com.sun.enterprise.v3.admin.ObjectInputStreamWithServiceLocator Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
There is a newer version: 7.2024.1.Alpha1
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006-2013 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 com.sun.enterprise.v3.admin;

import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.Descriptor;
import org.glassfish.hk2.api.Filter;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;

import java.io.*;
import java.lang.reflect.Array;
import java.util.List;
import org.glassfish.hk2.api.MultiException;

/**
 * This subclass of ObjectInputStream uses HK2 to lookup classes not resolved by
 * default ClassLoader.
 * 
 * @author Andriy Zhdanov
 */

@Service
public class ObjectInputStreamWithServiceLocator extends ObjectInputStream {

    private final ServiceLocator serviceLocator;

    /**
     * Loader must be non-null;
     *
     * @throws IOException              on io error
     * @throws StreamCorruptedException on a corrupted stream
     */

    public ObjectInputStreamWithServiceLocator(InputStream in, ServiceLocator serviceLocator)
            throws IOException, StreamCorruptedException {

        super(in);
        if (serviceLocator == null) {
            throw new IllegalArgumentException("Illegal null argument to ObjectInputStreamWithLoader");
        }
        this.serviceLocator = serviceLocator;
    }

    /**
     * Use the given ClassLoader rather than using the system class
     *
     * @throws ClassNotFoundException if class can not be loaded
     */
    @Override
    protected Class resolveClass(ObjectStreamClass classDesc)
            throws IOException, ClassNotFoundException {
        try {
            // Try superclass first
            return super.resolveClass(classDesc);
        } catch (ClassNotFoundException e) {
            String cname = classDesc.getName();
            if (cname.startsWith("[")) {
                // An array
                Class component;    // component class
                int dcount;            // dimension
                for (dcount = 1; cname.charAt(dcount) == '['; dcount++) ;
                if (cname.charAt(dcount) == 'L') {
                    component = loadClass(cname.substring(dcount + 1,
                            cname.length() - 1));
                } else {
                    throw new ClassNotFoundException(cname);// malformed
                }
                int dim[] = new int[dcount];
                for (int i = 0; i < dcount; i++) {
                    dim[i] = 0;
                }
                return Array.newInstance(component, dim).getClass();
            } else {
                return loadClass(cname);
            }
        }
    }

    private Class loadClass(final String cname) throws ClassNotFoundException {
        List> descriptors;
        // non-services are not known by HK2
        if ("com.oracle.cloudlogic.accountmanager.cli.AccountAwareJobImpl".equals(cname)) {
            descriptors = getDescriptors("com.oracle.cloudlogic.accountmanager.cli.AccountAwareJobCreator");
        } else {
            descriptors = getDescriptors(cname);
        }
        if (descriptors.size() > 0) {
            try {
                return descriptors.get(0).getLoader().loadClass(cname);
            } catch (MultiException ex) {
                throw ex;
            }
        } else {
            throw new ClassNotFoundException(cname);
        }
    }

    private  List> getDescriptors(final String cname) throws ClassNotFoundException {
        return serviceLocator.getDescriptors(new Filter() {
            @Override
            public boolean matches(Descriptor d) {
                return d.getImplementation().equals(cname);
            }
        });
    }
}