org.fabric3.jaxb.runtime.impl.JAXB2XmlTransformer Maven / Gradle / Ivy

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/*
 * Fabric3
 * Copyright ? 2008 Metaform Systems Limited
 *
 * This proprietary software may be used only connection with the Fabric3 license
 * (the ?License?), a copy of which is included in the software or may be
 * obtained at: http://www.metaformsystems.com/licenses/license.html.

 * Software distributed under the License is distributed on an ?as is? basis,
 * without warranties or conditions of any kind.  See the License for the
 * specific language governing permissions and limitations of use of the software.
 * This software is distributed in conjunction with other software licensed under
 * different terms.  See the separate licenses for those programs included in the
 * distribution for the permitted and restricted uses of such software.
 *
 */
package org.fabric3.jaxb.runtime.impl;

import java.io.StringWriter;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;

import org.fabric3.model.type.service.DataType;
import org.fabric3.spi.model.type.JavaClass;
import org.fabric3.spi.transform.TransformationException;
import org.fabric3.transform.AbstractPullTransformer;
import org.fabric3.spi.transform.TransformContext;

/**
 * Transforms a JAXB object to an XML string representation.
 *
 * @version $Revision$ $Date$
 */
public class JAXB2XmlTransformer extends AbstractPullTransformer {
    private static final JavaClass TARGET = new JavaClass(String.class);

    private final JAXBContext jaxbContext;

    public JAXB2XmlTransformer(JAXBContext jaxbContext) {
        this.jaxbContext = jaxbContext;
    }

    public String transform(Object source, TransformContext context) throws TransformationException {
        try {
            Marshaller marshaller = jaxbContext.createMarshaller();
            StringWriter writer = new StringWriter();
            marshaller.marshal(source, writer);
            return writer.toString();
        } catch (JAXBException e) {
            throw new TransformationException(e);
        }

    }

    public DataType getTargetType() {
        return TARGET;
    }
}