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

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 * 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.bind.annotation.XmlSchemaType;

import javax.xml.namespace.QName;

import javax.xml.stream.XMLStreamException;

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

import org.xml.sax.SAXException;

/**

 * {@link Transducer} that signals the runtime that this datatype

 * is marshalled to a different XML Schema type.

 *

 * <p>

 * This transducer is used to implement the semantics of {@link XmlSchemaType} annotation.

 *

 *

 * @see XMLSerializer#schemaType

 * @author Kohsuke Kawaguchi

 */

public class SchemaTypeTransducer<V> extends FilterTransducer<V> {

    private final QName schemaType;

    public SchemaTypeTransducer(Transducer<V> core, QName schemaType) {

        super(core);

        this.schemaType = schemaType;

    }

    @Override

    public CharSequence print(V o) throws AccessorException {

        XMLSerializer w = XMLSerializer.getInstance();

        QName old = w.setSchemaType(schemaType);

        try {

            return core.print(o);

        } finally {

            w.setSchemaType(old);

        }

    }

    @Override

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

        QName old = w.setSchemaType(schemaType);

        try {

            core.writeText(w,o,fieldName);

        } finally {

            w.setSchemaType(old);

        }

    }

    @Override

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

        QName old = w.setSchemaType(schemaType);

        try {

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

        } finally {

            w.setSchemaType(old);

        }

    }

}