/*
* Copyright 2002-2006 the original author or authors.
*
* Licensed 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.springframework.web.servlet.view.freemarker;
import java.io.IOException;
import java.util.HashMap;
import java.util.Properties;
import freemarker.cache.ClassTemplateLoader;
import freemarker.cache.MultiTemplateLoader;
import freemarker.cache.TemplateLoader;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import junit.framework.TestCase;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.ui.freemarker.FreeMarkerConfigurationFactoryBean;
import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;
import org.springframework.ui.freemarker.SpringTemplateLoader;
/**
* @author Juergen Hoeller
* @since 14.03.2004
*/
public class FreeMarkerConfigurerTests extends TestCase {
public void testTemplateLoaders() throws Exception {
FreeMarkerConfigurer fc = new FreeMarkerConfigurer();
fc.setTemplateLoaders(new TemplateLoader[] {});
fc.afterPropertiesSet();
assertTrue(fc.getConfiguration().getTemplateLoader() instanceof ClassTemplateLoader);
fc = new FreeMarkerConfigurer();
fc.setTemplateLoaders(new TemplateLoader[] {new ClassTemplateLoader()});
fc.afterPropertiesSet();
assertTrue(fc.getConfiguration().getTemplateLoader() instanceof MultiTemplateLoader);
}
public void testFreemarkerConfigurationFactoryBeanWithConfigLocation() throws TemplateException {
FreeMarkerConfigurationFactoryBean fcfb = new FreeMarkerConfigurationFactoryBean();
fcfb.setConfigLocation(new FileSystemResource("myprops.properties"));
Properties props = new Properties();
props.setProperty("myprop", "/mydir");
fcfb.setFreemarkerSettings(props);
try {
fcfb.afterPropertiesSet();
fail("Should have thrown IOException");
}
catch (IOException ex) {
// expected
}
}
public void testFreeMarkerConfigurationFactoryBeanWithResourceLoaderPath() throws Exception {
FreeMarkerConfigurationFactoryBean fcfb = new FreeMarkerConfigurationFactoryBean();
fcfb.setTemplateLoaderPath("file:/mydir");
fcfb.afterPropertiesSet();
Configuration cfg = (Configuration) fcfb.getObject();
assertTrue(cfg.getTemplateLoader() instanceof SpringTemplateLoader);
}
public void testFreemarkerConfigurationFactoryBeanWithNonFileResourceLoaderPath()
throws IOException, TemplateException {
FreeMarkerConfigurationFactoryBean fcfb = new FreeMarkerConfigurationFactoryBean();
fcfb.setTemplateLoaderPath("file:/mydir");
Properties settings = new Properties();
settings.setProperty("localized_lookup", "false");
fcfb.setFreemarkerSettings(settings);
fcfb.setResourceLoader(new ResourceLoader() {
public Resource getResource(String location) {
if (!("file:/mydir".equals(location) || "file:/mydir/test".equals(location))) {
throw new IllegalArgumentException(location);
}
return new ByteArrayResource("test".getBytes(), "test");
}
public ClassLoader getClassLoader() {
return getClass().getClassLoader();
}
});
fcfb.afterPropertiesSet();
assertTrue(fcfb.getObject() instanceof Configuration);
Configuration fc = (Configuration) fcfb.getObject();
Template ft = fc.getTemplate("test");
assertEquals("test", FreeMarkerTemplateUtils.processTemplateIntoString(ft, new HashMap()));
}
}