/*
 * $Id$
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.struts2.rest.handler;

import com.thoughtworks.xstream.XStream;

import java.io.IOException;
import java.io.Reader;
import java.io.Writer;

/**
 * Handles XML content
 */
public class XStreamHandler implements ContentTypeHandler {

    public String fromObject(Object obj, String resultCode, Writer out) throws IOException {
        if (obj != null) {
            XStream xstream = createXStream();
            xstream.toXML(obj, out);
        }
        return null;
    }

    public void toObject(Reader in, Object target) {
        XStream xstream = createXStream();
        xstream.fromXML(in, target);
    }
    
    protected XStream createXStream() {
        return new XStream();
    }

    public String getContentType() {
        return "application/xml";
    }

    public String getExtension() {
        return "xml";
    }
}