = data.Value <String>(key);
}
catch (JsonException)
{
if (callback != null)
{
callback(null, new NetmeraException(NetmeraException.ErrorCode.EC_INVALID_KEY, "Json with key [" + key + "] is invalid."));
}
}
if (obj.GetType() != typeof(String))
{
if (callback != null)
{
callback(null, null);
}
//return null;
}
if (!Regex.IsMatch((String)obj, NetmeraConstants.Url_Pattern))
{
if (callback != null)
{
callback(null, new NetmeraException(NetmeraException.ErrorCode.EC_INVALID_URL, key));
}
}
String url = (String)obj;
try
{
HttpUtils.toByteArray(new Uri(url), (imageBytes, ex) =>
{
if (ex != null || imageBytes == null)
{
if (callback != null)
{
callback(null, ex);
}
}
else
{
NetmeraMedia nm = new NetmeraMedia(imageBytes);
nm.setUrl(url);
if (callback != null)
{
callback(nm, null);
}
}
});
}
catch (UriFormatException e)
{
if (callback != null)
{
callback(null, new NetmeraException(NetmeraException.ErrorCode.EC_INVALID_DATA_TYPE, e.Message));
}
}
catch (IOException e)
{
if (callback != null)
{
callback(null, new NetmeraException(NetmeraException.ErrorCode.EC_IO_EXCEPTION, e.Message));
}
}
}
