/// <summary>
/// Convenience method.
/// </summary>
/// <param name="file">
/// the path to the output file </param>
public virtual void loadTagMappingFile(string file)
{
if (!string.ReferenceEquals(file, null))
{
File f = new File(file);
if (!f.exists())
{
throw new System.ArgumentException("tag mapping file parameter points to a file that does not exist");
}
if (f.Directory)
{
throw new System.ArgumentException("tag mapping file parameter points to a directory, must be a file");
}
else if (!f.canRead())
{
throw new System.ArgumentException("tag mapping file parameter points to a file we have no read permissions");
}
try
{
this.tagMapping = OSMTagMapping.getInstance(f.toURI().toURL());
}
catch (MalformedURLException e)
{
throw new Exception(e);
}
}
else
{
this.tagMapping = OSMTagMapping.Instance;
}
}
/// <summary>
/// Extracts known way tags and returns their ids.
/// </summary>
/// <param name="entity">
/// the way </param>
/// <returns> the ids of the identified tags </returns>
public static short[] extractKnownWayTags(Entity entity)
{
TShortArrayList currentTags = new TShortArrayList();
OSMTagMapping mapping = OSMTagMapping.Instance;
if (entity.Tags != null)
{
foreach (Tag tag in entity.Tags)
{
OSMTag wayTag = mapping.getWayTag(tag.Key, tag.Value);
if (wayTag != null)
{
currentTags.add(wayTag.Id);
}
}
}
return(currentTags.toArray());
}
