/*
* 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.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
/**
* Find manifest info from class - plain JDK.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
class JDKManifestFinder extends AbstractManifestFinder
{
protected Manifest findManifest(URL url) throws Exception
{
URLConnection conn = url.openConnection();
if (conn instanceof JarURLConnection)
{
JarURLConnection jarConn = (JarURLConnection)conn;
return jarConn.getManifest();
}
else
{
File parent = new File(url.toURI());
File child = new File(parent, JarFile.MANIFEST_NAME);
if (child.exists())
{
InputStream fis = new FileInputStream(child);
try
{
return new Manifest(fis);
}
finally
{
close(fis);
}
}
else
{
return null;
}
}
}
private static void close(InputStream is)
{
try
{
is.close();
}
catch (IOException ignored)
{
}
}
}