ca.uhn.hl7v2.model.Field 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 "Field.java". Description:
* Auxilliary model class encapsulating field repetitions and substructures
*
* The Initial Developer of the Original Code is University Health Network. Copyright (C)
* 2001-2013. 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.model;
import ca.uhn.hl7v2.HL7Exception;
import ca.uhn.hl7v2.Location;
/**
* Field is a auxiliary model class only created while visiting parts of the
* message.
*/
public class Field implements Visitable {
private Type[] reps;
private int maxCardinality;
public Field(Type[] reps, int maxCardinality) {
super();
this.reps = reps;
this.maxCardinality = maxCardinality;
}
public boolean accept(MessageVisitor visitor, Location currentLocation) throws HL7Exception {
if (visitor.start(this, currentLocation)) {
for (int i=0; i < reps.length; i++) {
Type t = reps[i];
if (!t.accept(visitor, currentLocation))
break;
}
}
return visitor.end(this, currentLocation);
}
public Location provideLocation(Location parentLocation, int index, int repetition) {
return new Location(parentLocation).withField(index);
}
public boolean isEmpty() throws HL7Exception {
return reps.length == 0;
}
}