001    /**
002     * Implements the CFML Function arraytolist
003     */
004    package railo.runtime.functions.list;
005    
006    import railo.runtime.PageContext;
007    import railo.runtime.exp.PageException;
008    import railo.runtime.functions.BIF;
009    import railo.runtime.op.Caster;
010    import railo.runtime.type.Array;
011    
012    public final class ArrayToList extends BIF {
013    
014            private static final long serialVersionUID = -4909685848106371747L;
015    
016            public static String call(PageContext pc , Array array) throws PageException {
017                    return call(pc,array,',');
018            }
019            public static String call(PageContext pc , Array array, String delimiter) throws PageException {
020                    if(delimiter.length()==1) return call(pc,array,delimiter.charAt(0));
021                    int len=array.size();
022                    if(len==0) return "";
023                    if(len==1)return Caster.toString(array.get(1,""));
024                    
025                    Object o=array.get(1,null);
026                    StringBuffer sb=new StringBuffer(o==null?"":Caster.toString(o));
027                    for(int i=2;i<=len;i++) {
028                            sb.append(delimiter);
029                            o=array.get(i,null);
030                            sb.append(o==null?"":Caster.toString(o));
031                    }
032                    return sb.toString();
033            }
034            public static String call(PageContext pc , Array array, char delimiter) throws PageException {
035                    int len=array.size();
036                    if(len==0) return "";
037                    if(len==1)return Caster.toString(array.getE(1));
038                    
039                    Object o=array.get(1,null);
040                    StringBuffer sb=new StringBuffer(o==null?"":Caster.toString(o));
041                    for(int i=2;i<=len;i++) {
042                            sb.append(delimiter);
043                            o=array.get(i,null);
044                            sb.append(o==null?"":Caster.toString(o));
045                    }
046                    return sb.toString();
047            }
048            
049            @Override
050            public Object invoke(PageContext pc, Object[] args) throws PageException {
051                    if(args.length==1) return call(pc,Caster.toArray(args[0]));
052                    return call(pc,Caster.toArray(args[0]),Caster.toString(args[1]));
053            }
054    }