aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
aoqi@0: 
aoqi@0: import javax.xml.bind.annotation.DomHandler;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.WildcardMode;
aoqi@0: 
aoqi@0: import org.xml.sax.SAXException;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Feed incoming events to {@link DomHandler} and builds a DOM tree.
aoqi@0:  *
aoqi@0:  * <p>
aoqi@0:  * Note that the SAXException returned by the ContentHandler is
aoqi@0:  * unreported. So we have to catch them and report it, then rethrow
aoqi@0:  * it if necessary.
aoqi@0:  *
aoqi@0:  * @author
aoqi@0:  *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
aoqi@0:  */
aoqi@0: public final class WildcardLoader extends ProxyLoader {
aoqi@0: 
aoqi@0:     private final DomLoader dom;
aoqi@0: 
aoqi@0:     private final WildcardMode mode;
aoqi@0: 
aoqi@0:     public WildcardLoader(DomHandler dom, WildcardMode mode) {
aoqi@0:         this.dom = new DomLoader(dom);
aoqi@0:         this.mode = mode;
aoqi@0:     }
aoqi@0: 
aoqi@0:     protected Loader selectLoader(UnmarshallingContext.State state, TagName tag) throws SAXException {
aoqi@0:         UnmarshallingContext context = state.getContext();
aoqi@0: 
aoqi@0:         if(mode.allowTypedObject) {
aoqi@0:             Loader l = context.selectRootLoader(state,tag);
aoqi@0:             if(l!=null)
aoqi@0:                 return l;
aoqi@0:         }
aoqi@0:         if(mode.allowDom)
aoqi@0:             return dom;
aoqi@0: 
aoqi@0:         // simply discard.
aoqi@0:         return Discarder.INSTANCE;
aoqi@0:     }
aoqi@0: 
aoqi@0: }