}
public String rewrite(final ContentEntity sourceDocument, final ContentEntity dataEntity)
throws URLRewriteException
{
final Repository dataRepository = dataEntity.getRepository();
if (dataRepository instanceof UrlRepository == false)
{
// cannot proceed ..
throw new URLRewriteException("DataRepository is no URL-Repository.");
}
final UrlRepository dataUrlRepo = (UrlRepository) dataRepository;
final String dataPath = buildPath(dataEntity);
final URL dataItemUrl;
try
{
dataItemUrl = new URL(dataUrlRepo.getURL(), dataPath);
}
catch (MalformedURLException e)
{
// cannot proceed ..
throw new URLRewriteException("DataEntity has no valid URL.");
}
final Repository documentRepository = sourceDocument.getRepository();
if (documentRepository instanceof UrlRepository == false)
{
// If at least the data entity has an URL, we can always fall back
// to an global URL..
return dataItemUrl.toExternalForm();