/******************************************************************************
* Copyright (c) 2006, 2010 VMware Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html and the Apache License v2.0
* is available at http://www.opensource.org/licenses/apache2.0.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* VMware Inc.
*****************************************************************************/
package org.eclipse.gemini.blueprint.service.exporter.support.internal.controller;
import java.lang.reflect.Field;
/**
* Utility class that retrieves the controller associated with a given importer.
*
* @author Costin Leau
*
*/
public abstract class ExporterControllerUtils {
private static final String FIELD_NAME = "controller";
private static final Field field;
static {
String className = "org.eclipse.gemini.blueprint.service.exporter.support.OsgiServiceFactoryBean";
try {
Class<?> cls = ExporterControllerUtils.class.getClassLoader().loadClass(className);
field = cls.getDeclaredField(FIELD_NAME);
field.setAccessible(true);
} catch (Exception ex) {
throw (RuntimeException) new IllegalStateException("Cannot read field [" + FIELD_NAME + "] on class ["
+ className + "]").initCause(ex);
}
}
public static ExporterInternalActions getControllerFor(Object exporter) {
try {
return (ExporterInternalActions) field.get(exporter);
} catch (IllegalAccessException iae) {
throw (RuntimeException) new IllegalArgumentException("Cannot access field [" + FIELD_NAME
+ "] on object [" + exporter + "]").initCause(iae);
}
}
}