Mercurial > hg > release > icedtea7-forest-2.1 > jaxws
view sources/jaxws_src/src/com/sun/xml/internal/bind/v2/util/TypeCast.java @ 284:4f4a2cd249d8
6962317: jdk7 jaxws source bundle still needs rebranding
6955300: Missing files in the jaf source bundle
author | andrew |
---|---|
date | Fri, 23 Sep 2011 17:43:06 +0100 |
parents | 78c175236707 |
children | dc83adaaef79 |
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/* * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.xml.internal.bind.v2.util; import java.util.Map; /** * @author Kohsuke Kawaguchi */ public class TypeCast { /** * Makes sure that a map contains the right type, and returns it to the desirable type. */ public static <K,V> Map<K,V> checkedCast( Map<?,?> m, Class<K> keyType, Class<V> valueType ) { if(m==null) return null; for (Map.Entry e : m.entrySet()) { if(!keyType.isInstance(e.getKey())) throw new ClassCastException(e.getKey().getClass().toString()); if(!valueType.isInstance(e.getValue())) throw new ClassCastException(e.getValue().getClass().toString()); } return (Map<K,V>)m; } }