1 /* 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller; 27 28 import javax.xml.bind.annotation.DomHandler; 29 30 import com.sun.xml.internal.bind.v2.model.core.WildcardMode; 31 32 import org.xml.sax.SAXException; 33 34 /** 35 * Feed incoming events to {@link DomHandler} and builds a DOM tree. 36 * 37 * <p> 38 * Note that the SAXException returned by the ContentHandler is 39 * unreported. So we have to catch them and report it, then rethrow 40 * it if necessary. 41 * 42 * @author 43 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) 44 */ 45 public final class WildcardLoader extends ProxyLoader { 46 47 private final DomLoader dom; 48 49 private final WildcardMode mode; 50 WildcardLoader(DomHandler dom, WildcardMode mode)51 public WildcardLoader(DomHandler dom, WildcardMode mode) { 52 this.dom = new DomLoader(dom); 53 this.mode = mode; 54 } 55 selectLoader(UnmarshallingContext.State state, TagName tag)56 protected Loader selectLoader(UnmarshallingContext.State state, TagName tag) throws SAXException { 57 UnmarshallingContext context = state.getContext(); 58 59 if(mode.allowTypedObject) { 60 Loader l = context.selectRootLoader(state,tag); 61 if(l!=null) 62 return l; 63 } 64 if(mode.allowDom) 65 return dom; 66 67 // simply discard. 68 return Discarder.INSTANCE; 69 } 70 71 } 72