/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.jpa.test;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import static java.io.File.separatorChar;
/**
* @author Steve Ebersole
*/
public class TestHelper {
private static URL RESOLVED_TEST_ROOT_URL;
public static URL determineTestRootUrl() {
if ( RESOLVED_TEST_ROOT_URL == null ) {
RESOLVED_TEST_ROOT_URL = resolveRootUrl( TestHelper.class );
}
return RESOLVED_TEST_ROOT_URL;
}
public static URL resolveRootUrl(Class knownClass) {
final String knownClassFileName = '/' + knownClass.getName().replace( '.', separatorChar ) + ".class";
final URL knownClassFileUrl = TestHelper.class.getResource( knownClassFileName );
final String knownClassFileUrlString = knownClassFileUrl.toExternalForm();
// to start, strip off the class file name
String rootUrlString = knownClassFileUrlString.substring( 0, knownClassFileUrlString.lastIndexOf( separatorChar ) );
// then strip off each package dir
final String packageName = knownClass.getPackage().getName();
for ( String packageNamePart : packageName.split( "\\." ) ) {
rootUrlString = rootUrlString.substring( 0, rootUrlString.lastIndexOf( separatorChar ) );
}
try {
return new URL( rootUrlString );
}
catch (MalformedURLException e) {
throw new RuntimeException( "Could not convert class base url as string to URL ref", e );
}
}
}