src/java/org/apache/turbine/services/template/mapper/DirectMapper.java

package org.apache.turbine.services.template.mapper;

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache Turbine" must not be used to endorse or promote products
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import org.apache.commons.lang.StringUtils;

import org.apache.turbine.services.template.TemplateService;

/**
 * The most primitive mapper. It is used for the page objects in the
 * Template service. It never caches and simply returns what is given to it.
 *
 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
 * @version $Id$
 */
public class DirectMapper
    extends BaseMapper
    implements Mapper
{
    /**
     * Default C'tor. If you use this C'tor, you must use
     * the bean setter to set the various properties needed for
     * this mapper before first usage.
     */
    public DirectMapper()
    {
    }

    /**
     * Strip off a possible extension, replace all "," with "."
     *
     * about,directions,Driving.vm --> about.directions.Driving
     *
     * @param template The template name.
     * @return A class name for the given template.
     */
    public String doMapping(String template)
    {
        String [] components
            = StringUtils.split(template, String.valueOf(TemplateService.TEMPLATE_PARTS_SEPARATOR));

        String className = components[components.length - 1];

        // Strip off a possible Extension
        int dotIndex = className.lastIndexOf(TemplateService.EXTENSION_SEPARATOR);
        className = (dotIndex < 0) ? className : className.substring(0, dotIndex);
        components[components.length -1] = className;

        // Class names are always separated by "."
        return StringUtils.join(components, String.valueOf(separator));
    }
}