/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.weld.integration.util;
import java.net.URL;
import java.security.CodeSource;
import java.security.ProtectionDomain;
import java.util.jar.Manifest;
import org.jboss.logging.Logger;
/**
* Find manifest info from class - abstract from code source.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
abstract class AbstractManifestFinder implements ManifestFinder
{
protected Logger log = Logger.getLogger(getClass());
public Manifest findManifest(Class<?> clazz) throws Exception
{
ProtectionDomain domain = clazz.getProtectionDomain();
CodeSource source = domain.getCodeSource();
URL location = source.getLocation();
return findManifest(location);
}
/**
* Find manifest from base url.
*
* @param url the url
* @return manifest or null
* @throws Exception for any error
*/
protected abstract Manifest findManifest(URL url) throws Exception;
}