/*
* (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License
* (LGPL) version 2.1 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* This library 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.
*
* Contributors:
* bstefanescu
*
* $Id$
*/
package org.nuxeo.ecm.webengine.loader;
import groovy.lang.GroovyClassLoader;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.groovy.classgen.Verifier;
import org.nuxeo.ecm.webengine.WebException;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*
*/
public class GroovyClassProxy implements ClassProxy {
private static final Log log = LogFactory.getLog(GroovyClassLoader.class);
protected final GroovyClassLoader loader;
protected final String className;
protected long timestamp = 0;
public GroovyClassProxy(GroovyClassLoader loader, String className) {
this.loader = loader;
this.className = className;
}
public String getClassName() {
return className;
}
public Class<?> get() {
try {
Class<?> clazz = loader.loadClass(className, true, false);
long tm = Verifier.getTimestamp(clazz);
if (timestamp > 0 && timestamp < tm) {
if (log.isDebugEnabled()) {
log.debug("CLASS CHANGED: "+clazz.getName());
}
}
timestamp = tm;
return clazz;
} catch (ClassNotFoundException e) {
throw WebException.wrap("Class Not found: '" + className + "'", e);
} catch (Exception e) {
throw WebException.wrap(e);
}
}
@Override
public String toString() {
return className;
}
}