src/test/java/freemarker/test/templatesuite/models/BooleanHash1.java

/*
 * Copyright (c) 2003 The Visigoth Software Society. 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
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 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowledgement:
 *       "This product includes software developed by the
 *        Visigoth Software Society (http://www.visigoths.org/)."
 *    Alternately, this acknowledgement may appear in the software itself,
 *    if and wherever such third-party acknowledgements normally appear.
 *
 * 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the 
 *    project contributors may be used to endorse or promote products derived
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 *    permission, please contact visigoths@visigoths.org.
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 * 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
 *    nor may "FreeMarker" or "Visigoth" appear in their names
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 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * ====================================================================
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 * This software consists of voluntary contributions made by many
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 * information on the Visigoth Software Society, please see
 * http://www.visigoths.org/
 */

package freemarker.test.templatesuite.models;

import freemarker.template.SimpleScalar;
import freemarker.template.TemplateBooleanModel;
import freemarker.template.TemplateHashModel;
import freemarker.template.TemplateModel;

/**
 * Tests the impact that the isEmpty() has on template hash models.
 *
 * @author  <a href="mailto:run2000@users.sourceforge.net">Nicholas Cull</a>
 */
public class BooleanHash1 implements TemplateHashModel {

    /**
     * Gets a <tt>TemplateModel</tt> from the hash.
     *
     * @param key the name by which the <tt>TemplateModel</tt>
     * is identified in the template.
     * @return the <tt>TemplateModel</tt> referred to by the key,
     * or null if not found.
     */
    public TemplateModel get(String key) {
        if( key.equals( "temp" )) {
            return new SimpleScalar( "Hello, world." );
        } else if( key.equals( "boolean" )) {
            return TemplateBooleanModel.FALSE;
        } else {
            return new SimpleScalar( "Just another key..." );
        }
    }

    /**
     * @return true if this object is empty.
     */
    public boolean isEmpty() {
        return true;
    }
}