The Tor Browser / file comparison
comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/utils/CloneUtils.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/utils/CloneUtils.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:ed063b4c27d4 |
|---|---|
| 1 /* | |
| 2 * $HeadURL$ | |
| 3 * $Revision$ | |
| 4 * $Date$ | |
| 5 * | |
| 6 * ==================================================================== | |
| 7 * | |
| 8 * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 9 * contributor license agreements. See the NOTICE file distributed with | |
| 10 * this work for additional information regarding copyright ownership. | |
| 11 * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 12 * (the "License"); you may not use this file except in compliance with | |
| 13 * the License. You may obtain a copy of the License at | |
| 14 * | |
| 15 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 16 * | |
| 17 * Unless required by applicable law or agreed to in writing, software | |
| 18 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 20 * See the License for the specific language governing permissions and | |
| 21 * limitations under the License. | |
| 22 * ==================================================================== | |
| 23 * | |
| 24 * This software consists of voluntary contributions made by many | |
| 25 * individuals on behalf of the Apache Software Foundation. For more | |
| 26 * information on the Apache Software Foundation, please see | |
| 27 * <http://www.apache.org/>. | |
| 28 * | |
| 29 */ | |
| 30 package ch.boye.httpclientandroidlib.client.utils; | |
| 31 | |
| 32 import java.lang.reflect.InvocationTargetException; | |
| 33 import java.lang.reflect.Method; | |
| 34 | |
| 35 import ch.boye.httpclientandroidlib.annotation.Immutable; | |
| 36 | |
| 37 /** | |
| 38 * A collection of utilities to workaround limitations of Java clone framework. | |
| 39 * | |
| 40 * @since 4.0 | |
| 41 */ | |
| 42 @Immutable | |
| 43 public class CloneUtils { | |
| 44 | |
| 45 public static Object clone(final Object obj) throws CloneNotSupportedException { | |
| 46 if (obj == null) { | |
| 47 return null; | |
| 48 } | |
| 49 if (obj instanceof Cloneable) { | |
| 50 Class<?> clazz = obj.getClass (); | |
| 51 Method m; | |
| 52 try { | |
| 53 m = clazz.getMethod("clone", (Class[]) null); | |
| 54 } catch (NoSuchMethodException ex) { | |
| 55 throw new NoSuchMethodError(ex.getMessage()); | |
| 56 } | |
| 57 try { | |
| 58 return m.invoke(obj, (Object []) null); | |
| 59 } catch (InvocationTargetException ex) { | |
| 60 Throwable cause = ex.getCause(); | |
| 61 if (cause instanceof CloneNotSupportedException) { | |
| 62 throw ((CloneNotSupportedException) cause); | |
| 63 } else { | |
| 64 throw new Error("Unexpected exception", cause); | |
| 65 } | |
| 66 } catch (IllegalAccessException ex) { | |
| 67 throw new IllegalAccessError(ex.getMessage()); | |
| 68 } | |
| 69 } else { | |
| 70 throw new CloneNotSupportedException(); | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 /** | |
| 75 * This class should not be instantiated. | |
| 76 */ | |
| 77 private CloneUtils() { | |
| 78 } | |
| 79 | |
| 80 } |
