All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.sun.xml.bind.v2.runtime.unmarshaller.ProxyLoader Maven / Gradle / Ivy

There is a newer version: 4.0.5
Show newest version
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.xml.bind.v2.runtime.unmarshaller;

import org.xml.sax.SAXException;

/**
 * {@link Loader} that delegates the processing to another {@link Loader}
 * at {@link #startElement(UnmarshallingContext.State, TagName)}.
 *
 * @author Kohsuke Kawaguchi
 */
public abstract class ProxyLoader extends Loader {
    public ProxyLoader() {
        super(false);
    }

    @Override
    public final void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
        Loader loader = selectLoader(state,ea);
        state.loader = loader;
        loader.startElement(state,ea);
    }

    /**
     * Picks the loader to delegate to.
     *
     * @return never null.
     */
    protected abstract Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException;

    @Override
    public final void leaveElement(UnmarshallingContext.State state, TagName ea) {
        // this loader is used just to forward to another loader,
        // so we should never get this event.
        throw new IllegalStateException();
    }
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy