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/**
 *
 * Copyright(c) IronOre Server and it's author(s).
 *
 * Licensed under LGPL License version 3.0 or later.
 * Contains traces of code released under Apache License
 *
 * You can get a copy of Apache License at :-
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * and LGPL License at :-
 *     http://www.gnu.org/licenses/lgpl.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.apache;

import java.lang.reflect.InvocationTargetException;

import javax.naming.NamingException;

import org.apache.jasper.runtime.InstanceManagerFactory;
import com.ironore.common.log.Logger;

import static com.ironore.common.log.LoggerFactory.*;
import static java.lang.String.format;

/**
 * An implementation of {@link InstanceManager} to instantiates tags when Jasper
 * requires them. Servlet that Jasper generate will contains reference to 
 * {@link InstanceManager} created through {@link InstanceManagerFactory}.
 * 
 * @see {@link InstanceManager}
 * @see {@link InstanceManagerFactory}
 * 
 * @author tmjee
 */
public class InstanceManagerImpl implements InstanceManager {

	private static final Logger LOG = getLog(InstanceManagerImpl.class);

	@Override
	public Object newInstance(String className) throws IllegalAccessException,
			InvocationTargetException, NamingException, InstantiationException,
			ClassNotFoundException {
		LOG.info(format("new Instance [%s]", className));
		return Class.forName(className).newInstance();
	}

	@Override
	public Object newInstance(String fqcn, ClassLoader classLoader)
			throws IllegalAccessException, InvocationTargetException,
			NamingException, InstantiationException, ClassNotFoundException {
		LOG.info(format("new instance [%s] [%s]", fqcn, classLoader));
		return Class.forName(fqcn, true, classLoader).newInstance();
	}

	@Override
	public void newInstance(Object o) throws IllegalAccessException,
			InvocationTargetException, NamingException {
		LOG.info(format("new instance [%s] [%s]", o.getClass(), o));
	}

	@Override
	public void destroyInstance(Object o) throws IllegalAccessException,
			InvocationTargetException {
		LOG.info(format("Destroy instance [%s] [%s]", o.getClass(), o));
	}
}