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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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

import java.io.IOException;

import javax.xml.namespace.QName;

import javax.xml.stream.XMLStreamException;

import com.sun.istack.internal.NotNull;

import com.sun.xml.internal.bind.api.AccessorException;

import org.xml.sax.SAXException;

/**

 * {@link Transducer} that delegates to another {@link Transducer}.

 *

 * @author Kohsuke Kawaguchi

 */

public abstract class FilterTransducer<T> implements Transducer<T> {

    protected final Transducer<T> core;

    protected FilterTransducer(Transducer<T> core) {

        this.core = core;

    }

    public final boolean isDefault() {

        // this must be used as a decorating transducer,

        // so it may never be default.

        return false;

    }

    public boolean useNamespace() {

        return core.useNamespace();

    }

    public void declareNamespace(T o, XMLSerializer w) throws AccessorException {

        core.declareNamespace(o, w);

    }

    public @NotNull CharSequence print(@NotNull T o) throws AccessorException {

        return core.print(o);

    }

    public T parse(CharSequence lexical) throws AccessorException, SAXException {

        return core.parse(lexical);

    }

    public void writeText(XMLSerializer w, T o, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException {

        core.writeText(w, o, fieldName);

    }

    public void writeLeafElement(XMLSerializer w, Name tagName, T o, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException {

        core.writeLeafElement(w,tagName,o,fieldName);

    }

    public QName getTypeName(T instance) {

        return null;

    }

}