/*
* Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.ejb.packaging;
import java.io.IOException;
import java.net.URL;
import java.util.Set;
import org.hibernate.annotations.common.AssertionFailure;
/**
* @author Emmanuel Bernard
*/
public class JarProtocolVisitor implements JarVisitor {
private JarVisitor delegate;
private URL jarUrl;
private Filter[] filters;
public JarProtocolVisitor(URL url, Filter[] filters, String entry) {
this.jarUrl = url;
this.filters = filters;
if (entry != null && entry.length() > 0) throw new IllegalArgumentException( "jar:jar: not supported: " + jarUrl );
init();
}
private void init() {
String file = jarUrl.getFile();
String entry;
int subEntryIndex = file.lastIndexOf( "!" );
if (subEntryIndex == -1) throw new AssertionFailure("JAR URL does not contain '!/' :" + jarUrl);
if ( subEntryIndex + 1 >= file.length() ) {
entry = "";
}
else {
entry = file.substring( subEntryIndex + 1 );
}
URL fileUrl = JarVisitorFactory.getJarURLFromURLEntry( jarUrl, entry );
delegate = JarVisitorFactory.getVisitor( fileUrl, filters, entry );
}
public String getUnqualifiedJarName() {
return delegate.getUnqualifiedJarName();
}
public Filter[] getFilters() {
return delegate.getFilters();
}
public Set[] getMatchingEntries() throws IOException {
return delegate.getMatchingEntries();
}
}