/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* 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, see <http://www.gnu.org/licenses/>.
*
**/
/**
* Implements the CFML Function rjustify
*/
package lucee.runtime.functions.string;
import lucee.runtime.PageContext;
import lucee.runtime.exp.ExpressionException;
import lucee.runtime.exp.FunctionException;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.BIF;
import lucee.runtime.op.Caster;
public final class RJustify extends BIF {
private static final long serialVersionUID = -4245695462372641408L;
public static String call(PageContext pc , String str, double length) throws ExpressionException {
int len=(int) length;
if(len<1) throw new ExpressionException("Parameter 2 of function rJustify which is now ["+len+"] must be a positive integer");
else if((len-=str.length())<=0) return str;
else {
StringBuilder sb=new StringBuilder(str.length()+len);
for(int i=1;i<=len;i++) {
sb.append(' ');
//str=" "+str;
}
return sb.append(str).toString();
}
}
@Override
public Object invoke(PageContext pc, Object[] args) throws PageException {
if(args.length==2)
return call(pc, Caster.toString(args[0]), Caster.toDoubleValue(args[1]));
throw new FunctionException(pc, "RJustify", 2, 2, args.length);
}
}