/*
* Copyright 2012 PRODYNA AG
*
* Licensed under the Eclipse Public License (EPL), Version 1.0 (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.opensource.org/licenses/eclipse-1.0.php or
* http://www.nabucco.org/License.html
*
* 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.nabucco.framework.generator.compiler.transformation.engine;
import org.nabucco.framework.generator.compiler.NabuccoCompilerOptions;
import org.nabucco.framework.generator.compiler.NabuccoCompilerOptionType;
import org.nabucco.framework.generator.compiler.transformation.NabuccoTransformationException;
import org.nabucco.framework.mda.logger.MdaLogger;
import org.nabucco.framework.mda.logger.MdaLoggingFactory;
/**
* NabuccoTransformationEngineFactory
*
* @author Nicolas Moser, PRODYNA AG
*/
public class NabuccoTransformationEngineFactory {
private static MdaLogger logger = MdaLoggingFactory.getInstance().getLogger(
NabuccoTransformationEngineFactory.class);
/**
* Singleton instance.
*/
private static NabuccoTransformationEngineFactory instance = new NabuccoTransformationEngineFactory();
/**
* Private constructor.
*/
private NabuccoTransformationEngineFactory() {
}
/**
* Singleton access.
*
* @return the NabuccoTransformationEngineFactory instance.
*/
public static NabuccoTransformationEngineFactory getInstance() {
return instance;
}
/**
* Retrieves the appropriate {@link NabuccoTransformationEngine} for generation.
*
* @param rootDir
* the project root directory
* @param options
* the compiler options
*
* @return the specified engine type.
*
* @throws NabuccoTransformationException
*/
public NabuccoTransformationEngine retrieveEngine(String rootDir, NabuccoCompilerOptions options)
throws NabuccoTransformationException {
String engineType = options.getOption(NabuccoCompilerOptionType.ENGINE);
logger.debug("Configured Transformation Engine: " + engineType);
if (engineType.equals(NabuccoCompilerOptionType.ENGINE.getDefaultValue())) {
return new DefaultTransformationEngine(rootDir, options);
}
logger.warning("Engine type is not specified. Using NABUCCO engine.");
return new DefaultTransformationEngine(rootDir, options);
}
/**
* Retrieves the default {@link NabuccoTransformationEngine} for generation.
*
* @param rootDir
* the project root directory
* @param options
* the compiler options
*
* @return the default transformation engine
*
* @throws NabuccoTransformationException
*/
public NabuccoTransformationEngine retrieveDefaultEngine(String rootDir, NabuccoCompilerOptions options)
throws NabuccoTransformationException {
return new DefaultTransformationEngine(rootDir, options);
}
}