Removing Leading And trailing Zeros

Hi Guys ,
Can You help me out in UDF for removing leading and Trailing zeros
Ex : 0123.234000000
And it must satisfy below conditions .
1 ) If value as Null we need 0.0 in target
2) if the value is 0.0 we need 0.0 in target
Thanks in Advance

One more option:
Input will be "str" of type string.
Execution type: single value.
mapping:
Input -> mapwithdefault(0.0)->UDF->output
if( !str.equals("0.0"))
char[] chars = str.toCharArray();
for (int index=0; index < str.length();index++)
if (chars[index] != '0')
str =str.substring(index);
break;
int length,index1 ;
char[] chars1 = str.toCharArray();
length = str.length();
index1 = length -1;
for (int in1=index1-1; in1>0;in1--)
if (chars1[in1] != '0')
str=str.substring(0,in1+1);
break;
return str;
else
return "0.0";
http://wiki.sdn.sap.com/wiki/display/Java/RemoveLeadingandTrailingZerosfroma+String

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Removing Leading And trailing Zeros

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