/*
* IronJacamar, a Java EE Connector Architecture implementation
* Copyright 2008, Red Hat Inc, 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.jca.common.annotations.repository.jandex;
import org.jboss.jca.common.spi.annotations.repository.AnnotationRepository;
import org.jboss.jca.common.spi.annotations.repository.AnnotationScanner;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import org.jboss.jandex.Indexer;
import org.jboss.logging.Logger;
/**
* An AnnotationScannerImpl based on jandex.
*
* @author <a href="jesper.pedersen@jboss.org">Jesper Pedersen</a>
*/
public class AnnotationScannerImpl implements AnnotationScanner
{
private static Logger log = Logger.getLogger(AnnotationScannerImpl.class);
/**
* Create a new AnnotationScannerImpl with a jandex backend
*/
public AnnotationScannerImpl()
{
}
/**
* {@inheritDoc}
*/
@Override
public AnnotationRepository scan(URL[] urls, ClassLoader cl)
{
Indexer indexer = new Indexer();
if (urls != null && urls.length > 0)
{
for (URL url : urls)
{
String externalForm = url.toExternalForm();
if (externalForm.endsWith(".class"))
{
InputStream is = null;
try
{
is = new FileInputStream(new File(url.toURI()));
indexer.index(is);
}
catch (Throwable t)
{
log.error("Unable to process: " + externalForm, t);
}
finally
{
if (is != null)
{
try
{
is.close();
}
catch (IOException ioe)
{
// Nothing
}
}
}
}
else if (externalForm.endsWith(".jar"))
{
JarFile jarFile = null;
try
{
jarFile = new JarFile(new File(url.toURI()));
Enumeration<JarEntry> entries = jarFile.entries();
while (entries.hasMoreElements())
{
JarEntry jarEntry = entries.nextElement();
if (jarEntry.getName().endsWith(".class"))
{
InputStream is = null;
try
{
is = jarFile.getInputStream(jarEntry);
indexer.index(is);
}
catch (Throwable t)
{
log.error("Unable to process: " + jarEntry.getName(), t);
}
finally
{
if (is != null)
{
try
{
is.close();
}
catch (IOException ioe)
{
// Nothing
}
}
}
}
}
}
catch (Throwable t)
{
log.error("Unable to process: " + externalForm, t);
}
finally
{
if (jarFile != null)
{
try
{
jarFile.close();
}
catch (IOException ioe)
{
// Nothing
}
}
}
}
}
}
return new AnnotationRepositoryImpl(indexer.complete(), cl);
}
}