/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.oodt.cas.pushpull.objectfactory;
//OODT imports
import org.apache.oodt.cas.filemgr.ingest.Cache;
import org.apache.oodt.cas.filemgr.ingest.CacheFactory;
import org.apache.oodt.cas.filemgr.ingest.Ingester;
//JDK imports
import java.lang.reflect.InvocationTargetException;
/**
*
* @author bfoster
* @version $Revision$
*
* <p>
* Describe your class here
* </p>.
*/
public class PushPullObjectFactory {
private PushPullObjectFactory() throws InstantiationException {
throw new InstantiationException("Don't construct factory classes!");
}
public static <T> T createNewInstance(Class<T> clazz) throws InstantiationException {
try {
return clazz.newInstance();
} catch (Exception e) {
throw new InstantiationException(
"Failed to create new object : "
+ e.getMessage());
}
}
public static Ingester createIngester(String ingesterClass,
String cacheFactoryClass) throws InstantiationException,
IllegalAccessException, ClassNotFoundException,
IllegalArgumentException, SecurityException,
InvocationTargetException, NoSuchMethodException {
String dataTransferFactory = System
.getProperty("org.apache.oodt.cas.filemgr.datatransfer.factory");
System.out.println("TRANSFER: " + dataTransferFactory);
if (cacheFactoryClass == null || cacheFactoryClass.equals("")) {
return (Ingester) Class.forName(ingesterClass).getConstructor(
dataTransferFactory.getClass()).newInstance(
dataTransferFactory);
} else {
Class<CacheFactory> cacheFactory = (Class<CacheFactory>) Class
.forName(cacheFactoryClass);
Cache cache = cacheFactory.newInstance().createCache();
return (Ingester) Class.forName(ingesterClass).getConstructor(
dataTransferFactory.getClass(), cache.getClass())
.newInstance(dataTransferFactory, cache);
}
}
}