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 "MessageRuleBinding.java". Description: 010 "A RuleBinding that applies to MessageRules." 011 012 The Initial Developer of the Original Code is University Health Network. Copyright (C) 013 2004. 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 package ca.uhn.hl7v2.validation.impl; 027 028 import java.util.StringTokenizer; 029 030 import ca.uhn.hl7v2.validation.MessageRule; 031 032 /** 033 * A <code>RuleBinding</code> that applies to <code>MessageRule</code>s. 034 * 035 * @author <a href="mailto:bryan.tripp@uhn.on.ca">Bryan Tripp</a> 036 * @version $Revision: 1.1 $ updated on $Date: 2007/02/19 02:24:40 $ by $Author: jamesagnew $ 037 */ 038 public class MessageRuleBinding extends RuleBinding { 039 040 private String myMessageType; 041 private String myTriggerEvent; 042 private static final String delim = "^"; 043 044 /** 045 * @param theVersion see {@link RuleBinding#getVersion()} 046 * @param theMessageType a value valid for MSH-9-1 or * for all 047 * @param theTriggerEvent a value valid for MSH-9-2 or * for all 048 * @param theRule 049 */ 050 public MessageRuleBinding(String theVersion, String theMessageType, String theTriggerEvent, MessageRule theRule) { 051 super(theVersion, theMessageType + "^" + theTriggerEvent, theRule); 052 myMessageType = theMessageType; 053 myTriggerEvent = theTriggerEvent; 054 } 055 056 /** 057 * @param theScope must be in the form type^event (ie message type and trigger event separated 058 * by a carat) 059 */ 060 public boolean appliesToScope(String theScope) { 061 boolean applies = false; 062 063 if (!theScope.matches(".*\\^.*")) { 064 throw new IllegalArgumentException("arg theScope must be of the form type^event"); 065 } 066 067 StringTokenizer tok = new StringTokenizer(theScope, delim, false); 068 String itemType = tok.nextToken(); 069 String itemEvent = tok.nextToken(); 070 071 if (applies(myMessageType, itemType) && applies(myTriggerEvent, itemEvent)) { 072 applies = true; 073 } 074 075 return applies; 076 } 077 078 }