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 "SizeRule.java".  Description: 
010    "Checks that Primitive values conform to a certain size limit" 
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 ca.uhn.hl7v2.validation.PrimitiveTypeRule;
029    
030    /**
031     * Checks that Primitive values conform to a certain size limit.  
032     *  
033     * @author <a href="mailto:bryan.tripp@uhn.on.ca">Bryan Tripp</a>
034     * @version $Revision: 1.1 $ updated on $Date: 2007/02/19 02:24:40 $ by $Author: jamesagnew $
035     */
036    public class SizeRule implements PrimitiveTypeRule {
037    
038        private int myMaxChars;
039        
040        /**
041         * @param theMaxChars the maximum number of characters this rule allows in a 
042         *      primitive value
043         */
044        public SizeRule(int theMaxChars) {
045            myMaxChars = theMaxChars;
046        }
047    
048        /** 
049         * Does nothing.  If what you wanted was to trim the value to the max size, you should
050         * make a separate rule for that.  
051         * 
052         * @see ca.uhn.hl7v2.validation.PrimitiveTypeRule#correct(java.lang.String)
053         */
054        public String correct(String value) {
055            return value;
056        }
057    
058        /** 
059         * @see ca.uhn.hl7v2.validation.PrimitiveTypeRule#test(java.lang.String)
060         */
061        public boolean test(String value) {
062            boolean ok = true;
063            if (value != null && value.length() > myMaxChars) {
064                ok = false;
065            }
066            return ok;
067        }
068    
069        /** 
070         * @see ca.uhn.hl7v2.validation.Rule#getDescription()
071         */
072        public String getDescription() {
073            return "Maxumim size <= " + myMaxChars + " characters";
074        }
075    
076        /** 
077         * @see ca.uhn.hl7v2.validation.Rule#getSectionReference()
078         */
079        public String getSectionReference() {
080            return null;
081        }
082    
083    }