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mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/utils/CloneUtils.java@fc2d59ddac77 (annotated)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/utils/CloneUtils.java

Wed, 31 Dec 2014 07:22:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 07:22:50 +0100

branch

TOR_BUG_3246

changeset 4

fc2d59ddac77

permissions

-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0	1	/*
michael@0	2	* $HeadURL$
michael@0	3	* $Revision$
michael@0	4	* $Date$
michael@0	5	*
michael@0	6	* ====================================================================
michael@0	7	*
michael@0	8	* Licensed to the Apache Software Foundation (ASF) under one or more
michael@0	9	* contributor license agreements. See the NOTICE file distributed with
michael@0	10	* this work for additional information regarding copyright ownership.
michael@0	11	* The ASF licenses this file to You under the Apache License, Version 2.0
michael@0	12	* (the "License"); you may not use this file except in compliance with
michael@0	13	* the License. You may obtain a copy of the License at
michael@0	14	*
michael@0	15	* http://www.apache.org/licenses/LICENSE-2.0
michael@0	16	*
michael@0	17	* Unless required by applicable law or agreed to in writing, software
michael@0	18	* distributed under the License is distributed on an "AS IS" BASIS,
michael@0	19	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0	20	* See the License for the specific language governing permissions and
michael@0	21	* limitations under the License.
michael@0	22	* ====================================================================
michael@0	23	*
michael@0	24	* This software consists of voluntary contributions made by many
michael@0	25	* individuals on behalf of the Apache Software Foundation. For more
michael@0	26	* information on the Apache Software Foundation, please see
michael@0	27	* <http://www.apache.org/>.
michael@0	28	*
michael@0	29	*/
michael@0	30	package ch.boye.httpclientandroidlib.client.utils;
michael@0	31
michael@0	32	import java.lang.reflect.InvocationTargetException;
michael@0	33	import java.lang.reflect.Method;
michael@0	34
michael@0	35	import ch.boye.httpclientandroidlib.annotation.Immutable;
michael@0	36
michael@0	37	/**
michael@0	38	* A collection of utilities to workaround limitations of Java clone framework.
michael@0	39	*
michael@0	40	* @since 4.0
michael@0	41	*/
michael@0	42	@Immutable
michael@0	43	public class CloneUtils {
michael@0	44
michael@0	45	public static Object clone(final Object obj) throws CloneNotSupportedException {
michael@0	46	if (obj == null) {
michael@0	47	return null;
michael@0	48	}
michael@0	49	if (obj instanceof Cloneable) {
michael@0	50	Class<?> clazz = obj.getClass ();
michael@0	51	Method m;
michael@0	52	try {
michael@0	53	m = clazz.getMethod("clone", (Class[]) null);
michael@0	54	} catch (NoSuchMethodException ex) {
michael@0	55	throw new NoSuchMethodError(ex.getMessage());
michael@0	56	}
michael@0	57	try {
michael@0	58	return m.invoke(obj, (Object []) null);
michael@0	59	} catch (InvocationTargetException ex) {
michael@0	60	Throwable cause = ex.getCause();
michael@0	61	if (cause instanceof CloneNotSupportedException) {
michael@0	62	throw ((CloneNotSupportedException) cause);
michael@0	63	} else {
michael@0	64	throw new Error("Unexpected exception", cause);
michael@0	65	}
michael@0	66	} catch (IllegalAccessException ex) {
michael@0	67	throw new IllegalAccessError(ex.getMessage());
michael@0	68	}
michael@0	69	} else {
michael@0	70	throw new CloneNotSupportedException();
michael@0	71	}
michael@0	72	}
michael@0	73
michael@0	74	/**
michael@0	75	* This class should not be instantiated.
michael@0	76	*/
michael@0	77	private CloneUtils() {
michael@0	78	}
michael@0	79
michael@0	80	}