/*
* Copyright 2002-2007 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.springmodules.template.engine.groovy;
import java.io.IOException;
import java.io.InputStreamReader;
import groovy.text.SimpleTemplateEngine;
import groovy.text.TemplateEngine;
import org.springframework.core.io.Resource;
import org.springmodules.template.Template;
import org.springmodules.template.TemplateCreationException;
import org.springmodules.template.engine.AbstractTemplateEngine;
/**
* A {@link TemplateEngine template engine} that creates {@link GroovyTemplate}'s.
*
* @author Uri Boness
*/
public class GroovyTemplateEngine extends AbstractTemplateEngine {
private TemplateEngine templateEngine;
/**
* Constructs a new GroovyTemplateEngine.
*/
public GroovyTemplateEngine() {
templateEngine = new SimpleTemplateEngine();
}
/**
* Creates and returns a new {@link GroovyTemplate groovy template}.
*
* @param resource The groovy template (script) resource.
* @param encoding The encoding of the template.
* @return The newly created groovy template.
*/
public Template createTemplate(Resource resource, String encoding) {
groovy.text.Template template = null;
try {
template = templateEngine.createTemplate(new InputStreamReader(resource.getInputStream()));
} catch (ClassNotFoundException cnfe) {
throw new TemplateCreationException("Could not create groovy template from resource '" +
resource.getDescription() + "'", cnfe);
} catch (IOException ioe) {
throw new TemplateCreationException("Could not create groovy template from resource '" +
resource.getDescription() + "'", ioe);
}
return new GroovyTemplate(template);
}
}