ca.uhn.hl7v2.util.ReflectionUtil Maven / Gradle / Ivy
/**
* 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 instantiateStructure(Class theType, Group parent,
ModelClassFactory theModelClassFactory) throws HL7Exception {
try {
Constructor 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 instantiateMessage(Class theType,
ModelClassFactory theModelClassFactory) throws HL7Exception {
try {
Constructor 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 instantiate(Class theType) throws HL7Exception {
try {
return theType.newInstance();
} catch (Exception e) {
throw new HL7Exception("Failed to instantiate type " + theType.getCanonicalName()
+ ": ", e);
}
}
}