org.castor.mapping.AbstractMappingLoaderFactory Maven / Gradle / Ivy
/*
* Copyright 2005 Werner Guttmann
*
* 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.castor.mapping;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.mapping.MappingLoader;
/**
* Abstract base class for MappingLoaderFactory instances
*
* @author me
*
*/
public abstract class AbstractMappingLoaderFactory implements MappingLoaderFactory {
/**
* The Jakarta Commons Logging instance
* used for all logging.
*/
public static final Log LOG = LogFactory.getLog(AbstractMappingLoaderFactory.class);
/**
* Source type definition
*/
private static final String SOURCE_TYPE = "CastorXmlMapping";
/**
* @inheritDoc
* @see org.castor.mapping.MappingLoaderFactory#getSourceType()
*/
public final String getSourceType() {
return SOURCE_TYPE;
}
/**
* To obtain the class name of the MappingLoader to instantiate
*
* @return The class name of the MappingLoader to instantiate
*/
public abstract String getClassname();
/**
* @inheritDoc
* @see org.castor.mapping.MappingLoaderFactory#getMappingLoader()
*/
public final MappingLoader getMappingLoader() throws MappingException {
MappingLoader mappingLoader = null;
try {
ClassLoader loader = getClass().getClassLoader();
Class cls = loader.loadClass(getClassname());
Class[] types = new Class[] {ClassLoader.class};
Object[] args = new Object[] {loader};
mappingLoader = (MappingLoader) cls.getConstructor(types).newInstance(args);
} catch (Exception ex) {
LOG.error("Problem instantiating mapping loader factory implementation: " + getClassname(),
ex);
}
return mappingLoader;
}
}