package org.andromda.repositories.emf;
import org.andromda.core.repository.RepositoryFacadeException;
import org.apache.commons.lang.StringUtils;
import org.eclipse.emf.common.util.URI;
/**
* Contains some utilities methods for dealing with the EMF repository
* facade functionality.
*
* @author Chad Brandon
*/
class EMFRepositoryFacadeUtils
{
/**
* The URI file prefix.
*/
private static final String FILE_PREFIX = "file:";
/**
* The URI archive file prefix.
*/
private static final String ARCHIVE_FILE_PREFIX = "jar:file:";
/**
* Creates the EMF URI instance from the given <code>uri</code>.
*
* @param uri the path from which to create the URI.
* @return the URI
*/
static URI createUri(String uri)
{
if (!uri.startsWith(ARCHIVE_FILE_PREFIX) && uri.startsWith(FILE_PREFIX))
{
final String filePrefixWithSlash = FILE_PREFIX + "/";
if (!uri.startsWith(filePrefixWithSlash))
{
uri = StringUtils.replaceOnce(
uri,
FILE_PREFIX,
filePrefixWithSlash);
}
}
final URI resourceUri = URI.createURI(uri);
if (resourceUri == null)
{
throw new RepositoryFacadeException("The path '" + uri + "' is not a valid URI");
}
return resourceUri;
}
}