Package org.jvnet.hk2.osgiadapter

Source Code of org.jvnet.hk2.osgiadapter.OsgiPopulatorPostProcessor

/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License").  You
* may not use this file except in compliance with the License.  You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt.  See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license."  If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above.  However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.jvnet.hk2.osgiadapter;

import static org.jvnet.hk2.osgiadapter.Logger.logger;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.logging.Level;

import org.glassfish.hk2.api.HK2Loader;
import org.glassfish.hk2.api.MultiException;
import org.glassfish.hk2.api.PopulatorPostProcessor;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.utilities.DescriptorImpl;

/**
* A PopulatorPostProcessor that sets the HK2Loader prior to binding a descriptor
*
* @author mason.taube@oracle.com
*
*/
public class OsgiPopulatorPostProcessor implements
    PopulatorPostProcessor {
 
  public static final String BUNDLE_VERSION = "Bundle-Version";
  public static final String BUNDLE_SYMBOLIC_NAME = "Bundle-SymbolicName";
  private final OSGiModuleImpl osgiModule;
  private final HK2Loader loader;

  OsgiPopulatorPostProcessor(OSGiModuleImpl paramOsgiModule) {
    this.osgiModule = paramOsgiModule;
   
    loader = new HK2Loader() {

            @SuppressWarnings({ "unchecked", "rawtypes" })
            @Override
            public Class<?> loadClass(final String className)
                    throws MultiException {
                osgiModule.start();
                return (Class<?>) AccessController.doPrivileged(new PrivilegedAction() {
                    public java.lang.Object run() {
                        try {
                            return osgiModule.getBundle().loadClass(className);
                        } catch (Throwable e) {
                            logger.logp(Level.SEVERE, "OSGiModuleImpl",
                                    "loadClass",
                                    "Exception in module " + osgiModule.getBundle().toString(), e);

                            throw new MultiException(e);
                        }
                    }
                });

            }
           
            public String toString() {
                return "OsgiPopulatorPostProcessor.HK2Loader(" +
                        osgiModule + "," + System.identityHashCode(this) + ")";
            }
           
        };
  }

  @Override
  public DescriptorImpl process(ServiceLocator serviceLocator, DescriptorImpl descriptorImpl) {
       
    descriptorImpl.setLoader(loader);
   
    descriptorImpl.addMetadata(BUNDLE_SYMBOLIC_NAME,osgiModule.getBundle().getSymbolicName());
    descriptorImpl.addMetadata(BUNDLE_VERSION, osgiModule.getBundle().getVersion().toString());
    return descriptorImpl;
 
}
TOP

Related Classes of org.jvnet.hk2.osgiadapter.OsgiPopulatorPostProcessor

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.