/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.jbpm.wire.descriptor;
import java.util.logging.Logger;
import org.jbpm.env.Environment;
import org.jbpm.wire.WireContext;
import org.jbpm.wire.WireException;
/**
* @author Tom Baeyens
*/
public class TypeRefDescriptor extends AbstractDescriptor {
private static final long serialVersionUID = 1L;
private static final Logger log = Logger.getLogger(TypeRefDescriptor.class.getName());
Class<?> environmentClass;
Class<?> contextClass;
public Object construct(WireContext wireContext) {
if (contextClass!=null) {
log.finest("looking up "+contextClass.getName()+" by type in "+wireContext);
return wireContext.get(contextClass);
} else if (environmentClass!=null) {
Environment environment = wireContext.getEnvironment();
if (environment==null) {
throw new WireException("no environment to search an object of type "+environmentClass.getName());
}
log.finest("looking up "+environmentClass.getName()+" by type in environment");
return environment.get(environmentClass);
}
return null;
}
public void setEnvironmentClass(Class< ? > environmentClass) {
this.environmentClass = environmentClass;
}
public void setContextClass(Class< ? > contextClass) {
this.contextClass = contextClass;
}
}