0N/A/*
0N/A * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
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0N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
0N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A */
0N/A
0N/Apackage com.sun.xml.internal.bind.v2.util;
0N/A
0N/Aimport java.util.Map;
0N/A
0N/A/**
0N/A * @author Kohsuke Kawaguchi
0N/A */
0N/Apublic class TypeCast {
0N/A /**
0N/A * Makes sure that a map contains the right type, and returns it to the desirable type.
0N/A */
0N/A public static <K,V> Map<K,V> checkedCast( Map<?,?> m, Class<K> keyType, Class<V> valueType ) {
0N/A if(m==null)
0N/A return null;
0N/A for (Map.Entry e : m.entrySet()) {
0N/A if(!keyType.isInstance(e.getKey()))
0N/A throw new ClassCastException(e.getKey().getClass().toString());
0N/A if(!valueType.isInstance(e.getValue()))
0N/A throw new ClassCastException(e.getValue().getClass().toString());
0N/A }
0N/A return (Map<K,V>)m;
0N/A }
0N/A}
0N/A