/// <summary>
/// Gets the first resource (random order) with the give mediatype. Useful for
/// looking up the table of contents as it's supposed to be the only resource with
/// NCX mediatype.
/// </summary>
/// <param name="resources"></param>
/// <param name="mediaType"></param>
public static Resource findFirstResourceByMediaType(Dictionary<string, Resource> resources, MediaType mediaType)
{
foreach (Resource resource in resources.Values)
{
if (resource.getMediaType() == mediaType)
{
return resource;
}
}
return null;
}
/// <summary>
/// Creates a Resource with the given data and MediaType. The href will be
/// automatically generated. Assumes that if the data is of a text type
/// (html/css/etc) then the encoding will be UTF-8
/// </summary>
/// <param name="data">The Resource's contents</param>
/// <param name="mediaType">The MediaType of the Resource</param>
public Resource(byte[] data, MediaType mediaType)
: this(null, data, null, mediaType)
{
}
///
/// <param name="mediaType"></param>
public void setMediaType(MediaType mediaType)
{
this.mediaType = mediaType;
}
/// <summary>
/// Creates a resource with the given id, data, mediatype at the specified href. If
/// the data is of a text type (html/css/etc) then it will use the given
/// inputEncoding.
/// </summary>
/// <param name="id">The id of the Resource. Internal use only. Will be auto-
/// generated if it has a null-value.</param>
/// <param name="data">The Resource's contents</param>
/// <param name="href">The location of the resource within the epub. Example:
/// "chapter1.html".</param>
/// <param name="mediaType">The resources MediaType</param>
/// <param name="inputEncoding">If the data is of a text type (html/css/etc) then
/// it will use the given inputEncoding.</param>
public Resource(string id, byte[] data, string href, MediaType mediaType, string inputEncoding)
{
this.id = id;
this.href = href;
this.mediaType = mediaType;
this.inputEncoding = inputEncoding;
this.data = data;
}
/// <summary>
/// Creates a resource with the given id, data, mediatype at the specified href.
/// Assumes that if the data is of a text type (html/css/etc) then the encoding
/// will be UTF-8
/// </summary>
/// <param name="id">The id of the Resource. Internal use only. Will be auto-
/// generated if it has a null-value.</param>
/// <param name="data">The Resource's contents</param>
/// <param name="href">The location of the resource within the epub. Example:
/// "chapter1.html".</param>
/// <param name="mediaType">The resources MediaType</param>
public Resource(string id, byte[] data, string href, MediaType mediaType)
: this(id, data, href, mediaType, Constants.ENCODING)
{
}
///
/// <param name="mediaType"></param>
/// <param name="counter"></param>
private string createHref(MediaType mediaType, int counter)
{
if (MediatypeService.isBitmapImage(mediaType))
{
return "image_" + counter + mediaType.getDefaultExtension();
}
else
{
return "item_" + counter + mediaType.getDefaultExtension();
}
}
/// <summary>
/// All Resources that match any of the given list of MediaTypes
/// </summary>
/// <param name="mediaTypes"></param>
public List<Resource> getResourcesByMediaTypes(MediaType[] mediaTypes)
{
List<Resource> result = new List<Resource>();
if (mediaTypes == null)
{
return result;
}
List<MediaType> lmediaType = new List<MediaType>(mediaTypes);
foreach (Resource resource in getAll())
{
if (lmediaType.Contains(resource.getMediaType()))
{
result.Add(resource);
}
}
return result;
}
/// <summary>
/// All resources that have the given MediaType.
/// </summary>
/// <param name="mediaType"></param>
public List<Resource> getResourcesByMediaType(MediaType mediaType)
{
List<Resource> result = new List<Resource>();
if (mediaType == null)
{
return result;
}
foreach (Resource resource in getAll())
{
if (resource.getMediaType() == mediaType)
{
result.Add(resource);
}
}
return result;
}
/// <summary>
/// Gets the first resource (random order) with the give mediatype. Useful for
/// looking up the table of contents as it's supposed to be the only resource with
/// NCX mediatype.
/// </summary>
/// <param name="mediaType"></param>
public Resource findFirstResourceByMediaType(MediaType mediaType)
{
return findFirstResourceByMediaType(resources, mediaType);
}
public static bool isBitmapImage(MediaType mediaType)
{
return mediaType == JPG || mediaType == PNG || mediaType == GIF;
}