/**
* This file is part of the Iritgo/Aktera Framework.
*
* Copyright (C) 2005-2011 Iritgo Technologies.
* Copyright (C) 2003-2005 BueroByte GbR.
*
* Iritgo licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.iritgo.aktera.hibernate;
import de.iritgo.aktera.core.container.KeelContainer;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
import javassist.bytecode.AnnotationsAttribute;
import javassist.bytecode.AttributeInfo;
import javassist.bytecode.ClassFile;
/**
* This class is used to provide Spring's LocalSessionFactoryBean with
* Hibernate mapping locations. These locations are stored in the Keel
* container.
*/
public class DomainClassesLocationsProvider extends ArrayList<String>
{
/** */
private static final long serialVersionUID = 1L;
/**
* Create a new HibernateMappingProvider.
*/
public DomainClassesLocationsProvider()
{
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Enumeration<URL> urls;
try
{
urls = cl.getResources("META-INF/persistence.xml");
while (urls.hasMoreElements())
{
URL url = urls.nextElement();
String jarPath = url.toString();
int index = jarPath.lastIndexOf("!/META-INF/persistence.xml");
if (index != - 1)
{
jarPath = jarPath.substring(4, index);
JarInputStream jar = new JarInputStream(new URL(jarPath).openStream());
JarEntry entry = null;
while ((entry = jar.getNextJarEntry()) != null)
{
String entryName = entry.getName();
if (entryName.endsWith(".class"))
{
ClassFile cf = new ClassFile(new DataInputStream(new BufferedInputStream(jar)));
AnnotationsAttribute ai = (AnnotationsAttribute) cf
.getAttribute(AnnotationsAttribute.visibleTag);
if (ai != null
&& (ai.getAnnotation("javax.persistence.Entity") != null || ai
.getAnnotation("org.hibernate.annotations.GenericGenerators") != null))
{
add(cf.getName());
}
}
jar.closeEntry();
}
jar.close();
}
}
}
catch (IOException x)
{
}
}
}