/*
* Copyright (C) 2012 eXo Platform SAS.
*
* 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.crsh.lang.impl.java;
import java.security.SecureClassLoader;
import java.util.HashMap;
import java.util.Map;
/** @author Julien Viet */
class LoadingClassLoader extends SecureClassLoader {
/** . */
private final Map<String, byte[]> definitions;
/** . */
private final HashMap<String, Class<?>> classes;
LoadingClassLoader(ClassLoader parent, Iterable<JavaClassFileObject> files) {
super(parent);
//
HashMap<String, byte[]> definitions = new HashMap<String,byte[]>();
for (JavaClassFileObject definition : files) {
definitions.put(definition.getClassName(), definition.getBytes());
}
//
this.definitions = definitions;
this.classes = new HashMap<String, Class<?>>();
}
LoadingClassLoader(Map<String, byte[]> definitions) {
this.definitions = definitions;
this.classes = new HashMap<String, Class<?>>();
}
@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
Class<?> clazz = classes.get(name);
if (clazz == null) {
byte[] definition = definitions.get(name);
if (definition == null) {
return super.findClass(name);
} else {
classes.put(name, clazz = super.defineClass(name, definition, 0, definition.length));
}
}
return clazz;
}
}