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 "DataTypeUtil.java". Description: 010 * "This class is used to provide utility functions for other datatype classes and methods." 011 * 012 * The Initial Developer of the Original Code is University Health Network. Copyright (C) 013 * 2001. 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 */ 027 028package ca.uhn.hl7v2.model; 029 030import java.util.*; 031 032/** 033 * This class is used to provide utility functions for other datatype classes and methods. 034 */ 035 036public class DataTypeUtil { 037 038 public DataTypeUtil() { 039 } 040 041 042 /** 043 * Preappend the zeros to the beginning of num such that the total length 044 * equals totalDigitLength and return the string representation of the new number 045 * 046 * @param num number 047 * @param totalDigitLength number of digits 048 * @return string representation of the new number 049 */ 050 public static String preAppendZeroes(int num, int totalDigitLength) { 051 return (totalDigitLength == 0) ? 052 Integer.toString(num) : 053 String.format(String.format("%%0%dd", totalDigitLength), num); 054 } 055 056 057 /** 058 * Return a signed four digit integer indicating the local 059 * GMT offset. This is the HL7 Offset format in integer representation. 060 * 061 * @return a signed four digit integer indicating the local GMT offset 062 */ 063 public static int getLocalGMTOffset() { 064 GregorianCalendar currentTime = new GregorianCalendar(); 065 int gmtOffSet = currentTime.get(GregorianCalendar.ZONE_OFFSET); 066 int offSetSignInt = gmtOffSet < 0 ? -1 : 1; 067 //get the absolute value of the gmtOffSet 068 int absGmtOffSet = Math.abs(gmtOffSet); 069 int gmtOffSetHours = absGmtOffSet / (3600 * 1000); 070 int gmtOffSetMin = (absGmtOffSet / 60000) % (60); 071 // return the offset value HL7 format 072 return ((gmtOffSetHours * 100) + gmtOffSetMin) * offSetSignInt; 073 } 074 075 076} 077