Arguments

Arguments

String myStr = stringUtil.toAlternate('THis is a test');
system.debug(myStr);

String typeName;

typeName = stringUtil.returnTypeName(date.today());
System.Debug(typeName);

typeName = stringUtil.returnTypeName('I do words');
System.Debug(typeName);

typeName = stringUtil.returnTypeName(10);
System.Debug(typeName);

typeName = stringUtil.returnTypeName(datetime.now());
System.Debug(typeName);

typeName = stringUtil.returnTypeName(10.5);
System.Debug(typeName);

stringUtil.apxc

public class stringUtil {
    
    public static String toAlternate(string inStr){
        String altStr='';
        for (integer i = 0; i<inStr.length(); i++){
            Integer curChar = inStr.charAt(i); // Let's get the current character
            if(math.mod(i, 2)==0){ //If true then this is an even location
                //System.Debug('Location: '+string.valueof(i)+', mod: '+string.valueof(math.mod(i, 2))+', char: '+string.valueof(curChar));
                altStr+= stringUtil.convertChar(curChar, math.mod(i, 2)); // Always return lowercase
            }
            Else {
                //System.Debug('Location: '+string.valueof(i)+', mod: '+string.valueof(math.mod(i, 2))+', char: '+string.valueof(curChar));
                altStr+= stringUtil.convertChar(curChar, math.mod(i, 2)); // Always return uppercase
            }
        }
        return(altStr);
    }
    
    public static String convertChar(Integer inChr, integer conType){
        // conType = 0 : return Lowercase
        // conType = 1 : return Uppercase
        // conType = any other value, return unchanged
        //System.debug('Inside convertChar, received inChr: '+string.valueOf(inChr)+' and conType: '+string.valueOf(conType));
        List<integer> outChr = new List<Integer>();
        
        // First let's handle conType that is different than 0 or 1, or is different than alpha char
        if (conType <> 0 && conType <> 1){
            //System.Debug('Provided a converstion type different than 0 or 1');
            outChr.add(inChr);
        }
        
        if (65 <= inChr && inChr<=90){ // then this char is uppercase
            //System.Debug('Char is uppercase');
            if (conType == 1){
                outChr.add(inChr);
                //System.Debug('Old Char: '+string.valueOf(inChr)+', New Char: '+string.valueOf(outChr[0]));
            } ELSE {
                outChr.add(inChr + 32);
                //System.Debug('Old Char: '+string.valueOf(inChr)+', New Char: '+string.valueOf(outChr[0]));
            }
        } ELSE IF (97 <= inChr && inChr <= 122){ // then this char is lowercase
            //System.debug('Char is lowercase');
            if (conType == 1){
                outChr.add(inChr - 32);
                //System.Debug('Old Char: '+string.valueOf(inChr)+', New Char: '+string.valueOf(outChr[0]));
            } ELSE {
                outChr.add(inChr);
                //System.Debug('Old Char: '+string.valueOf(inChr)+', New Char: '+string.valueOf(outChr[0]));
            }
        } ELSE {outChr.add(inChr);}
        //System.debug('outChr = '+string.Valueof(outChr));
        return String.fromCharArray(outChr);        
    }
    
    public static String returnTypeName(String myStr){
        Return '"'+myStr+'" was a string';
    }
    
    public static String returnTypeName(Integer myInt){
        Return '"'+String.valueof(myInt)+'" was an Integer';
    }
    
    public static String returnTypeName(id myID){
        Return '"'+String.valueof(myID)+'" was an ID';
    }
    
    public static String returnTypeName(date myDT){
        Return '"'+String.valueOf(myDT)+'" was a date';
    }
    
    public static String returnTypeName(datetime myDtTm){
        Return '"'+String.valueOf(myDtTm)+'" was a datetime';
    }
    
     public static String returnTypeName(decimal myDec){
        Return '"'+String.valueOf(myDec)+'" was a decimal';
    }
    
}