001 /** 002 * Implements the CFML Function listprepend 003 */ 004 package railo.runtime.functions.list; 005 006 import railo.commons.lang.StringUtil; 007 import railo.runtime.PageContext; 008 import railo.runtime.ext.function.Function; 009 010 public final class ListPrepend implements Function { 011 012 private static final long serialVersionUID = -4252541560957800011L; 013 014 public static String call(PageContext pc , String list, String value) { 015 if(list.length()==0) return value; 016 return new StringBuffer(value).append(',').append(list).toString(); 017 } 018 public static String call(PageContext pc , String list, String value, String delimiter) { 019 if(list.length()==0) return value; 020 if(StringUtil.isEmpty(delimiter)) { 021 return call(pc,list,value); 022 } 023 return new StringBuffer(value).append(delimiter.charAt(0)).append(list).toString(); 024 } 025 }