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/*
 * Fabric3
 * Copyright (c) 2009-2011 Metaform Systems
 *
 * Fabric3 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version, with the
 * following exception:
 *
 * Linking this software statically or dynamically with other
 * modules is making a combined work based on this software.
 * Thus, the terms and conditions of the GNU General Public
 * License cover the whole combination.
 *
 * As a special exception, the copyright holders of this software
 * give you permission to link this software with independent
 * modules to produce an executable, regardless of the license
 * terms of these independent modules, and to copy and distribute
 * the resulting executable under terms of your choice, provided
 * that you also meet, for each linked independent module, the
 * terms and conditions of the license of that module. An
 * independent module is a module which is not derived from or
 * based on this software. If you modify this software, you may
 * extend this exception to your version of the software, but
 * you are not obligated to do so. If you do not wish to do so,
 * delete this exception statement from your version.
 *
 * Fabric3 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 for more details.
 *
 * You should have received a copy of the
 * GNU General Public License along with Fabric3.
 * If not, see .
*/
package org.fabric3.binding.web.runtime.channel;

import javax.xml.namespace.QName;

import org.oasisopen.sca.ServiceRuntimeException;

import org.fabric3.binding.web.runtime.common.InvalidContentTypeException;
import org.fabric3.model.type.contract.DataType;
import org.fabric3.spi.channel.EventWrapper;
import org.fabric3.spi.model.type.json.JsonType;
import org.fabric3.spi.model.type.xsd.XSDType;

import static org.fabric3.binding.web.runtime.common.ContentTypes.APPLICATION_JSON;
import static org.fabric3.binding.web.runtime.common.ContentTypes.APPLICATION_XHTML_XML;
import static org.fabric3.binding.web.runtime.common.ContentTypes.APPLICATION_XML;
import static org.fabric3.binding.web.runtime.common.ContentTypes.TEXT_PLAIN;
import static org.fabric3.binding.web.runtime.common.ContentTypes.TEXT_XML;

/**
 * @version $Rev: 9763 $ $Date: 2011-01-03 00:48:06 +0000 (Mon, 03 Jan 2011) $
 */
public final class ChannelUtils {
    private static final QName XSD_ANY = new QName(XSDType.XSD_NS, "anyType");
    private static final JsonType JSON = new JsonType(String.class, Object.class);
    private static final XSDType XML = new XSDType(String.class, XSD_ANY);

    public static EventWrapper createWrapper(String contentType, String data) throws InvalidContentTypeException {
        DataType eventType;
        if ((contentType == null)) {
            throw new ServiceRuntimeException("No content type specified: " + contentType);
        } else if (contentType.contains(APPLICATION_XML) || contentType.contains(APPLICATION_XHTML_XML) || contentType.contains(TEXT_XML)) {
            eventType = XML;
        } else if (contentType.contains(APPLICATION_JSON) ||contentType.contains(TEXT_PLAIN) ) {
            eventType = JSON;
        } else {
            throw new InvalidContentTypeException("Unknown content type: " + contentType);
        }
        return new EventWrapper(eventType, data);
    }

}