/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.translator.google.api.metadata;
/**
*
*
*/
public class Util {
/**
* Converts spreadsheet column name to position number.
*
* @param id Name of the column
* @return Position of the column
*/
public static int convertColumnIDtoInt(String id) {
String normID=id.toUpperCase().trim();
int result=0;
for(int counter=0, i=normID.length()-1;i>=0;i--,counter++){
int partial= normID.charAt(i)-64;
result=(int)(result+(partial*Math.pow(26,counter)));
}
return result;
}
/**
* Converts spreadsheet column position to String.
*
* @param id Position of the column
* @return Name of the column
*/
public static String convertColumnIDtoString(int id) {
StringBuilder result=new StringBuilder();
int mod;
while(id>0){
mod=(id%26);
if(mod==0){
mod=26;
id=id-1;
}
result.append((char)(mod+64));
id/=26;
}
return result.reverse().toString();
}
}