diff -r 000000000000 -r 6474c204b198 mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/utils/CloneUtils.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/utils/CloneUtils.java Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,80 @@ +/* + * $HeadURL$ + * $Revision$ + * $Date$ + * + * ==================================================================== + * + * 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 ch.boye.httpclientandroidlib.client.utils; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import ch.boye.httpclientandroidlib.annotation.Immutable; + +/** + * A collection of utilities to workaround limitations of Java clone framework. + * + * @since 4.0 + */ +@Immutable +public class CloneUtils { + + public static Object clone(final Object obj) throws CloneNotSupportedException { + if (obj == null) { + return null; + } + if (obj instanceof Cloneable) { + Class clazz = obj.getClass (); + Method m; + try { + m = clazz.getMethod("clone", (Class[]) null); + } catch (NoSuchMethodException ex) { + throw new NoSuchMethodError(ex.getMessage()); + } + try { + return m.invoke(obj, (Object []) null); + } catch (InvocationTargetException ex) { + Throwable cause = ex.getCause(); + if (cause instanceof CloneNotSupportedException) { + throw ((CloneNotSupportedException) cause); + } else { + throw new Error("Unexpected exception", cause); + } + } catch (IllegalAccessException ex) { + throw new IllegalAccessError(ex.getMessage()); + } + } else { + throw new CloneNotSupportedException(); + } + } + + /** + * This class should not be instantiated. + */ + private CloneUtils() { + } + +}