/**

  * The contents of this file are subject to the Mozilla Public License Version 1.1

  * (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.mozilla.org/MPL/

  * Software distributed under the License is distributed on an "AS IS" basis,

  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the

  * specific language governing rights and limitations under the License.

  *

  * The Original Code is "ReflectionUtil.java".  Description:

  * "Utility class for reflection"

  *

  * The Initial Developer of the Original Code is University Health Network. Copyright (C)

  * 2001.  All Rights Reserved.

  *

  * Contributor(s): 

  *

  * Alternatively, the contents of this file may be used under the terms of the

  * GNU General Public License (the  �GPL�), in which case the provisions of the GPL are

  * applicable instead of those above.  If you wish to allow use of your version of this

  * file only under the terms of the GPL and not to allow others to use your version

  * of this file under the MPL, indicate your decision by deleting  the provisions above

  * and replace  them with the notice and other provisions required by the GPL License.

  * If you do not delete the provisions above, a recipient may use your version of

  * this file under either the MPL or the GPL.

  *

  */

 package ca.uhn.hl7v2.util;

 import java.lang.reflect.Constructor;

 import ca.uhn.hl7v2.HL7Exception;

 import ca.uhn.hl7v2.model.Group;

 import ca.uhn.hl7v2.model.Message;

 import ca.uhn.hl7v2.model.Structure;

 import ca.uhn.hl7v2.parser.ModelClassFactory;

 public class ReflectionUtil {

     /** Non instantiable */

     private ReflectionUtil() {

         // nothing

     }

     public static <T extends Structure> T instantiateStructure(Class<T> theType, Group parent,

             ModelClassFactory theModelClassFactory) throws HL7Exception {

         try {

             Constructor<T> constructor = theType.getConstructor(new Class<?>[] { Group.class,

                     ModelClassFactory.class });

             T message = constructor.newInstance(parent, theModelClassFactory);

             return message;

         } catch (Exception e) {

             throw new HL7Exception("Failed to instantiate type " + theType.getCanonicalName()

                     + ": ", e);

         }

     }

     public static <T extends Message> T instantiateMessage(Class<T> theType,

             ModelClassFactory theModelClassFactory) throws HL7Exception {

         try {

             Constructor<T> constructor = theType

                     .getConstructor(new Class<?>[] { ModelClassFactory.class });

             T message = constructor.newInstance(theModelClassFactory);

             return message;

         } catch (Exception e) {

             throw new HL7Exception("Failed to instantiate type " + theType.getCanonicalName()

                     + ": ", e);

         }

     }

     public static <T> T instantiate(Class<T> theType) throws HL7Exception {

         try {

             return theType.newInstance();

         } catch (Exception e) {

             throw new HL7Exception("Failed to instantiate type " + theType.getCanonicalName()

                     + ": ", e);

         }

     }

 }