ca.uhn.hl7v2.model.DataTypeUtil 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 "DataTypeUtil.java". Description:
* "This class is used to provide utility functions for other datatype classes and methods."
*
* The Initial Developer of the Original Code is University Health Network. Copyright (C)
* 2001. 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 java.util.*;
/**
* This class is used to provide utility functions for other datatype classes and methods.
*/
public class DataTypeUtil {
public DataTypeUtil() {
}//end zero arg constructor
/**
* This method will preappend the zeros to the beginning of num such that the total length
* equals totalDigitLength. It will also return the string representation of the new number.
*/
public static String preAppendZeroes(int num, int totalDigitLength){
/* preappend the zeros to the beginning of num such that the total length
equals totalDigitLength. Return the string representation of the new number*/
String a = String.valueOf(num);
if (a.length() >= totalDigitLength)
return a;
else {
int preAppendAmnt = totalDigitLength - a.length();
for (int j=0; j < preAppendAmnt; j++){
a = "0"+a;
}//end for
return a;
}//end else
}//end method
/**
* This method will return a signed four digit integer indicating the local
* GMT offset. This is the HL7 Offset format in integer representation.
*/
public static int getLocalGMTOffset(){
int offSet;
GregorianCalendar currentTime = new GregorianCalendar();
int gmtOffSet = currentTime.get(GregorianCalendar.ZONE_OFFSET);
int offSetSignInt;
if (gmtOffSet < 0 ){
offSetSignInt = -1;
}
else{
offSetSignInt = 1;
}
//get the absolute value of the gmtOffSet
int absGmtOffSet = Math.abs(gmtOffSet);
int gmtOffSetHours = absGmtOffSet/(3600*1000);
int gmtOffSetMin = (absGmtOffSet / 60000) % (60);
//return the offset value HL7 format
offSet = ((gmtOffSetHours*100)+gmtOffSetMin) * offSetSignInt;
return offSet;
}//end method
}//end class