001/*
002 The contents of this file are subject to the Mozilla Public License Version 1.1
003 (the "License"); you may not use this file except in compliance with the License.
004 You may obtain a copy of the License at http://www.mozilla.org/MPL/
005 Software distributed under the License is distributed on an "AS IS" basis,
006 WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
007 specific language governing rights and limitations under the License.
008
009 The Original Code is "MessageVisitorSupport.java ".  Description:
010 "Base MessageVisitor implementation that just logs each call"
011
012 The Initial Developer of the Original Code is University Health Network. Copyright (C)
013 2013.  All Rights Reserved.
014
015 Contributor(s): ______________________________________.
016
017 Alternatively, the contents of this file may be used under the terms of the
018 GNU General Public License (the "GPL"), in which case the provisions of the GPL are
019 applicable instead of those above.  If you wish to allow use of your version of this
020 file only under the terms of the GPL and not to allow others to use your version
021 of this file under the MPL, indicate your decision by deleting  the provisions above
022 and replace  them with the notice and other provisions required by the GPL License.
023 If you do not delete the provisions above, a recipient may use your version of
024 this file under either the MPL or the GPL.
025 */
026
027package ca.uhn.hl7v2.model;
028
029import ca.uhn.hl7v2.HL7Exception;
030import ca.uhn.hl7v2.Location;
031
032import org.slf4j.Logger;
033import org.slf4j.LoggerFactory;
034
035/**
036 * Base MessageVisitor implementation that just logs each call with TRACE level
037 */
038public class MessageVisitorSupport implements MessageVisitor {
039
040    protected static final Logger LOG = LoggerFactory.getLogger(MessageVisitorSupport.class);
041
042    public boolean start(Message message) throws HL7Exception {
043        LOG.trace("Enter message {}", message);
044        return true;
045    }
046
047    public boolean end(Message message) throws HL7Exception {
048        LOG.trace("Leave message {}", message);
049        return true;
050    }
051    
052    public boolean start(Group group, Location location) throws HL7Exception {
053        LOG.trace("Enter group {} {}", group, location);
054        return true;
055    }
056
057    public boolean end(Group group, Location location) throws HL7Exception {
058        LOG.trace("Leave group {} {}", group, location);
059        return true;
060    }
061
062    public boolean start(Segment segment, Location location) throws HL7Exception {
063        LOG.trace("Enter segment {} {}", segment, location);
064        return true;
065    }
066
067    public boolean end(Segment segment, Location location) throws HL7Exception {
068        LOG.trace("Leave segment {} {}", segment, location);
069        return true;
070    }
071
072    public boolean start(Field field, Location location) throws HL7Exception {
073        LOG.trace("Enter field {} {}", field, location);
074        return true;
075    }
076
077    public boolean end(Field field, Location location) throws HL7Exception {
078        LOG.trace("Leave field {} {}", field, location);
079        return true;
080    }
081    
082    public boolean start(Composite type, Location location) throws HL7Exception {
083        LOG.trace("Enter composite {} {}", type, location);
084        return true;
085    }
086
087    public boolean end(Composite type, Location location) throws HL7Exception {
088        LOG.trace("Leave composite {} {}", type, location);
089        return true;
090    }
091
092    public boolean visit(Primitive type, Location location) throws HL7Exception {
093        LOG.trace("Visit primitive {} {}", type, location);
094        return true;
095    }
096}