/*
    * JBoss, Home of Professional Open Source.
    * Copyright 2013, Red Hat Middleware LLC, and individual contributors
    * as indicated by the @author tags. See the copyright.txt file in the
    * distribution for a full listing of individual contributors.
    *
    * This is free software; you can redistribute it and/or modify it
    * under the terms of the GNU Lesser General Public License as
    * published by the Free Software Foundation; either version 2.1 of
   * the License, or (at your option) any later version.
   *
   * This software is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this software; if not, write to the Free
   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
   */
  package org.redhat.vmtruckloader.vmware.action;
  
  import java.rmi.RemoteException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.vmware.vim25.DuplicateName;
  import com.vmware.vim25.FileFault;
  import com.vmware.vim25.InsufficientResourcesFault;
  import com.vmware.vim25.InvalidDatastore;
  import com.vmware.vim25.InvalidName;
  import com.vmware.vim25.OutOfBounds;
  import com.vmware.vim25.RuntimeFault;
  import com.vmware.vim25.TaskInfo;
  import com.vmware.vim25.VmConfigFault;
  import com.vmware.vim25.mo.Task;
  
  /**
   * @author Romain Pelisse - <romain@redhat.com>
   *
   * @param <T> - type returned by the callback method
   */
  public abstract class AbstractVMWareActionCallback<T> implements VMWareActionCallback<T> {
  	
  	private static final Logger LOGGER = LoggerFactory.getLogger(AbstractVMWareActionCallback.class);
  
  	protected void runTask(String errorMssg) {
  		Task task;
  		try {
  			task = runTask();
  			String status = task.waitForTask();
  			if ( status != Task.SUCCESS ) {
  				TaskInfo info = task.getTaskInfo();
  				LOGGER.warn(info.getError().localizedMessage);
  				throw new IllegalStateException(errorMssg);
  			}
  		} catch (InvalidName e) {
  			throw new IllegalArgumentException(e);
  		} catch (VmConfigFault e)  {
  			throw new IllegalArgumentException(e);
  		} catch (DuplicateName e) {
  			throw new IllegalArgumentException(e);
  		} catch (FileFault e) {
  			throw new IllegalStateException(e);
  		} catch (OutOfBounds e) {
  			throw new IllegalStateException(e);
  		} catch (InsufficientResourcesFault e) {
  			throw new IllegalStateException(e);
  		} catch (InvalidDatastore e) {
  			throw new IllegalArgumentException(e);
  		} catch (RuntimeFault e) {
  			throw new IllegalStateException(e);
  		} catch (RemoteException e) {
  			throw new IllegalStateException(e);
  		} catch (InterruptedException e) {
  			LOGGER.warn("Wait for task timed out - task may not have finished successfully:" + e.getLocalizedMessage());
  		} catch (Exception e ) {
  			LOGGER.warn("Unknown Exception:" + e.getMessage());
  			throw new IllegalStateException(e);
  		}
  	}
  
  	protected Task runTask() throws InvalidName, VmConfigFault, DuplicateName, FileFault, OutOfBounds, InsufficientResourcesFault, InvalidDatastore, RuntimeFault, RemoteException {
  		throw new UnsupportedOperationException("Callback " + this.getClass() + " has invoked runTaks but not override it!");
  	}
  
  }