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This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 */
package org.apache.http.client.utils;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

/**
 * A collection of utilities to workaround limitations of Java clone framework.
 *
 * @since 4.0
 */
public class CloneUtils {

    /**
     * @since 4.3
     */
    public static  T cloneObject(final T obj) throws CloneNotSupportedException {
        if (obj == null) {
            return null;
        }
        if (obj instanceof Cloneable) {
            final Class clazz = obj.getClass ();
            final Method m;
            try {
                m = clazz.getMethod("clone", (Class[]) null);
            } catch (final NoSuchMethodException ex) {
                throw new NoSuchMethodError(ex.getMessage());
            }
            try {
                @SuppressWarnings("unchecked") // OK because clone() preserves the class
                final T result = (T) m.invoke(obj, (Object []) null);
                return result;
            } catch (final InvocationTargetException ex) {
                final Throwable cause = ex.getCause();
                if (cause instanceof CloneNotSupportedException) {
                    throw ((CloneNotSupportedException) cause);
                }
                throw new Error("Unexpected exception", cause);
            } catch (final IllegalAccessException ex) {
                throw new IllegalAccessError(ex.getMessage());
            }
        }
        throw new CloneNotSupportedException();
    }

    public static Object clone(final Object obj) throws CloneNotSupportedException {
        return cloneObject(obj);
    }

    /**
     * This class should not be instantiated.
     */
    private CloneUtils() {
    }

}