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 java.util.HashMap;
aoqi@0: import java.util.concurrent.Callable;
aoqi@0: 
aoqi@0: import javax.xml.bind.ValidationEventHandler;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.bind.IDResolver;
aoqi@0: 
aoqi@0: import org.xml.sax.SAXException;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Default implementation of {@link IDResolver}.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: final class DefaultIDResolver extends IDResolver {
aoqi@0:     /** Records ID->Object map. */
aoqi@0:     private HashMap<String,Object> idmap = null;
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void startDocument(ValidationEventHandler eventHandler) throws SAXException {
aoqi@0:         if(idmap!=null)
aoqi@0:             idmap.clear();
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void bind(String id, Object obj) {
aoqi@0:         if(idmap==null)     idmap = new HashMap<String,Object>();
aoqi@0:         idmap.put(id,obj);
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public Callable resolve(final String id, Class targetType) {
aoqi@0:         return new Callable() {
aoqi@0:             public Object call() throws Exception {
aoqi@0:                 if(idmap==null)     return null;
aoqi@0:                 return idmap.get(id);
aoqi@0:             }
aoqi@0:         };
aoqi@0:     }
aoqi@0: }